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| <meta name="description" content="The Apache Flink community released the first bugfix version of the Apache Flink 1.9 series. |
| This release includes 96 fixes and minor improvements for Flink 1.9.0. The list below includes a detailed list of all fixes and improvements. |
| We highly recommend all users to upgrade to Flink 1.9.1. |
| Updated Maven dependencies: |
| <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-java</artifactId> <version>1.9.1</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-streaming-java_2.11</artifactId> <version>1.9.1</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-clients_2.11</artifactId> <version>1.9.1</version> </dependency> You can find the binaries on the updated Downloads page."> |
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| <meta property="og:description" content="The Apache Flink community released the first bugfix version of the Apache Flink 1.9 series. |
| This release includes 96 fixes and minor improvements for Flink 1.9.0. The list below includes a detailed list of all fixes and improvements. |
| We highly recommend all users to upgrade to Flink 1.9.1. |
| Updated Maven dependencies: |
| <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-java</artifactId> <version>1.9.1</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-streaming-java_2.11</artifactId> <version>1.9.1</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-clients_2.11</artifactId> <version>1.9.1</version> </dependency> You can find the binaries on the updated Downloads page." /> |
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| <h1> |
| <a href="/2019/10/18/apache-flink-1.9.1-released/">Apache Flink 1.9.1 Released</a> |
| </h1> |
| |
| |
| |
| October 18, 2019 - |
| |
| |
| |
| Jark Wu |
| |
| <a href="https://twitter.com/JarkWu">(@JarkWu)</a> |
| |
| |
| |
| |
| <p><p>The Apache Flink community released the first bugfix version of the Apache Flink 1.9 series.</p> |
| <p>This release includes 96 fixes and minor improvements for Flink 1.9.0. The list below includes a detailed list of all fixes and improvements.</p> |
| <p>We highly recommend all users to upgrade to Flink 1.9.1.</p> |
| <p>Updated Maven dependencies:</p> |
| <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-xml" data-lang="xml"><span class="line"><span class="cl"><span class="nt"><dependency></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><groupId></span>org.apache.flink<span class="nt"></groupId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><artifactId></span>flink-java<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.9.1<span class="nt"></version></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"></dependency></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"><dependency></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><groupId></span>org.apache.flink<span class="nt"></groupId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><artifactId></span>flink-streaming-java_2.11<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.9.1<span class="nt"></version></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"></dependency></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"><dependency></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><groupId></span>org.apache.flink<span class="nt"></groupId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><artifactId></span>flink-clients_2.11<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.9.1<span class="nt"></version></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"></dependency></span> |
| </span></span></code></pre></div><p>You can find the binaries on the updated <a href="/downloads.html">Downloads page</a>.</p> |
| <p>List of resolved issues:</p> |
| <h2> Bug |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-11630'>FLINK-11630</a>] - TaskExecutor does not wait for Task termination when terminating itself |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13490'>FLINK-13490</a>] - Fix if one column value is null when reading JDBC, the following values are all null |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13941'>FLINK-13941</a>] - Prevent data-loss by not cleaning up small part files from S3. |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-12501'>FLINK-12501</a>] - AvroTypeSerializer does not work with types generated by avrohugger |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13386'>FLINK-13386</a>] - Fix some frictions in the new default Web UI |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13526'>FLINK-13526</a>] - Switching to a non existing catalog or database crashes sql-client |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13568'>FLINK-13568</a>] - DDL create table doesn't allow STRING data type |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13805'>FLINK-13805</a>] - Bad Error Message when TaskManager is lost |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13806'>FLINK-13806</a>] - Metric Fetcher floods the JM log with errors when TM is lost |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14010'>FLINK-14010</a>] - Dispatcher & JobManagers don't give up leadership when AM is shut down |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14145'>FLINK-14145</a>] - CompletedCheckpointStore#getLatestCheckpoint(true) returns wrong checkpoint |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13059'>FLINK-13059</a>] - Cassandra Connector leaks Semaphore on Exception and hangs on close |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13534'>FLINK-13534</a>] - Unable to query Hive table with decimal column |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13562'>FLINK-13562</a>] - Throws exception when FlinkRelMdColumnInterval meets two stage stream group aggregate |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13563'>FLINK-13563</a>] - TumblingGroupWindow should implement toString method |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13564'>FLINK-13564</a>] - Throw exception if constant with YEAR TO MONTH resolution was used for group windows |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13588'>FLINK-13588</a>] - StreamTask.handleAsyncException throws away the exception cause |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13653'>FLINK-13653</a>] - ResultStore should avoid using RowTypeInfo when creating a result |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13711'>FLINK-13711</a>] - Hive array values not properly displayed in SQL CLI |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13737'>FLINK-13737</a>] - flink-dist should add provided dependency on flink-examples-table |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13738'>FLINK-13738</a>] - Fix NegativeArraySizeException in LongHybridHashTable |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13742'>FLINK-13742</a>] - Fix code generation when aggregation contains both distinct aggregate with and without filter |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13760'>FLINK-13760</a>] - Fix hardcode Scala version dependency in hive connector |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13761'>FLINK-13761</a>] - `SplitStream` should be deprecated because `SplitJavaStream` is deprecated |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13789'>FLINK-13789</a>] - Transactional Id Generation fails due to user code impacting formatting string |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13823'>FLINK-13823</a>] - Incorrect debug log in CompileUtils |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13825'>FLINK-13825</a>] - The original plugins dir is not restored after e2e test run |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13831'>FLINK-13831</a>] - Free Slots / All Slots display error |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13887'>FLINK-13887</a>] - Ensure defaultInputDependencyConstraint to be non-null when setting it in ExecutionConfig |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13897'>FLINK-13897</a>] - OSS FS NOTICE file is placed in wrong directory |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13933'>FLINK-13933</a>] - Hive Generic UDTF can not be used in table API both stream and batch mode |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13936'>FLINK-13936</a>] - NOTICE-binary is outdated |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13966'>FLINK-13966</a>] - Jar sorting in collect_license_files.sh is locale dependent |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14009'>FLINK-14009</a>] - Cron jobs broken due to verifying incorrect NOTICE-binary file |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14049'>FLINK-14049</a>] - Update error message for failed partition updates to include task name |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14076'>FLINK-14076</a>] - 'ClassNotFoundException: KafkaException' on Flink v1.9 w/ checkpointing |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14107'>FLINK-14107</a>] - Kinesis consumer record emitter deadlock under event time alignment |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14119'>FLINK-14119</a>] - Clean idle state for RetractableTopNFunction |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14139'>FLINK-14139</a>] - Fix potential memory leak of rest server when using session/standalone cluster |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14140'>FLINK-14140</a>] - The Flink Logo Displayed in Flink Python Shell is Broken |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14150'>FLINK-14150</a>] - Unnecessary __pycache__ directories appears in pyflink.zip |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14288'>FLINK-14288</a>] - Add Py4j NOTICE for source release |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13892'>FLINK-13892</a>] - HistoryServerTest failed on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14043'>FLINK-14043</a>] - SavepointMigrationTestBase is super slow |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-12164'>FLINK-12164</a>] - JobMasterTest.testJobFailureWhenTaskExecutorHeartbeatTimeout is unstable |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-9900'>FLINK-9900</a>] - Fix unstable test ZooKeeperHighAvailabilityITCase#testRestoreBehaviourWithFaultyStateHandles |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13484'>FLINK-13484</a>] - ConnectedComponents end-to-end test instable with NoResourceAvailableException |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13489'>FLINK-13489</a>] - Heavy deployment end-to-end test fails on Travis with TM heartbeat timeout |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13514'>FLINK-13514</a>] - StreamTaskTest.testAsyncCheckpointingConcurrentCloseAfterAcknowledge unstable |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13530'>FLINK-13530</a>] - AbstractServerTest failed on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13585'>FLINK-13585</a>] - Fix sporadical deallock in TaskAsyncCallTest#testSetsUserCodeClassLoader() |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13599'>FLINK-13599</a>] - Kinesis end-to-end test failed on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13663'>FLINK-13663</a>] - SQL Client end-to-end test for modern Kafka failed on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13688'>FLINK-13688</a>] - HiveCatalogUseBlinkITCase.testBlinkUdf constantly failed |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13739'>FLINK-13739</a>] - BinaryRowTest.testWriteString() fails in some environments |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13746'>FLINK-13746</a>] - Elasticsearch (v2.3.5) sink end-to-end test fails on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13769'>FLINK-13769</a>] - BatchFineGrainedRecoveryITCase.testProgram failed on Travis |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13807'>FLINK-13807</a>] - Flink-avro unit tests fails if the character encoding in the environment is not default to UTF-8 |
| </li> |
| </ul> |
| <h2> Improvement |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13965'>FLINK-13965</a>] - Keep hasDeprecatedKeys and deprecatedKeys methods in ConfigOption and mark it with @Deprecated annotation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-9941'>FLINK-9941</a>] - Flush in ScalaCsvOutputFormat before close method |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13336'>FLINK-13336</a>] - Remove the legacy batch fault tolerance page and redirect it to the new task failure recovery page |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13380'>FLINK-13380</a>] - Improve the usability of Flink session cluster on Kubernetes |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13819'>FLINK-13819</a>] - Introduce RpcEndpoint State |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13845'>FLINK-13845</a>] - Drop all the content of removed "Checkpointed" interface |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13957'>FLINK-13957</a>] - Log dynamic properties on job submission |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13967'>FLINK-13967</a>] - Generate full binary licensing via collect_license_files.sh |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13968'>FLINK-13968</a>] - Add travis check for the correctness of the binary licensing |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13449'>FLINK-13449</a>] - Add ARM architecture to MemoryArchitecture |
| </li> |
| </ul> |
| <h2> Documentation |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13105'>FLINK-13105</a>] - Add documentation for blink planner's built-in functions |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13277'>FLINK-13277</a>] - add documentation of Hive source/sink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13354'>FLINK-13354</a>] - Add documentation for how to use blink planner |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13355'>FLINK-13355</a>] - Add documentation for Temporal Table Join in blink planner |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13356'>FLINK-13356</a>] - Add documentation for TopN and Deduplication in blink planner |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13359'>FLINK-13359</a>] - Add documentation for DDL introduction |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13362'>FLINK-13362</a>] - Add documentation for Kafka & ES & FileSystem DDL |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13363'>FLINK-13363</a>] - Add documentation for streaming aggregate performance tunning. |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13706'>FLINK-13706</a>] - add documentation of how to use Hive functions in Flink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13942'>FLINK-13942</a>] - Add Overview page for Getting Started section |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13863'>FLINK-13863</a>] - Update Operations Playground to Flink 1.9.0 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13937'>FLINK-13937</a>] - Fix wrong hive dependency version in documentation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13830'>FLINK-13830</a>] - The Document about Cluster on yarn have some problems |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-14160'>FLINK-14160</a>] - Extend Operations Playground with --backpressure option |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13388'>FLINK-13388</a>] - Update UI screenshots in the documentation to the new default Web Frontend |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13415'>FLINK-13415</a>] - Document how to use hive connector in scala shell |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13517'>FLINK-13517</a>] - Restructure Hive Catalog documentation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13643'>FLINK-13643</a>] - Document the workaround for users with a different minor Hive version |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-13757'>FLINK-13757</a>] - Fix wrong description of "IS NOT TRUE" function documentation |
| </li> |
| </ul> |
| </p> |
| </article> |
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