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Release Notes - Accumulo - Version 1.6.1


** Sub-task
    * [ACCUMULO-2746] - VolumeIT.testDirtyReplaceVolume failed on AccumuloSecurityException
    * [ACCUMULO-2760] - HalfDeadTServerIT.testTimeout failed
    * [ACCUMULO-2773] - Regenerate thrift classes for 0.9.1
    * [ACCUMULO-2798] - MonitorLoggingIT should retry waiting for log fowarding
    * [ACCUMULO-2807] - Local WAL Recovery breaks Hadoop 1 Compilation
    * [ACCUMULO-2814] - LocalWALRecoveryTest.testRecoverLocalWriteAheadLogs:73 Wrong number of WAL files recovered. expected:<1> but was:<0>
    * [ACCUMULO-2816] - LocalWALRecoveryTest throws IndexOutOfBoundsException
    * [ACCUMULO-2821] - Document USERFLAGS / build_native_library.sh args
    * [ACCUMULO-2838] - Use resolved props in DefaultConfiguration.get()
    * [ACCUMULO-2839] - AuditedSecurityOperation canScan is very slow even when not logging
    * [ACCUMULO-2840] - Auditing is not disabled by default in MAC
    * [ACCUMULO-2934] - Use Jetty 8 for 1.6.x
    * [ACCUMULO-2942] - org.apache.accumulo.core.util.format.ShardedTableDistributionFormatterTest.testAggregate failure
    * [ACCUMULO-2950] - Fix handling of server-side exceptions
    * [ACCUMULO-2957] - New WALog file for 1.4.x fails RAT check on OS X
    * [ACCUMULO-3012] - Simplify DefaultConfiguration
    * [ACCUMULO-3019] - Fix ServerConfiguration deprecation
    * [ACCUMULO-3058] - Javadoc comment added to balancer describes non-existent methods
    * [ACCUMULO-3081] - ServerConfigurationFactoryTest is full of commented out and unused code


** Bug
    * [ACCUMULO-1628] - NPE on deep copied dumped memory iterator
    * [ACCUMULO-2410] - TServerUtils no longer needs to catch NPE as a thrift bug workaround
    * [ACCUMULO-2455] - overnight integration tests sometimes fails
    * [ACCUMULO-2549] - ShellTest sometimes fails because of order of authentication strings returned
    * [ACCUMULO-2645] - tablet stuck unloading, and problem is hard to diagnose
    * [ACCUMULO-2658] - Thrift Proxy crashes with OOM on bad input
    * [ACCUMULO-2694] - Offline tables block balancing for online tables
    * [ACCUMULO-2704] - GetMasterStats does not print all elements
    * [ACCUMULO-2719] - Shell fails to find instance_id when using viewfs
    * [ACCUMULO-2722] - Classes outside of shell shouldn't be using commons-cli
    * [ACCUMULO-2747] - Scan "show few" long option contains a space
    * [ACCUMULO-2758] - LocalityGroupUtil.encodeColumnFamily() ignores offset parameter
    * [ACCUMULO-2761] - bootstrap_hdfs.sh inconsistent with accumulo-site.xml
    * [ACCUMULO-2764] - Stopping MAC before it's processes have fully started causes an indefinite hang
    * [ACCUMULO-2765] - FrameworkTest not informative when failing during a build
    * [ACCUMULO-2766] - Single walog operation may wait for multiple hsync calls
    * [ACCUMULO-2767] - Documentation of valid Visibility Labels is wrong
    * [ACCUMULO-2768] - Agitator not restarting all datanodes
    * [ACCUMULO-2774] - Update pom to ensure enough memory for tests
    * [ACCUMULO-2785] - ShellServlet vulnerable to CSRF
    * [ACCUMULO-2786] - Jetty / servlet JARs not packaged for monitor
    * [ACCUMULO-2787] - Accumulo too strict about max files
    * [ACCUMULO-2790] - generate_monitor_certificate.sh fails on OSX
    * [ACCUMULO-2791] - Behavior and binary compatibility mismatch of Commons Codec version provided by Hadoop
    * [ACCUMULO-2796] - user manual doesn't mention ordering of iterator application
    * [ACCUMULO-2811] - UniqueFileReplicator logs many warnings about a directory that exists
    * [ACCUMULO-2813] - Missing log4j configuration files for tests after module refactor
    * [ACCUMULO-2818] - generate_monitor_certificate creates bad keystore
    * [ACCUMULO-2824] - TableOperationsImpl#getDiskUsage() should check pair against null in catch clause
    * [ACCUMULO-2831] - HDFS Configuration classloader not correct when using VFSClassLoader
    * [ACCUMULO-2836] - Context classloader not used in all applicable cases
    * [ACCUMULO-2852] - master-agitator.pl calls Cwd::cwd() but doesn't import the Cwd module
    * [ACCUMULO-2854] - Bad null check in BulkImport.createNewBulkDir()
    * [ACCUMULO-2857] - MockTableOperations.tableIdMap always returns tableName as ID
    * [ACCUMULO-2864] - Multiple calls to ZooSession.shutdown result in NPE
    * [ACCUMULO-2869] - Wrong method called on WriteParameters in Tablet#createTableConfiguration()
    * [ACCUMULO-2870] - Potential null pointer dereference in Tablet#longestCommonLength()
    * [ACCUMULO-2874] - user documentation errors
    * [ACCUMULO-2888] - BatchWriterOpts doesn't configure the number of threads
    * [ACCUMULO-2890] - Remove AccumuloNotInitializedException
    * [ACCUMULO-2891] - bin/config.sh logs error when $ACCUMULO_CONF_DIR/masters is missing
    * [ACCUMULO-2896] - PATH_PROPERTY_ENV_VARS constant is a mutable array.
    * [ACCUMULO-2899] - WAL handling fails to deal with 1.4 -> 1.5 -> 1.6
    * [ACCUMULO-2906] - configuredZookeeperPort is not cased the same way as other mentions of ZooKeeper
    * [ACCUMULO-2908] - UndefinedAnalyzer does not use batch scanner opts
    * [ACCUMULO-2919] - metrics documentation and example configs refer to the logger
    * [ACCUMULO-2926] - Multiple slf4j bindings warning
    * [ACCUMULO-2928] - Missing toString, hashCode and equals methods on BatchWriterConfig
    * [ACCUMULO-2930] - AccumuloClassLoader still referenced directly
    * [ACCUMULO-2935] - Tests consistently hanging after Thrift 0.9.1
    * [ACCUMULO-2940] - ZooLockTest doesn't wait for connection
    * [ACCUMULO-2948] - Possible race condition in ZooLockTest
    * [ACCUMULO-2956] - bootstrap_config.sh relies on GNU getopt for long opts, which doesn't work in OS X
    * [ACCUMULO-2962] - RangeInputSplit Writable methods don't serialize IteratorSettings
    * [ACCUMULO-2967] - Unknown Host results in unending wait for clients
    * [ACCUMULO-2974] - Unable to assign single tablet table migrated to 1.6.0
    * [ACCUMULO-2985] - MAC doesn't stop cleanly in 1.6.1-SNAPSHOT
    * [ACCUMULO-2991] - Incorrect character in zookeeper-loss administration section
    * [ACCUMULO-3003] - accumulo tablet fails to load if the directory name ends with "rf"
    * [ACCUMULO-3006] - Don't allow viewfs in instance.volumes
    * [ACCUMULO-3007] - instance.volumes.replacements does not work after 1.6 upgrade
    * [ACCUMULO-3008] - Update example READMEs for changed argument names
    * [ACCUMULO-3010] - minor compaction after recovery should not merge
    * [ACCUMULO-3011] - files moved after bulk import failure
    * [ACCUMULO-3014] - VolumeChooser returns entries in the default file system
    * [ACCUMULO-3017] - RangeInputSplit getTable method changed from 1.5 to 1.6 without deprecation
    * [ACCUMULO-3024] - VFS classloader can randomly fail
    * [ACCUMULO-3025] - NPE in VFS ContextManager
    * [ACCUMULO-3026] - VFS is not cleaning up its temp dirs
    * [ACCUMULO-3030] - scanners cannot be interrupted
    * [ACCUMULO-3038] - java.lang.RuntimeException: java.io.InvalidClassException: org.apache.accumulo.trace.thrift.TInfo; local class incompatible
    * [ACCUMULO-3039] - demote "File doesn't exist" warning in the garbage collector
    * [ACCUMULO-3043] - Only add sensitive, valid Accumulo Properties from CredentialProviders
    * [ACCUMULO-3046] - AccumuloReloadingVFSClassloader log message incorrect
    * [ACCUMULO-3047] - Invalid URI in delete marker in accumulo.metadata
    * [ACCUMULO-3055] - calling MiniAccumuloCluster.stop multiple times fails with NPE
    * [ACCUMULO-3061] - Can't release Accumulo using >=Git-1.8
    * [ACCUMULO-3062] - Use MiniAccumuloCluster.getConnector in MiniAccumuloClusterStartStopTest
    * [ACCUMULO-3069] - MiniAccumuloClusterImplTest.saneMonitorInfo fails intermittently 
    * [ACCUMULO-3070] - generic_logger.properties hard-codes log4j port
    * [ACCUMULO-3074] - MergeIT fails on timeout
    * [ACCUMULO-3075] - SSL IT timeouts
    * [ACCUMULO-3076] - SimpleBalancerFairnessIT times out
    * [ACCUMULO-3078] - Some SimpleMacITs aren't simple
    * [ACCUMULO-3084] - Delays between calls to logGC causes tserver to fail
    * [ACCUMULO-3093] - Shell scan command does not find formatter
    * [ACCUMULO-3096] - Scans stuck and seeing error message about constraint violation
    * [ACCUMULO-3098] - MonitorLoggingIT has an extremely long timeout
    * [ACCUMULO-3100] - Accumulo fails to test against recent Hadoop 2.6.0-SNAPSHOT
    * [ACCUMULO-3101] - ExamplesIT-testReadWriteAndDelete and testScansWithInterference fail due to timeout.
    * [ACCUMULO-3102] - SplitRecoveryIT-test fails due to insufficient timeout on multinode cluster.
    * [ACCUMULO-3104] - AccumuloInputFormatIT has no timeout
    * [ACCUMULO-3108] - CreateAndUseIT timings too tight
    * [ACCUMULO-3109] - MonitorLoggingIT sometimes fails
    * [ACCUMULO-3112] - MiniAccumuloClusterGCTest appears to leak processes
    * [ACCUMULO-3113] - ConditionalWriterIT failures
    * [ACCUMULO-3119] - Javadoc cleanup
    * [ACCUMULO-3136] - AllowScansToBeInterruptedIT might interrupt before the scan started
    * [ACCUMULO-3138] - AccumuloInputFormatIT doesn't adhere to SSL parameters
    * [ACCUMULO-3139] - BalanceAfterCommsFailureIT alters other tservers on the system
    * [ACCUMULO-3140] - Compaction did not run during RW test
    * [ACCUMULO-3143] - InputTableConfig missing isOfflineScan field in Serializer
    * [ACCUMULO-3144] - AuditMessageIT failed to find last audit message
    * [ACCUMULO-3145] - ShellServerIT#listscans can fail with ArrayIndexOutOfBoundsException
    * [ACCUMULO-3146] - Balance tests don't ensure all tablets are online
    * [ACCUMULO-3148] - TabletServer didn't get Session expired in HalfDeadTServerIT
    * [ACCUMULO-3150] - MiniAccumuloConfig doesn't set 0 for monitor log4j port
    * [ACCUMULO-3151] - scan monitoring shows red after 30 seconds
    * [ACCUMULO-3152] - GC check message is confusing
    * [ACCUMULO-3153] - GC pause checker warns too frequently
    * [ACCUMULO-3155] - BatchWalker appears to run less frequently than intended


** Improvement
    * [ACCUMULO-1919] - Size of visibility cache in AccumuloFileOutputFormat should be configurable
    * [ACCUMULO-2212] - ZooReaderWriter is a singleton class with a public constructor
    * [ACCUMULO-2253] - Scalability tests should output quartiles
    * [ACCUMULO-2343] - Create Appender specifically for log-forwarding
    * [ACCUMULO-2383] - Allow configuration of logging using properties file also
    * [ACCUMULO-2464] - Trace user password required in plaintext in accumulo-site.xml
    * [ACCUMULO-2501] - Add deepCopy to RowFilter
    * [ACCUMULO-2514] - Continuous Ingestion test should use Logger
    * [ACCUMULO-2560] - {{gc.threads.delete}} cannot be changed via zookeeper config
    * [ACCUMULO-2615] - Simplify server configuration caching and ZK watchers
    * [ACCUMULO-2623] - AbstractMetricsImpl's toString is excessively verbose
    * [ACCUMULO-2635] - Consolidate ZooCache creation and caching
    * [ACCUMULO-2646] - Generate example configuration from template in build
    * [ACCUMULO-2663] - Remove usage of String#split from Combiner#init
    * [ACCUMULO-2676] - Make minicluster ZooKeeper startup wait time configurable
    * [ACCUMULO-2762] - Use better compiler optimizations by default for native maps
    * [ACCUMULO-2770] - Support Local WAL Recovery in 1.6
    * [ACCUMULO-2789] - Add a system stress test based on key/cell/row size
    * [ACCUMULO-2803] - Agitator; Set Tablet Server and Datanode min/max kill values independently.
    * [ACCUMULO-2812] - Support more architectures when compiling native lib
    * [ACCUMULO-2825] - WholeRowIterator should be extendable
    * [ACCUMULO-2827] - HeapIterator optimization
    * [ACCUMULO-2832] - Improve DefaultFormatter for reuse and object creation
    * [ACCUMULO-2842] - Allow for use of hflush instead of hsync
    * [ACCUMULO-2849] - Add scan batch size configurability and write delay to memory stress test
    * [ACCUMULO-2850] - Enhance memory stress test scripts
    * [ACCUMULO-2887] - Refactor observability in configurations
    * [ACCUMULO-2905] - Seeing short hold times and no MinC's
    * [ACCUMULO-2927] - Make 'git clean -df' sufficient when switching between branches
    * [ACCUMULO-2947] - Support configurable changes per mutation for size-based stress test
    * [ACCUMULO-2988] - Support upgrades from 1.4 directly to 1.6
    * [ACCUMULO-2992] - Eliminate (use of) AccumuloConfiguration.getSiteConfiguration()
    * [ACCUMULO-2994] - IteratorUtil.parseIterConf loops over each iterator scope repeatedly
    * [ACCUMULO-3045] - Support AuthenticationToken backed by CredentialProvider
    * [ACCUMULO-3049] - Include user authentication in AuditedSecurityOperation
    * [ACCUMULO-3050] - Client IP is not included in audit message
    * [ACCUMULO-3052] - Allow configuration of SSL cipher suites
    * [ACCUMULO-3053] - Allow control over Monitor SSL ciphers used
    * [ACCUMULO-3059] - Password arguments not always respected by CertUtils
    * [ACCUMULO-3064] - Allow SSL to be used for all ITs
    * [ACCUMULO-3066] - Allow CredentialProviders to be used with ClientConfiguration
    * [ACCUMULO-3068] - Allow ITs to be run with CredentialProvider
    * [ACCUMULO-3087] - start-server.sh should check fqdn and shortname to determine if SSH Is needed
    * [ACCUMULO-3097] - Missing documentation on some system iterators
    * [ACCUMULO-3106] - "Check for long GC pauses" warning message needs improvement


** Task
    * [ACCUMULO-1691] - Update thrift to 0.9.1 / clean up TServerUtils
    * [ACCUMULO-2804] - Eliminate use of plexus-utils
    * [ACCUMULO-2805] - Exclude unused HTTP Components from thrift dependency
    * [ACCUMULO-3060] - Remove Experimental annotations from monitor SSL keystore/truststore
    * [ACCUMULO-3063] - Plugin execution errors in Eclipse Luna
    * [ACCUMULO-3072] - Split CreateAndUseIT "tests" into multiple methods
    * [ACCUMULO-3073] - DeleteTableduringSplitIT fails
    * [ACCUMULO-3080] - Remove debug logging from maven-invoker-plugin


** Test
    * [ACCUMULO-2649] - Extend test coverage for RangeInputSplit
    * [ACCUMULO-2754] - Skip generated code in PMD/CPD analysis
    * [ACCUMULO-2865] - Create unit test for ZooCache
    * [ACCUMULO-3128] - ZooKeeper spam in test logs
    * [ACCUMULO-3129] - SslWithClientAuthIT fails with credential provider active


Release Notes - Accumulo - Version 1.6.0

** Sub-task
    * [ACCUMULO-656] - move monitor code out of server
    * [ACCUMULO-1029] - Remove unnecessary svn:ignore items
    * [ACCUMULO-1132] - Use a concrete implementation of AuthenticationToken for !SYSTEM user
    * [ACCUMULO-1218] - document the recovery from a failed zookeeper
    * [ACCUMULO-1219] - document recovery when a file is missing
    * [ACCUMULO-1220] - document steps to recover when a WAL is corrupted or missing
    * [ACCUMULO-1270] - Require license checks on every build
    * [ACCUMULO-1367] - Instance name and ports in MiniAccumuloCluster should be configurable
    * [ACCUMULO-1368] - Create main() method on MiniAccumuloCluster for firing it up from the command line.
    * [ACCUMULO-1372] - Merge bigNumber() and humanReadableBytes() methods and put in a core utility class.
    * [ACCUMULO-1383] - Add javadoc for lexicoders
    * [ACCUMULO-1388] - Allow users to configure memory used by MiniAccumulo processes
    * [ACCUMULO-1390] - Document how to use single node Accumulo
    * [ACCUMULO-1409] - Make MiniAccumuloCluster support native maps
    * [ACCUMULO-1412] - Allow shell password to come from a variety of sources
    * [ACCUMULO-1431] - Clean-up/Simplify .gitignore
    * [ACCUMULO-1458] - Create a mapred example for token file
    * [ACCUMULO-1479] - Create per-user permissions for a given table namespace
    * [ACCUMULO-1482] - Put provided tables in their own (system) namespace
    * [ACCUMULO-1484] - Create node in per-table configuration hierarchy for table namespaces
    * [ACCUMULO-1486] - Handle removal of sync method
    * [ACCUMULO-1487] - Package javadocs for monitor better, or not at all
    * [ACCUMULO-1491] - Stop packaging html pages with the monitor
    * [ACCUMULO-1502] - Add Trace Table docs to user manual
    * [ACCUMULO-1516] - Clean up Constants
    * [ACCUMULO-1517] - Add config.html, created by mvn docs profile) to Accumulo website.
    * [ACCUMULO-1530] - Provide upgrade path to two system metadata tables
    * [ACCUMULO-1537] - convert auto tests to integration tests, where possible for continuous integration
    * [ACCUMULO-1564] - Fix typo in MiniAccumuloCluster-related code: JDWP, not JWDP.
    * [ACCUMULO-1579] - project iterators unavailable in accumulo-maven-plugin
    * [ACCUMULO-1580] - Clean existing mini directory if it already exists with the same name
    * [ACCUMULO-1598] - RFileTest encrypted file tests
    * [ACCUMULO-1601] - servers do not obey binding hint (--address)
    * [ACCUMULO-1608] - collect stats when processing conditional mutations
    * [ACCUMULO-1611] - Add conditional writer to proxy
    * [ACCUMULO-1613] - Document conditional writer
    * [ACCUMULO-1614] - Create random walk test that use conditional writer
    * [ACCUMULO-1620] - audit can spam the logs
    * [ACCUMULO-1627] - Add hashcode() and equals() to ConditionalMutation
    * [ACCUMULO-1654] - Bug in encryption-at-rest causes periodic IOExceptions
    * [ACCUMULO-1674] - Use Credentials to clean up internals of mapreduce configuration
    * [ACCUMULO-1688] - Ensure ZooLock.watchParent is properly set in case of Connection loss
    * [ACCUMULO-1712] - Remove special characters from path names of metadata tables
    * [ACCUMULO-1713] - defer deleting _tmp files to recovery-likely scenarios
    * [ACCUMULO-1715] - extract user permissions in dump command
    * [ACCUMULO-1729] - ThriftTransport pool does not include ssl options in cache key
    * [ACCUMULO-1741] - Clean up setters in the InputFormatBase API to take tables and properties all at once.
    * [ACCUMULO-1746] - Adjust Analytics documentation for new multi-table input format configuration
    * [ACCUMULO-1747] - ServerConstants.getBaseDirs() use fs default name, not instance.dfs.uri
    * [ACCUMULO-1751] - SimpleMacIT test for Multitable Input Format
    * [ACCUMULO-1761] - Get disk usage will not work across namenodes
    * [ACCUMULO-1762] - Offline map reduce will fail if tablet spans multiple namenodes
    * [ACCUMULO-1763] - RFile printinfo command does not handle multiple namenodes
    * [ACCUMULO-1764] - Monitor collects disk usage from single namenode
    * [ACCUMULO-1765] - Bulk import does sanity checks on client side using a single filesystem
    * [ACCUMULO-1766] - Changing Accumulo config can prevent locating root table files.
    * [ACCUMULO-1767] - Analyze all usages of instance.dfs.uri and instance.volumes
    * [ACCUMULO-1768] - Add synchronous on/offline to proxy
    * [ACCUMULO-1771] - Instance id and version info only stored on one hdfs instance
    * [ACCUMULO-1772] - Need utility to decommission dfs uris
    * [ACCUMULO-1773] - Garbage collector may delete referenced files after upgrade
    * [ACCUMULO-1794] - Add tests that flex Hadoop 2 features
    * [ACCUMULO-1806] - continuous ingest scripts need to be smarter
    * [ACCUMULO-1808] - Create compaction strategy that has  size limit
    * [ACCUMULO-1825] - MiniAccumuloClusterGCTest fails with hadoop2 after other modules
    * [ACCUMULO-1831] - Write ahead logs from upgrade prematurely GCed
    * [ACCUMULO-1832] - Create utility for rewriting uris
    * [ACCUMULO-1857] - Update README
    * [ACCUMULO-1888] - WALog entries not properly deleted after recovery during upgrade 1.5 -> 1.6
    * [ACCUMULO-1906] - Remove namespace operations that operate on the tables they contain
    * [ACCUMULO-1907] - Prevent renaming tables between namespaces
    * [ACCUMULO-1909] - Adding list of conditions to conditional mutation is cumbersome.
    * [ACCUMULO-1966] - Clone table has race condition when excluding namespace properties
    * [ACCUMULO-2011] - LaTeX broken by ACCUMULO-1956
    * [ACCUMULO-2044] - Accumulo fails when instance.volumes and fs.default.name are disjoint
    * [ACCUMULO-2048] - WAL GC fails with viewfs:// and two namenodes
    * [ACCUMULO-2049] - shell fails with viewfs:// and two namenodes
    * [ACCUMULO-2050] - log recovery fails when using two namenodes and viewfs://
    * [ACCUMULO-2051] - Can't write to accumulo when using viewfs://
    * [ACCUMULO-2052] - Recommend using viewfs:// or HA Namenode
    * [ACCUMULO-2061] - Deprecate instance.dfs.uri and instance.dfs.dir
    * [ACCUMULO-2062] - general.volume.chooser has no environment
    * [ACCUMULO-2072] - Log recovery is converting paths to relative
    * [ACCUMULO-2079] - Should not be able to create table in system namespace (accumulo)
    * [ACCUMULO-2080] - Active walogs deleted when using viewfs
    * [ACCUMULO-2094] - prepareNewTableState stores namespaceName instead of namespaceId
    * [ACCUMULO-2114] - default namespace name should be part of the public api
    * [ACCUMULO-2123] - Lower default for tfile.fs.input.buffer.size
    * [ACCUMULO-2195] - Bulk import fails with viewfs://
    * [ACCUMULO-2248] - concurrent RW test fails trying to create tables in non-existent namespaces
    * [ACCUMULO-2291] - Update CheckForMetadataProblems to check root table
    * [ACCUMULO-2355] - Shell should not log UserInterruptedException
    * [ACCUMULO-2421] - Tables utility should explain which table failed if the regex fails
    * [ACCUMULO-2438] - deleting all table rows caused tablet load failure
    * [ACCUMULO-2444] - Add unit tests to o.a.a.core.security
    * [ACCUMULO-2451] - updateAccumuloVersion only updates the data version on a single configured volume
    * [ACCUMULO-2456] - NamespacesIT.verifyIteratorInheritance
    * [ACCUMULO-2457] - SimpleProxyIT fails to find a scanner using {{getActiveScans}}
    * [ACCUMULO-2458] - BloomFilterIT fails to find improved performance
    * [ACCUMULO-2465] - Improve unit test coverage on Iterators
    * [ACCUMULO-2468] - Improve unit test coverage on o.a.a.core.data
    * [ACCUMULO-2472] - Update README Public API to include compare and set classes
    * [ACCUMULO-2475] - tablet is both assigned and hosted
    * [ACCUMULO-2476] - unexpected constraint violation
    * [ACCUMULO-2492] - test.NamespacesIT.verifyIteratorInheritance fails
    * [ACCUMULO-2503] - Add unit tests for o.a.a.core.util.format
    * [ACCUMULO-2504] - Copying failed bulk imports seems broken
    * [ACCUMULO-2507] - HalfDeadTServerIT.testTimeout fails to lose session
    * [ACCUMULO-2527] - Suppress expected deprecation warnings from instance.dfs.{dir,uri}
    * [ACCUMULO-2531] - Update ClientOpts to read from volumes or instance dir
    * [ACCUMULO-2532] - FileUtil expects instance.dfs.dir in tmpDir path
    * [ACCUMULO-2534] - README's converted to markdown do not contain copyright headers
    * [ACCUMULO-2541] - ScannerIT.testScannerReadaheadConfiguration
    * [ACCUMULO-2547] - LargeRowIT.basicTest times out
    * [ACCUMULO-2551] - Add read-only access to Fate
    * [ACCUMULO-2555] - DeleterFormatterTest.testNoConfirm fails
    * [ACCUMULO-2569] - ExamplesIT.testAgeoffFilter times out
    * [ACCUMULO-2584] - ShellServerIT.listscans fails
    * [ACCUMULO-2585] - WriteAheadLogIT.test times out
    * [ACCUMULO-2605] - TServerUtilsTest.testStopTServer_ES fails with class not found
    * [ACCUMULO-2620] - org.apache.accumulo.core.client.TableExistsException: Table run exists
    * [ACCUMULO-2680] - BackupMasterIT timing too tight
    * [ACCUMULO-2715] - [FindBugs] Bad comparison of int with 0x7fffffffffffffffL
    * [ACCUMULO-2718] - [FindBugs] Confusing both setup() and setUp() methods in AuditMessageIT
    * [ACCUMULO-2720] - [FindBugs] HTTP response splitting vulnerabilities in the OperationServlet
    * [ACCUMULO-2728] - [FindBugs] Bad random number generation in VolumeUtil

** Bug
    * [ACCUMULO-324] - System/site constraints and iterators should NOT affect the METADATA table
    * [ACCUMULO-335] - Can't batchscan over the !METADATA table
    * [ACCUMULO-829] - Input Format puts passwords in Configuration, which is world readable
    * [ACCUMULO-1018] - Client does not give informative message when user can not read table
    * [ACCUMULO-1042] - Ctrl-C in shell terminates the process
    * [ACCUMULO-1051] - Authorizations has inconsistent serialization
    * [ACCUMULO-1144] - ThriftScanner ScanState.tableName is really the tableId
    * [ACCUMULO-1163] - Throw TableDeletedException
    * [ACCUMULO-1193] - shell history command does not paginate
    * [ACCUMULO-1287] - the master column on the master status page has no documentation
    * [ACCUMULO-1312] - Don't cache credentials in client-side Connector
    * [ACCUMULO-1326] - ShellTest.authsTests failing in trunk.
    * [ACCUMULO-1345] - Provide feedback that a compaction is "stuck"
    * [ACCUMULO-1356] - shell tables command does not paginate
    * [ACCUMULO-1379] - PermGen leak
    * [ACCUMULO-1382] - Pair incorrectly assumes its components are Comparable
    * [ACCUMULO-1407] - Fix documentation for deleterows
    * [ACCUMULO-1410] - ZooSession.connect barely adheres to timeout
    * [ACCUMULO-1428] - Document native maps
    * [ACCUMULO-1434] - NullPointerException thrown by ColumnVisibility#flatten() with empty visibility
    * [ACCUMULO-1435] - Examples functional test fails when sources are not in the run directory
    * [ACCUMULO-1456] - isInSafeMode ignores passed in FileSystem
    * [ACCUMULO-1464] - Services don't bind to specified --address parameter
    * [ACCUMULO-1470] - logger.dir.walog description should say that the WAL is stored on the "HDFS filesystem"
    * [ACCUMULO-1471] - SortedMapIterator.seek() doesn't respect columnFamilies
    * [ACCUMULO-1472] - MiniAccumulo cluster improperly configures classpaths
    * [ACCUMULO-1474] - Mock merge throws concurrent modification exception
    * [ACCUMULO-1492] - bin/accumulo should follow symbolic links
    * [ACCUMULO-1500] - RAT check fails to ignore .git directory
    * [ACCUMULO-1505] - MockTable's addMutation does not check for empty mutation
    * [ACCUMULO-1513] - Shell du command doesn't work unless in table context
    * [ACCUMULO-1514] - AccumuloVFSClassloader incorrectly treats folders as folders of jar files
    * [ACCUMULO-1518] - FileOperations expects RFile filenames to contain only 1 dot.
    * [ACCUMULO-1520] - Misc functional test fixes
    * [ACCUMULO-1523] - property GENERAL_MAX_MESSAGE_SIZE is configured as "tserver.server.message.size.max"
    * [ACCUMULO-1529] - FormatterCommandTest fails in Eclipse
    * [ACCUMULO-1536] - load average on monitor page is an integer
    * [ACCUMULO-1538] - In Test module, org.apache.accumulo.test.functional.FunctionalTestUtils is missing license header.
    * [ACCUMULO-1556] - Initialize could use a better warning when HDFS dir is already populated
    * [ACCUMULO-1558] - Importtable writes file column entries with a filename of "null"
    * [ACCUMULO-1563] - Have BulkSplitOptimization and Compaction functional tests not write to hdfs root dir.
    * [ACCUMULO-1565] - Clonetable with excluded properties causes a NullPointerException
    * [ACCUMULO-1567] - false error message "tablet overlaps previously assigned tablet"
    * [ACCUMULO-1572] - single node zookeeper failure kills connected accumulo servers
    * [ACCUMULO-1577] - accumulo-site.xml cannot be loaded from $ACCUMULO_CONF_DIR
    * [ACCUMULO-1584] - ACCUMULO_CONF_DIR not respected for accumulo-metrics.xml
    * [ACCUMULO-1586] - If initial port binding fails, ThriftMetrics MBean is never registered for subsequently bound TServer
    * [ACCUMULO-1587] - Grep appears to ignore -o option to write to a file.
    * [ACCUMULO-1593] - Looking up instanceName in ZK doesn't use consistent encoding
    * [ACCUMULO-1595] - remove code related to mlock: it is no longer supported
    * [ACCUMULO-1605] - stack overflow MilliSpan.java:113
    * [ACCUMULO-1616] - Incorrect use of getCanonicalName in BloomFilterLayer code (and others)
    * [ACCUMULO-1618] - No ability to disable trash for root tablet & WAL
    * [ACCUMULO-1626] - Mutation equals() method does not always work
    * [ACCUMULO-1629] - Files in cloned table disappear when source deleted
    * [ACCUMULO-1630] - Accumulo gc cannot identify as non localhost address
    * [ACCUMULO-1631] - MiniAccumuloCluster's MiniDFS data directory is created relative to the working directory
    * [ACCUMULO-1637] - Update HDFS append/sync precondition check for Hadoop 1.2
    * [ACCUMULO-1650] - Make it easier to find and run admin commands
    * [ACCUMULO-1651] - GC removed WAL that master wasn't done with
    * [ACCUMULO-1661] - AccumuloInputFormat cannot fetch empty column family
    * [ACCUMULO-1668] - MiniAccumuloCluster doesn't properly support multiple Hadoop versions
    * [ACCUMULO-1672] - org.apache.accumulo.proxy.SimpleTest failing
    * [ACCUMULO-1673] - Mikstake in 1.5 Manual section 7.3 Indexing
    * [ACCUMULO-1681] - Adjust Authorizor Interface to validate auths instead of retrieving a list
    * [ACCUMULO-1683] - remove references to com.yahoo.zookeeper from logging configuration files
    * [ACCUMULO-1685] - bench testing shows that the NN loses the WAL
    * [ACCUMULO-1694] - ZooKeeperInstance constructor should avoid throwing RuntimeExceptions
    * [ACCUMULO-1696] - deep copy in the compaction scope iterators can throw off the stats
    * [ACCUMULO-1698] - stop-here doesn't consider system hostname
    * [ACCUMULO-1700] - IndexedDocIterator incorrectly declares some variables as static
    * [ACCUMULO-1714] - Do we need to take care of crypto based export control policy?
    * [ACCUMULO-1724] - conflicting commons-logging imports in root pom
    * [ACCUMULO-1730] - ColumnVisibility parse tree nodes do not have correct location offsets for AND and OR nodes
    * [ACCUMULO-1732] - Resolve table name to table id once in Accumulo input format
    * [ACCUMULO-1734] - Mutation is hard to check in unit tests
    * [ACCUMULO-1735] - test ShutdownIT#stopDuringStart sometimes times out
    * [ACCUMULO-1743] - Seeing unexpected trace output
    * [ACCUMULO-1752] - MAC start() method should timeout when it can't connect to Zookeeper
    * [ACCUMULO-1774] - DevNull iterator documentation is incorrect
    * [ACCUMULO-1775] - zooCacheTest fails due to missing /tmp/zcTest-42
    * [ACCUMULO-1776] - MiniAccumuloCluster has ConcurrentModificationException
    * [ACCUMULO-1781] - MiniAccumuloRunner to support miniDFS in property file
    * [ACCUMULO-1784] - Failing tests again hadoop-2.2.0
    * [ACCUMULO-1786] - MiniAccumuloClusterGCTest fails if GC is already running
    * [ACCUMULO-1788] - CleanTmpIT test is failing against hadoop 2.2.0
    * [ACCUMULO-1791] - status command for init.d script doesn't work with service command
    * [ACCUMULO-1803] - remove test/system/auto
    * [ACCUMULO-1809] - ContinuousMoru does not run under hadoop 2.0
    * [ACCUMULO-1812] - continuous ingest seeing log message and stack trace about log file closure
    * [ACCUMULO-1814] - LogSorter cannot read WAlogs from 1.5
    * [ACCUMULO-1819] - NativeMap Makefile doesn't work with newest OSX/Xcode
    * [ACCUMULO-1823] - Test failures after switching to Hadoop2
    * [ACCUMULO-1830] - illegal state in RestartStressIT
    * [ACCUMULO-1837] - Fix JS error in jquery.flot.js
    * [ACCUMULO-1839] - $ACCUMULO_CONF_DIR isn't respected everywhere
    * [ACCUMULO-1841] - Accumulo tarball doesn't include necessary jars
    * [ACCUMULO-1842] - `accumulo init` invokes the wrong class
    * [ACCUMULO-1843] - NativeMap Makefile creates incorrect output file for OSX
    * [ACCUMULO-1846] - Spurious ClassNotFoundException
    * [ACCUMULO-1848] - Failed to build Accumulo Maven Plugin with error: package org.apache.http.annotation does not exist
    * [ACCUMULO-1852] - nativeMap test doesn't run on OS X
    * [ACCUMULO-1854] - AccumuloInputFormat can be less strict about contents of Configuration
    * [ACCUMULO-1859] - Conditional Mutation with 1000 conditions is slow.
    * [ACCUMULO-1860] - NativeMapIT fails
    * [ACCUMULO-1862] - BloomFilterIT fails due to timeout
    * [ACCUMULO-1866] - get rid of Instance.getConfiguration()
    * [ACCUMULO-1867] - Split failed during conditional randomwalk test
    * [ACCUMULO-1873] - start-all.sh's zookeeper version check is lacking
    * [ACCUMULO-1874] - NoSuchMethodError when compiling 1.7.0 Snapshot
    * [ACCUMULO-1876] - Problem using accumulo artifacts from ivy
    * [ACCUMULO-1881] - ShellConfigTest fails when run as root user
    * [ACCUMULO-1884] - NativeMap Makefile fails under OSX for 1.6.x and higher
    * [ACCUMULO-1889] - ZooKeeperInstance close method should mark instance closed.
    * [ACCUMULO-1891] - AccumuloSecurityException doesn't properly handle null error codes.
    * [ACCUMULO-1892] - examples.simple.RandomBatchWriter might not write the specified number of rowids
    * [ACCUMULO-1897] - Bug in MemKeyConversionIterator constructor
    * [ACCUMULO-1899] - cli.Help should return non-zero status on error parsing args
    * [ACCUMULO-1901] - start-here.sh starts only one GC process even if more are defined
    * [ACCUMULO-1903] - Monitor creates a new ZK object to fetch gc status and doesn't wait for it to connect.
    * [ACCUMULO-1905] - WALog is slow
    * [ACCUMULO-1908] - Spurious ShellServerTest failures
    * [ACCUMULO-1911] - zookeeper polled too frequently
    * [ACCUMULO-1914] - MetadataTableUtil.removeUnusedEntries() should use one mutation
    * [ACCUMULO-1917] - ClientConfiguration needs javadocs
    * [ACCUMULO-1920] - monitor not seeing zookeeper updates
    * [ACCUMULO-1921] - NPE in tablet assignment
    * [ACCUMULO-1922] - randomwalk test fails: unable to find accumulo-server.jar
    * [ACCUMULO-1925] - Various system test pieces missing ACCUMULO_CONF_DIR
    * [ACCUMULO-1930] - classpath example is not in the examples integration test
    * [ACCUMULO-1936] - SimpleTest test cases occasionally fail
    * [ACCUMULO-1937] - Thread "tablet assignment 1" died overlaps assigned (tablet) true [] [] []
    * [ACCUMULO-1939] - Saw ConcurrentModificationException on Mini shutdown
    * [ACCUMULO-1940] - Data file in !METADATA differs from in memory data
    * [ACCUMULO-1941] - TabletIT test fails
    * [ACCUMULO-1943] - NPE on randomwalk test
    * [ACCUMULO-1947] - dfs.datanode.synconclose check is lacking
    * [ACCUMULO-1951] - start-here.sh and stop-here.sh throw errors on OS X
    * [ACCUMULO-1953] - MultiTableBatchWriterTest.testOfflineTable failed
    * [ACCUMULO-1958] - Range constructor lacks key checks, should be non-public
    * [ACCUMULO-1959] - Value constructors taking ByteBuffers need refinement
    * [ACCUMULO-1965] - Invalid table names (& namespaces) should have dedicated error codes
    * [ACCUMULO-1967] - magitator should respect presence or lack of gc file
    * [ACCUMULO-1968] - The FileDataIngest example creates MD5 hash keys, but the javadoc says it creates SHA1 hash keys.
    * [ACCUMULO-1970] - Namespaces need to create appropriate exceptions
    * [ACCUMULO-1976] - Need to upgrade to new namespaces
    * [ACCUMULO-1978] - Compaction warning on fresh install
    * [ACCUMULO-1980] - stop-here not accepting localhost
    * [ACCUMULO-1983] - missing init.d scripts
    * [ACCUMULO-1985] - Cannot bind monitor on remote host to all interfaces
    * [ACCUMULO-1986] - Validity checks missing for readFields and Thrift deserialization
    * [ACCUMULO-1987] - Incorrect handling of auth byte sequences in TabletServer
    * [ACCUMULO-1989] - Can't configure (default) namespace parameters from shell
    * [ACCUMULO-1990] - (default) namespace should not have iterators defined on it by default
    * [ACCUMULO-1993] - proxy classes conflict with Ruby system classes
    * [ACCUMULO-1994] - proxy does not handle Key timestamps correctly
    * [ACCUMULO-1997] - Perform validation on ACCUMULO_HOME
    * [ACCUMULO-1998] - Encrypted WALogs seem to be excessively buffering
    * [ACCUMULO-2009] - ExamplesIT fails with Hadoop 1.2.1
    * [ACCUMULO-2012] - Cloning the metadata table fails with faulty error
    * [ACCUMULO-2013] - Cloning tables results in errors from the master
    * [ACCUMULO-2022] - listiter lacks --all flag
    * [ACCUMULO-2024] - environment variables not being substituted in conf paths properly
    * [ACCUMULO-2025] - MiniAccumuloClusterTest failure
    * [ACCUMULO-2028] - NPE seen balancing tablets
    * [ACCUMULO-2029] - cannot clear root table problem reports
    * [ACCUMULO-2032] - GC doesn't respect instance SSL configuration
    * [ACCUMULO-2035] - NamespaceITs failing
    * [ACCUMULO-2036] - Mappers are not running locally
    * [ACCUMULO-2037] - Tablets not assigned to last location
    * [ACCUMULO-2042] - Scalability test does not run
    * [ACCUMULO-2047] - Failures when using two namenodes and viewfs://
    * [ACCUMULO-2054] - Concurrent random walk test fails
    * [ACCUMULO-2056] - NotSerializableException: com.google.common.net.HostAndPort
    * [ACCUMULO-2057] - found two last locations for the same extent
    * [ACCUMULO-2063] - HadoopLogCloser gives wrong class name in exception
    * [ACCUMULO-2065] - Broke log-forwarding with monitor binding to 0.0.0.0
    * [ACCUMULO-2067] - Cannot click through 'accumulo.root' table link in "Table List" view.
    * [ACCUMULO-2068] - Remove deprecration warning on specifying a password with shell
    * [ACCUMULO-2073] - ConditionalWriterIT missing timeouts
    * [ACCUMULO-2074] - IndexOutOfBoundsException
    * [ACCUMULO-2075] - Bulk random walk test jams
    * [ACCUMULO-2078] - ACCUMULO_LOG_HOST is incorrectly computed
    * [ACCUMULO-2082] - Major compacting files not empty
    * [ACCUMULO-2085] - Concurrent Randomwalk fails on namespace
    * [ACCUMULO-2086] - NPE on Security Randomwalk with Namespaces
    * [ACCUMULO-2087] - Tables.getNamespaces NPE's on missing table ID
    * [ACCUMULO-2088] - MasterClient.execute() eats table exceptions
    * [ACCUMULO-2090] - Concurrent random walk test fails to rename table
    * [ACCUMULO-2091] - Concurrent random walk fails to rename across namespaces
    * [ACCUMULO-2092] - Seeing spurious error message about namespace that does not exist
    * [ACCUMULO-2093] - Table listing puts creating/deleting tables in default namespace
    * [ACCUMULO-2096] - randomwalk AlterTable uses table name instead of ID
    * [ACCUMULO-2101] - Makefile overwrites JAVA_HOME from env
    * [ACCUMULO-2102] - ShellSetInstanceTest failures on clean system
    * [ACCUMULO-2104] - [RW] Image failed on writing to a non-existent table
    * [ACCUMULO-2105] - [RW] Multitable.CopyTable failed from using a closed ZooKeeperInstance
    * [ACCUMULO-2106] - [RW] Multitable.Write failed writing to non-existent table
    * [ACCUMULO-2110] - [RW] Error in Bulk.Verify
    * [ACCUMULO-2112] - master does not balance after intermittent communication failure
    * [ACCUMULO-2117] - ClassLoaderIT fails
    * [ACCUMULO-2121] - Rename client.instance.name to instance.name
    * [ACCUMULO-2124] - fix minor typos and spelling in ARS
    * [ACCUMULO-2125] - Update to guava 15
    * [ACCUMULO-2127] - example accumulo-site.xmls put Hadoop 2 jars ahead of Accumulo jars on classpath
    * [ACCUMULO-2128] - Provide resource cleanup via static utility rather than Instance.close
    * [ACCUMULO-2134] - SimpleProxyIT fails on TableNotFoundException
    * [ACCUMULO-2142] - GC doesn't advertise its port
    * [ACCUMULO-2146] - typo in continuous-env.sh.example
    * [ACCUMULO-2154] - NoNodeException error in master
    * [ACCUMULO-2161] - Unable to migrate from 1.5.0 to 1.6.0
    * [ACCUMULO-2162] - Fresh installs report a lot of VFS warnings from scripts
    * [ACCUMULO-2165] - maven-plugin's classpath is not assembled similarly to a real accumulo or mac
    * [ACCUMULO-2167] - remove deprecation from ZooKeeperInstance(String, String) constructor
    * [ACCUMULO-2168] - WriteAheadLogIT failed
    * [ACCUMULO-2172] - Concurrent compactions before machine failure may cause uneeded recovery
    * [ACCUMULO-2173] - Do not use absolute paths when comparing files
    * [ACCUMULO-2174] - VFS Classloader has potential to collide localized resources
    * [ACCUMULO-2176] - ExecfileCommand#execute() should close scanner
    * [ACCUMULO-2179] - CreateTableCommand#execute() should close Scanner
    * [ACCUMULO-2183] - [RW] Error in Security.Validate
    * [ACCUMULO-2184] - "Unknown" HDFS usage on monitor
    * [ACCUMULO-2192] - start-stats.sh isn't using the script boilerplate properly
    * [ACCUMULO-2194] - Back-to-back Security randomwalk tests fail
    * [ACCUMULO-2196] - ConfigurableMacIT tests should each use their own dirs
    * [ACCUMULO-2198] - Concurrent randomwalk fails with unbalanced servers
    * [ACCUMULO-2202] - Bloom loader missleading ERROR
    * [ACCUMULO-2206] - close consistency check failure
    * [ACCUMULO-2208] - Provide better error handling when unable to cleanly close log
    * [ACCUMULO-2209] - Rename DefaultKeyEncryptionStrategy to something more descriptive
    * [ACCUMULO-2210] - socket should be closed in MiniAccumuloClusterImpl#start()
    * [ACCUMULO-2211] - Security randomwalk fails "User doesn't exist and they SHOULD"
    * [ACCUMULO-2213] - tracer reports: IllegalStateException: Closed
    * [ACCUMULO-2220] - CloudStone Benchmarks do not respect ACCUMULO_CONF_DIR
    * [ACCUMULO-2221] - CloudStone Benchmarks should accept ZKs as parameter
    * [ACCUMULO-2224] - ZooSession should be more robust to transient DNS issues
    * [ACCUMULO-2225] - Need to better handle DNS failure propagation from Hadoop
    * [ACCUMULO-2226] - Wrong property name in user manual, section 11.5.4
    * [ACCUMULO-2230] - Can't run offline CI verification
    * [ACCUMULO-2233] - Continuous Verify job should find ranges on cloned table
    * [ACCUMULO-2234] - Cannot run offline mapreduce over non-default instance.dfs.dir value
    * [ACCUMULO-2235] - 'du' shell command doesn't work when not in a table
    * [ACCUMULO-2237] - mapred-setup.sh emits error, still works
    * [ACCUMULO-2245] - Bump maven plugin versions due to failures building maven site
    * [ACCUMULO-2246] - values returned by MiniAccumuloConfig getters can change w/o set
    * [ACCUMULO-2260] - createnamespace option should not copy config from a table
    * [ACCUMULO-2261] - duplicate locations
    * [ACCUMULO-2265] - Typo in TabletServer.java's copyright
    * [ACCUMULO-2266] - TServer should ensure wal settings are valid for underlying FS
    * [ACCUMULO-2270] - bulk import thread pool initialized in non-static method.
    * [ACCUMULO-2289] - Correct Tables.getNamespace to clarify namespace name or ID
    * [ACCUMULO-2293] - AccumuloSecurityException might be thrown instead of TableNotFoundException on flush or clone
    * [ACCUMULO-2295] - Various ITs timing too sensitive
    * [ACCUMULO-2297] - Additional unnecessary member on InputFormatBase
    * [ACCUMULO-2298] - ExamplesIT should be chunked into several smaller tests
    * [ACCUMULO-2306] - SslWithClientAuthIT.bulk consistently fails in parallel
    * [ACCUMULO-2312] - NPE running Concurrent randomwalk
    * [ACCUMULO-2316] - Table based Security operations should throw Table not found exceptions over namespace not found
    * [ACCUMULO-2318] - Renaming table don't require namespace
    * [ACCUMULO-2319] - TabletServerResourceManager MemoryManagementFramework constructor starts threads
    * [ACCUMULO-2324] - DistributedWorkQueue#waitUntilDone() shouldn't synchronize on String object
    * [ACCUMULO-2329] - "egrep: /home/user/accumulo-1.5.1/conf/gc: No such file or directory"
    * [ACCUMULO-2331] - TableConfiguration should override invalidateCache
    * [ACCUMULO-2334] - Lacking fallback when ACCUMULO_LOG_HOST isn't set
    * [ACCUMULO-2344] - stack trace in shell when using grep
    * [ACCUMULO-2354] - Master does not close TabletServerBatchReader
    * [ACCUMULO-2360] - Need a way to configure TNonblockingServer.maxReadBufferBytes to prevent OOMs from network misbehavour
    * [ACCUMULO-2369] - AccumuloReloadingVFSClassLoaderTest failure
    * [ACCUMULO-2371] - cachedDataIndex.close() should be enclosed in finally block in BCFile#Reader()
    * [ACCUMULO-2382] - Using non-default CONTINUOUS_CONF_DIR breaks agitation
    * [ACCUMULO-2390] - TraceProxy.trace should not throw InvocationTargetException
    * [ACCUMULO-2391] - switching WALogs can cause scary traceback message
    * [ACCUMULO-2393] - DeleteTableDuringSplitIT failed
    * [ACCUMULO-2397] - MetadataIT has a race condition
    * [ACCUMULO-2398] - DynamicThreadPoolsIT sometimes fails
    * [ACCUMULO-2399] - BatchWalkers die when started before Ingesters
    * [ACCUMULO-2400] - race condition in ExamplesIT
    * [ACCUMULO-2401] - client code cannot create an RFile without logging a warning
    * [ACCUMULO-2404] - Main.main can log cleaner messages when underlying process has errors
    * [ACCUMULO-2405] - Race condition in MetadataIT.mergeMeta()
    * [ACCUMULO-2406] - GarbageCollectorIT.dontGCRootLog() fails
    * [ACCUMULO-2408] - metadata table not assigned after root table is loaded
    * [ACCUMULO-2412] - MergeIT fails
    * [ACCUMULO-2418] - replace empty loops in tests with simple count method
    * [ACCUMULO-2422] - Backup master can miss acquiring lock when primary exits
    * [ACCUMULO-2425] - ConcurrentModificationException in master at startup
    * [ACCUMULO-2428] - Improper handling of rename in root tablet file management
    * [ACCUMULO-2429] - Shell does not clean up JLine ConsoleReader, leaks threads
    * [ACCUMULO-2437] - Cannot create splits with MSBit set in MSByte via API
    * [ACCUMULO-2440] - VolumeManagerImpl.create doesn't set bufferSize on 0
    * [ACCUMULO-2447] - Shell#printHelp should use the ConsoleReader to print
    * [ACCUMULO-2453] - NoClassDefFound building against Hadoop1 in ShellServerTest
    * [ACCUMULO-2460] - Experimental properties no longer hidden from DefaultConfiguration
    * [ACCUMULO-2484] - BulkIT and SslIT might collide bulk import directories
    * [ACCUMULO-2487] - Value implementation provides conflicting statements
    * [ACCUMULO-2489] - NPE in split tablet
    * [ACCUMULO-2494] - Stat calculation of STDEV may be inaccurate
    * [ACCUMULO-2512] - MAC stop should waitFor processes
    * [ACCUMULO-2513] - Inconsistent use of getBytes in MetadataTableUtil
    * [ACCUMULO-2515] - NamespaceConfiguration doesn't invalidateCache
    * [ACCUMULO-2519] - FATE operation failed across upgrade
    * [ACCUMULO-2520] - Garbage collector deleted everything when given bad input
    * [ACCUMULO-2523] - TabletTime.maxMetadataTime NPE if both arguments are null
    * [ACCUMULO-2524] - ProblemReport needs to check for nulls on construction
    * [ACCUMULO-2526] - Top level files in tarball should be 644, not 755
    * [ACCUMULO-2539] - SummingCombiner does not adhere to Combiner#COLUMNS_OPTION
    * [ACCUMULO-2540] - Public API declaration misstates the package for MAC
    * [ACCUMULO-2544] - Incorrect boundry matching for MockTableOperations.deleteRows
    * [ACCUMULO-2586] - RangeInputSplit package name changed
    * [ACCUMULO-2617] - locationByProgram incorrectly computes JAVA_HOME
    * [ACCUMULO-2631] - Excessively large number of minutes for trace page prints exception
    * [ACCUMULO-2648] - AccumuloInputFormat referencing incorrect RangeInputSplit
    * [ACCUMULO-2651] - Maven build error running rat check
    * [ACCUMULO-2659] - Incompatible API changes in 1.6.0
    * [ACCUMULO-2660] - InvocationTargetException during ContinuousIngest
    * [ACCUMULO-2665] - NoClassDefFound building against Hadoop 2.4.0
    * [ACCUMULO-2667] - annoying log message
    * [ACCUMULO-2668] - slow WAL writes
    * [ACCUMULO-2671] - BlockedOutputStream can hit a StackOverflowError
    * [ACCUMULO-2675] - TestClientOpts is creating files in /tmp
    * [ACCUMULO-2682] - README has duplicate synconclose paragraphs
    * [ACCUMULO-2686] - MiniAccumuloClusterImpl should be since 1.6.0
    * [ACCUMULO-2690] - DfsLogger outputstream short circuiting is never satisfied.
    * [ACCUMULO-2695] - Failure while running conditional RW test w/ agitation
    * [ACCUMULO-2700] - SecurityOperation.authenticateSystemUser fails to properly validate system user
    * [ACCUMULO-2713] - Instance secret written out with other configuration items to RFiles and WALogs when encryption is turned on
    * [ACCUMULO-2714] - Integration test classpath issues with Guava
    * [ACCUMULO-2716] - Duplicate connection loss logging in Writer
    * [ACCUMULO-2717] - multiTableTest is timing out
    * [ACCUMULO-2723] - orphaned monitor test
    * [ACCUMULO-2729] - Conditional RW test not checking status
    * [ACCUMULO-2730] - assigned tablets in DELETING state are not deleted
    * [ACCUMULO-2733] - Credentials is missing deserializer to match Thrift serializer
    * [ACCUMULO-2742] - History command incorrectly numbers commands
    * [ACCUMULO-2748] - MockTableOperations.deleteRow does not handle null for start or end keys
    * [ACCUMULO-2749] - 1.6.0RC4 slower than 1.5.1
    * [ACCUMULO-2752] - Missing getZooKeeperPort on AccumuloConfig interface
    * [ACCUMULO-2756] - multiTableTest is timing out

** Improvement
    * [ACCUMULO-112] - Investigate partitioning in memory map by locality group
    * [ACCUMULO-118] - accumulo could work across HDFS instances, which would help it to scale past a single namenode
    * [ACCUMULO-466] - add a default constraint to limit the size of keys
    * [ACCUMULO-527] - Shell should have way to specify instance name while using ZK hosts from configuration
    * [ACCUMULO-748] - Optionally Sort tables by ID and paginate
    * [ACCUMULO-842] - Fate operations should be rolled into shell
    * [ACCUMULO-891] - Authorizations not actually immutable
    * [ACCUMULO-935] - Run/Assemble Accumulo from Maven outside the source tree
    * [ACCUMULO-958] - Support pluggable encryption in walogs
    * [ACCUMULO-980] - support pluggable codecs for RFile
    * [ACCUMULO-1069] - InstanceOperations get/set/remove Property methods are ambiguous
    * [ACCUMULO-1070] - Improve the auditing messages that are generated from the server.
    * [ACCUMULO-1152] - Add more sanity checks to limit the damage of multiple assignment
    * [ACCUMULO-1167] - add a mechanism to deprecate Properties
    * [ACCUMULO-1203] - add option to scan command to display dateString
    * [ACCUMULO-1217] - add notes on the recovery of accumulo from component failures to the user manual
    * [ACCUMULO-1222] - o.a.a.t.randomwalk.FrameworkTest#testXML throws exceptions and asserts nothing
    * [ACCUMULO-1295] - Genericize creating objects from properties
    * [ACCUMULO-1299] - VFS tests should not use hard coded DFS port
    * [ACCUMULO-1307] - Master need to shutdown fate
    * [ACCUMULO-1309] - IntersectingIterator.addSource has unecessary object creation
    * [ACCUMULO-1313] - Use annotations to filter/hide sensitive configuration properties when logging
    * [ACCUMULO-1335] - DU command should be available through the java API
    * [ACCUMULO-1347] - Accumulo Shell Does Not support comments
    * [ACCUMULO-1357] - Make debugging MiniAccumuloCluster easier
    * [ACCUMULO-1371] - Improve message in config.sh when HADOOP_PREFIX is not a directory.
    * [ACCUMULO-1375] - Update README files in proxy module.
    * [ACCUMULO-1393] - Removed code related to default ports in client code
    * [ACCUMULO-1394] - Allow RegExFilter subclass to call setNegate.
    * [ACCUMULO-1395] - Generate example configuration from template
    * [ACCUMULO-1396] - Add hidden configuration option for adding target/classes/* to classpath for developers
    * [ACCUMULO-1403] - setiter fails when given a sortedkeyvalueiterator
    * [ACCUMULO-1406] - Add option for all scopes to setiter
    * [ACCUMULO-1442] - Replace JLine with JLine2
    * [ACCUMULO-1451] - Make Compaction triggers extensible
    * [ACCUMULO-1452] - Automate cleanup of old rf_tmp files
    * [ACCUMULO-1468] - Document release procedures
    * [ACCUMULO-1469] - Set the native memory maps configuration parameter to false for non-native example configurations
    * [ACCUMULO-1478] - Refactor Shell To Use JCommander
    * [ACCUMULO-1481] - Root tablet in its own table
    * [ACCUMULO-1490] - Consolidate documentation
    * [ACCUMULO-1494] - add a "run user jar" command to accumulo start script
    * [ACCUMULO-1499] - Move sanity checks from MiniAccumuloCluster constructor into MiniAccumuloConfig.initialize method.
    * [ACCUMULO-1501] - Trace table should have an age-off filter by default
    * [ACCUMULO-1504] - IteratorSetting missing equals and hashCode methods
    * [ACCUMULO-1506] - update class references to work out of assemble/target... path
    * [ACCUMULO-1509] - 'Recent Logs' should be highlighted in yellow when only warnings are present.
    * [ACCUMULO-1526] - add option for xml report format so that functional tests runs can be used by jenkins ci
    * [ACCUMULO-1550] - Create ACCUMULO_CONF_DIR environment variable
    * [ACCUMULO-1554] - Use getKey() with Property.TRACE_TOKEN_PROPERTY_PREFIX in initialize method of MiniAccumuloConfig
    * [ACCUMULO-1562] - add a troubleshooting section to the user guide
    * [ACCUMULO-1566] - Add ability for client to start Scanner readahead immediately
    * [ACCUMULO-1576] - add CONTINUOUS_CONF_DIR environment variable for continuous ingest test
    * [ACCUMULO-1585] - Provide option for FQDN/verbatim data from config files of servers to be stored in ZooKeeper rather than resolved IP
    * [ACCUMULO-1599] - MacTest should use target for MiniAccumuloCluster
    * [ACCUMULO-1602] - put the KeyExtent in thread names for easier debugging
    * [ACCUMULO-1603] - Lack of permission to start Tracer doesn't log actual reason
    * [ACCUMULO-1633] - BatchWriter and variants don't assert maxMemory as a positive, non-zero value
    * [ACCUMULO-1634] - Confusing shutdown message via stop-all.sh
    * [ACCUMULO-1664] - Make all processes able to use random ports
    * [ACCUMULO-1667] - Allow On/Offline Command To Execute Synchronously
    * [ACCUMULO-1669] - User manual examples use two argument Mutation.put
    * [ACCUMULO-1677] - Native Maps to look in LD_LIBRARY_PATH  environment variable as possible location of compiled libs.
    * [ACCUMULO-1689] - Add option to run GC in MiniAccumuloCluster
    * [ACCUMULO-1699] - ZooKeeperInstance lazy load instanceId
    * [ACCUMULO-1704] - IteratorSetting missing (int,String,Class,Map) constructor
    * [ACCUMULO-1705] - Upgrade to JCommander 1.32
    * [ACCUMULO-1706] - Admin Utilities Should Respect EPIPE
    * [ACCUMULO-1707] - quote env variable expansion in the start script
    * [ACCUMULO-1709] - failing Master doesn't set exit code of process
    * [ACCUMULO-1710] - Verify data in proxy test
    * [ACCUMULO-1733] - Better error message on minicluster failure to initialize
    * [ACCUMULO-1778] - Create utility for retrieving monitor location
    * [ACCUMULO-1785] - Alter config.sh to optionally just verify environment instead of making changes
    * [ACCUMULO-1828] - Create script to run specific functional tests
    * [ACCUMULO-1833] - MultiTableBatchWriterImpl.getBatchWriter() is not performant for multiple threads
    * [ACCUMULO-1835] - Update test/system/auto/README for -f, -x, etc.
    * [ACCUMULO-1890] - MiniAccumloClusterGCTest failing on limited resource machine.
    * [ACCUMULO-1932] - Don't rely on Hadoop "convenience" scripts for agitator
    * [ACCUMULO-1933] - Make unit on memory parameters case-insensitive
    * [ACCUMULO-1945] - bin/accumulo help should print usage
    * [ACCUMULO-1946] - Include dfs.datanode.synconclose in hdfs configuration documentation
    * [ACCUMULO-1960] - agitator should support sudo as well
    * [ACCUMULO-1964] - native map build procedure is complicated and README is out of date
    * [ACCUMULO-1971] - Merge HDFS agitation from tablet server agitator and hdfs agitation
    * [ACCUMULO-1973] - Log better message when Hadoop configuration files are not found
    * [ACCUMULO-1984] - Clean up Instance closing
    * [ACCUMULO-2004] - LIB_PATH for Hadoop native libs is lacking
    * [ACCUMULO-2030] - Javadoc: core/security
    * [ACCUMULO-2039] - Authorizations.getAuthorizationsBB is inefficient
    * [ACCUMULO-2046] - Have startup scripts automatically pick up jaas.conf and krb5.conf files
    * [ACCUMULO-2060] - Improve example general.classpath
    * [ACCUMULO-2064] - Include Git SHA1 in artifacts
    * [ACCUMULO-2120] - Fix maven warnings introduced declaration of mavanagaiata
    * [ACCUMULO-2126] - Hadoop profile names should be consistent across branches
    * [ACCUMULO-2132] - Prevent dock element in OSX from launching with MAC
    * [ACCUMULO-2144] - user lacking System.SYSTEM role should receive a more helpful error message
    * [ACCUMULO-2151] - Separate API from implementation of mini accumulo
    * [ACCUMULO-2163] - Always run GC in mini accumulo
    * [ACCUMULO-2190] - Add test for root table file management
    * [ACCUMULO-2223] - minor corrections to 1.5 documentation regarding WAL
    * [ACCUMULO-2239] - Reformat test README files to Markdown
    * [ACCUMULO-2262] - Include java.net.preferIPv4Stack=true in process startup
    * [ACCUMULO-2292] - Fix findbugs/pmd errors for 1.5.1
    * [ACCUMULO-2296] - Add thrift generated sources to findbugs ignore list
    * [ACCUMULO-2299] - WholeRowIterator.decodeRow should check input stream return val
    * [ACCUMULO-2317] - remove ClientConfiguration loadDefault(String)
    * [ACCUMULO-2342] - Proxy SimpleTest failures: might not see constraint updates
    * [ACCUMULO-2350] - Missing recommendation on replacement for deprecated client APIs
    * [ACCUMULO-2441] - Document internal state stored in RFile names
    * [ACCUMULO-2454] - Aggregate Cobertura reports
    * [ACCUMULO-2482] - Improve error message on ZK retries
    * [ACCUMULO-2499] - User manual should include list of default ports
    * [ACCUMULO-2529] - bake desired warnings into normal maven build
    * [ACCUMULO-2592] - Add new interfaces that better allow extension/implementations of Accumulo clusters

** New Feature
    * [ACCUMULO-391] - Multi-table Accumulo input format
    * [ACCUMULO-802] - table namespaces
    * [ACCUMULO-1000] - support compare and set
    * [ACCUMULO-1009] - Support encryption over the wire
    * [ACCUMULO-1030] - Create a Maven plugin to run MiniAccumuloCluster for integration testing
    * [ACCUMULO-1336] - Add lexicoders from Typo to Accumulo
    * [ACCUMULO-1337] - Create Whole Column Family Iterator
    * [ACCUMULO-1398] - Create command to dump running configuration
    * [ACCUMULO-1399] - Pluggable commands for the shell
    * [ACCUMULO-1419] - Make hadoop2 the default
    * [ACCUMULO-1488] - support BigDecimal encoding for basic built-in combiners
    * [ACCUMULO-1639] - Server-side iterator/filter that allows you to specify a lexicographical range of column qualifier values you want to retrieve from a Scanner (ColumnSliceFilter)

** Task
    * [ACCUMULO-658] - refactor code into separate modules where appropriate
    * [ACCUMULO-1066] - getauths in the shell shows authorizations in an arbitrary order
    * [ACCUMULO-1498] - Create document to outline step to Git transition
    * [ACCUMULO-1511] - ciManagement link to Jenkins broken in pom.xml
    * [ACCUMULO-1533] - Clean up/remove unwanted code from 1.5
    * [ACCUMULO-1640] - Remove IllegalDSException
    * [ACCUMULO-1642] - Remove intermediate parent POM examples/pom.xml
    * [ACCUMULO-1643] - Make default Hadoop dependency 1.2.1 (stable)
    * [ACCUMULO-1644] - Remove unused code - TestTime
    * [ACCUMULO-1648] - investigate -XX:-OmitStackTraceInFastThrow
    * [ACCUMULO-1678] - Create README in svn to point to git
    * [ACCUMULO-1679] - Get rid of TFile
    * [ACCUMULO-1690] - Update Apache RAT plugin to 0.10
    * [ACCUMULO-1820] - Suppress compiler warnings from hadoop1/2 switchover
    * [ACCUMULO-1853] - Clean up dependencies for 1.6.0
    * [ACCUMULO-1864] - Drop provided scope on dependencies
    * [ACCUMULO-1910] - Add source to jar files used for testing
    * [ACCUMULO-1956] - Add section on decomissioning or adding nodes to an Accumulo cluster
    * [ACCUMULO-1961] - Fix trivial compiler/javadoc warnings
    * [ACCUMULO-1969] - Ensure native libraries can be loaded from ACCUMULO_HOME/lib/native
    * [ACCUMULO-1992] - Don't use CachedConfiguration in examples
    * [ACCUMULO-1996] - Document SimpleMacIT
    * [ACCUMULO-2010] - Remove resource leak warnings
    * [ACCUMULO-2113] - Verify that The Hammer approach to resource leak is a viable short term fix
    * [ACCUMULO-2148] - Verify upgrade 1.5 to 1.6 works
    * [ACCUMULO-2149] - Verify mappers run locally in 1.6
    * [ACCUMULO-2160] - Run findbugs for 1.6
    * [ACCUMULO-2254] - Remove run_findbugs.sh
    * [ACCUMULO-2283] - Remove server-extras module
    * [ACCUMULO-2389] - Remove OfflineMetadataScanner
    * [ACCUMULO-2552] - Check for usage of FileSystem.get(Configuration)
    * [ACCUMULO-2590] - Update public API in readme to clarify what's included
    * [ACCUMULO-2606] - Remove RPM/DEB packaging from build
    * [ACCUMULO-2616] - Bump plugin versions and parent POM version
    * [ACCUMULO-2652] - Build warnings from missing plugin version
    * [ACCUMULO-2653] - Remove useless javadocs
    * [ACCUMULO-2654] - means to create empty rfile for recovery
    * [ACCUMULO-2670] - Corrupt license header in shelltest.txt
    * [ACCUMULO-2697] - Automatically run findbugs to detect serious issues in the build
    * [ACCUMULO-2707] - Remove build-helper task: regex-property from build
    * [ACCUMULO-2708] - Lower the rank threshold for findbugs execution in the build
    * [ACCUMULO-2726] - Maintain binary backwards compat for non-deprecated API components for 1.5 -> 1.6
    * [ACCUMULO-2734] - javadoc bug with multi-line @code tag
    * [ACCUMULO-2740] - Skip findbugs execution during release:perform
    * [ACCUMULO-2745] - README file missing license header
    * [ACCUMULO-2750] - Remove unused diagrams from documentation
    * [ACCUMULO-2751] - Drop test/system/continuous/ScaleTest.odp

** Test
    * [ACCUMULO-1981] - BloomFilterLayerLookupTest does not run
    * [ACCUMULO-2216] - Randomwalk module to run each test once
    * [ACCUMULO-2356] - Remove static block from AccumuloDFSBase
    * [ACCUMULO-2392] - SimpleMacIT should document which MAC it is using
    * [ACCUMULO-2470] - Improve unit test coverage for server base classes
    * [ACCUMULO-2488] - Concurrent randomwalk balance check needs refinement
    * [ACCUMULO-2498] - Improve unit tests coverage for core module
    * [ACCUMULO-2508] - Security randomwalk fails "BAD_CREDENTIALS - Username or Password is Invalid"
    * [ACCUMULO-2543] - cacheBlock should be closed in BlockIndexTest
    * [ACCUMULO-2558] - Improve unit test coverage for server gc classes
    * [ACCUMULO-2621] - Masters not restarting during concurrent randomwalk
    * [ACCUMULO-2657] - Shard randomwalk fails for 1.6.0
    * [ACCUMULO-2666] - provide a scaling factor for timeouts on ITs
    * [ACCUMULO-2735] - Add specific test to ensure merging cloned tables are functional