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| This release includes 62 bug fixes, vulnerability fixes, and minor improvements for Flink 1.15. Below you will find a list of all bugfixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA. |
| We highly recommend all users upgrade to Flink 1.15.1." /> |
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| <h1> |
| <a href="/2022/07/06/apache-flink-1.15.1-release-announcement/">Apache Flink 1.15.1 Release Announcement</a> |
| </h1> |
| |
| |
| |
| July 6, 2022 - |
| |
| |
| |
| David Anderson |
| |
| <a href="https://twitter.com/alpinegizmo">(@alpinegizmo)</a> |
| |
| |
| |
| |
| <p><p>The Apache Flink Community is pleased to announce the first bug fix release of the Flink 1.15 series.</p> |
| <p>This release includes 62 bug fixes, vulnerability fixes, and minor improvements for Flink 1.15. |
| Below you will find a list of all bugfixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: |
| <a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12315522&version=12351546">JIRA</a>.</p> |
| <p>We highly recommend all users upgrade to Flink 1.15.1.</p> |
| <h1 id="release-artifacts"> |
| Release Artifacts |
| <a class="anchor" href="#release-artifacts">#</a> |
| </h1> |
| <h2 id="maven-dependencies"> |
| Maven Dependencies |
| <a class="anchor" href="#maven-dependencies">#</a> |
| </h2> |
| <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>1.15.1<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<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.15.1<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<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.15.1<span class="nt"></version></span> |
| </span></span><span class="line"><span class="cl"><span class="nt"></dependency></span> |
| </span></span></code></pre></div><h2 id="binaries"> |
| Binaries |
| <a class="anchor" href="#binaries">#</a> |
| </h2> |
| <p>You can find the binaries on the updated <a href="/downloads.html">Downloads page</a>.</p> |
| <h2 id="docker-images"> |
| Docker Images |
| <a class="anchor" href="#docker-images">#</a> |
| </h2> |
| <ul> |
| <li><a href="https://hub.docker.com/_/flink/tags?page=1&name=1.15.1">library/flink</a> (official images)</li> |
| <li><a href="https://hub.docker.com/r/apache/flink/tags?page=1&name=1.15.1">apache/flink</a> (ASF repository)</li> |
| </ul> |
| <h2 id="pypi"> |
| PyPi |
| <a class="anchor" href="#pypi">#</a> |
| </h2> |
| <ul> |
| <li><a href="https://pypi.org/project/apache-flink/1.15.1/">apache-flink==1.15.1</a></li> |
| </ul> |
| <h1 id="release-notes"> |
| Release Notes |
| <a class="anchor" href="#release-notes">#</a> |
| </h1> |
| <p>The community is aware of 3 issues that were introduced with 1.15.0 that remain unresolved. Efforts are underway to fix these issues for Flink 1.15.2:</p> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28861'>FLINK-28861</a>] - Non-deterministic UID generation might cause issues during restore for Table/SQL API |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28060'>FLINK-28060</a>] - Kafka commit on checkpointing fails repeatedly after a broker restart |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28322'>FLINK-28322</a>] - DataStreamScanProvider's new method is not compatible |
| </li> |
| </ul> |
| <h2> Bug |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22984'>FLINK-22984</a>] - UnsupportedOperationException when using Python UDF to generate watermark |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-24491'>FLINK-24491</a>] - ExecutionGraphInfo may not be archived when the dispatcher terminates |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-24735'>FLINK-24735</a>] - SQL client crashes with `Cannot add expression of different type to set` |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-26645'>FLINK-26645</a>] - Pulsar Source subscribe to a single topic partition will consume all partitions from that topic |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27041'>FLINK-27041</a>] - KafkaSource in batch mode failing if any topic partition is empty |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27140'>FLINK-27140</a>] - Move JobResultStore dirty entry creation into ioExecutor |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27174'>FLINK-27174</a>] - Non-null check for bootstrapServers field is incorrect in KafkaSink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27218'>FLINK-27218</a>] - Serializer in OperatorState has not been updated when new Serializers are NOT incompatible |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27223'>FLINK-27223</a>] - State access doesn't work as expected when cache size is set to 0 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27247'>FLINK-27247</a>] - ScalarOperatorGens.numericCasting is not compatible with legacy behavior |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27255'>FLINK-27255</a>] - Flink-avro does not support serialization and deserialization of avro schema longer than 65535 characters |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27282'>FLINK-27282</a>] - Fix the bug of wrong positions mapping in RowCoder |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27367'>FLINK-27367</a>] - SQL CAST between INT and DATE is broken |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27368'>FLINK-27368</a>] - SQL CAST(' 1 ' as BIGINT) returns wrong result |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27409'>FLINK-27409</a>] - Cleanup stale slot allocation record when the resource requirement of a job is empty |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27418'>FLINK-27418</a>] - Flink SQL TopN result is wrong |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27420'>FLINK-27420</a>] - Suspended SlotManager fails to re-register metrics when started again |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27465'>FLINK-27465</a>] - AvroRowDeserializationSchema.convertToTimestamp fails with negative nano seconds |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27487'>FLINK-27487</a>] - KafkaMetricWrappers do incorrect cast |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27545'>FLINK-27545</a>] - Update examples in PyFlink shell |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27563'>FLINK-27563</a>] - Resource Providers - Yarn doc page has minor display error |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27606'>FLINK-27606</a>] - CompileException when using UDAF with merge() method |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27676'>FLINK-27676</a>] - Output records from on_timer are behind the triggering watermark in PyFlink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27683'>FLINK-27683</a>] - Insert into (column1, column2) Values(.....) fails with SQL hints |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27711'>FLINK-27711</a>] - Correct the typo of set_topics_pattern by changing it to set_topic_pattern for Pulsar Connector |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27733'>FLINK-27733</a>] - Rework on_timer output behind watermark bug fix |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27734'>FLINK-27734</a>] - Not showing checkpoint interval properly in WebUI when checkpoint is disabled |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27760'>FLINK-27760</a>] - NPE is thrown when executing PyFlink jobs in batch mode |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27762'>FLINK-27762</a>] - Kafka WakeupException during handling splits changes |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27797'>FLINK-27797</a>] - PythonTableUtils.getCollectionInputFormat cannot correctly handle None values |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27848'>FLINK-27848</a>] - ZooKeeperLeaderElectionDriver keeps writing leader information, using up zxid |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27881'>FLINK-27881</a>] - The key(String) in PulsarMessageBuilder returns null |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27890'>FLINK-27890</a>] - SideOutputExample.java fails |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27910'>FLINK-27910</a>] - FileSink not enforcing rolling policy if started from scratch |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27933'>FLINK-27933</a>] - Savepoint status cannot be queried from standby jobmanager |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27955'>FLINK-27955</a>] - PyFlink installation failure on Windows OS |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27999'>FLINK-27999</a>] - NoSuchMethodError when using Hive 3 dialect |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28018'>FLINK-28018</a>] - the start index to create empty splits in BinaryInputFormat#createInputSplits is inappropriate |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28019'>FLINK-28019</a>] - Error in RetractableTopNFunction when retracting a stale record with state ttl enabled |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28114'>FLINK-28114</a>] - The path of the Python client interpreter could not point to an archive file in distributed file system |
| </li> |
| </ul> |
| <h2> Improvement |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-24586'>FLINK-24586</a>] - SQL functions should return STRING instead of VARCHAR(2000) |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-26788'>FLINK-26788</a>] - AbstractDeserializationSchema should add cause when throwing a FlinkRuntimeException |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-26909'>FLINK-26909</a>] - Allow setting parallelism to -1 from CLI |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27064'>FLINK-27064</a>] - Centralize ArchUnit rules for production code |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27480'>FLINK-27480</a>] - KafkaSources sharing the groupId might lead to InstanceAlreadyExistException warning |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27534'>FLINK-27534</a>] - Apply scalafmt to 1.15 branch |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27776'>FLINK-27776</a>] - Throw exception when UDAF used in sliding window does not implement merge method in PyFlink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27935'>FLINK-27935</a>] - Add Pyflink example of create temporary view document |
| </li> |
| </ul> |
| <h2> Technical Debt |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-25694'>FLINK-25694</a>] - Upgrade Presto to resolve GSON/Alluxio Vulnerability |
| </li> |
| </ul> |
| <h2> Sub-task |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-26052'>FLINK-26052</a>] - Update chinese documentation regarding FLIP-203 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-26588'>FLINK-26588</a>] - Translate the new SQL CAST documentation to Chinese |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27382'>FLINK-27382</a>] - Make Job mode wait with cluster shutdown until the cleanup is done |
| </li> |
| </ul> |
| </p> |
| </article> |
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