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| This release includes 53 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. |
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| <h1> |
| <a href="/2023/03/15/apache-flink-1.15.4-release-announcement/">Apache Flink 1.15.4 Release Announcement</a> |
| </h1> |
| |
| |
| |
| March 15, 2023 - |
| |
| |
| |
| Danny Cranmer |
| |
| |
| |
| |
| <p><p>The Apache Flink Community is pleased to announce the fourth bug fix release of the Flink 1.15 series.</p> |
| <p>This release includes 53 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=12352526">JIRA</a>.</p> |
| <p>We highly recommend all users upgrade to Flink 1.15.4.</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>1.15.4<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>1.15.4<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>1.15.4<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">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=1.15.4">library/flink</a> (official images)</li> |
| <li><a href="https://hub.docker.com/r/apache/flink/tags?page=1&name=1.15.4">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/1.15.4/">apache-flink==1.15.4</a></li> |
| </ul> |
| <h1 id="release-notes"> |
| Release Notes |
| <a class="anchor" href="#release-notes">#</a> |
| </h1> |
| <h2> Bug |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27341'>FLINK-27341</a>] - TaskManager running together with JobManager are bind to 127.0.0.1 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27800'>FLINK-27800</a>] - addInEdge check state error |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27944'>FLINK-27944</a>] - IO metrics collision happens if a task has union inputs |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28526'>FLINK-28526</a>] - Fail to lateral join with UDTF from Table with timstamp column |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28695'>FLINK-28695</a>] - Fail to send partition request to restarted taskmanager |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28742'>FLINK-28742</a>] - Table.to_pandas fails with lit("xxx") |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-28863'>FLINK-28863</a>] - Snapshot result of RocksDB native savepoint should have empty shared-state |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29231'>FLINK-29231</a>] - PyFlink UDAF produces different results in the same sliding window |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29234'>FLINK-29234</a>] - Dead lock in DefaultLeaderElectionService |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30133'>FLINK-30133</a>] - HadoopModuleFactory creates error if the security module cannot be loaded |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30168'>FLINK-30168</a>] - PyFlink Deserialization Error with Object Array |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30304'>FLINK-30304</a>] - Possible Deadlock in Kinesis/Firehose/DynamoDB Connector |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30308'>FLINK-30308</a>] - ClassCastException: class java.io.ObjectStreamClass$Caches$1 cannot be cast to class java.util.Map is showing in the logging when the job shutdown |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30366'>FLINK-30366</a>] - Python Group Agg failed in cleaning the idle state |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30461'>FLINK-30461</a>] - Some rocksdb sst files will remain forever |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30637'>FLINK-30637</a>] - In linux-aarch64 environment, using “is” judgment to match the window type of overwindow have returned incorrect matching results |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30679'>FLINK-30679</a>] - Can not load the data of hive dim table when project-push-down is introduced |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30803'>FLINK-30803</a>] - PyFlink mishandles script dependencies |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30864'>FLINK-30864</a>] - Optional pattern at the start of a group pattern not working |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30885'>FLINK-30885</a>] - Optional group pattern starts with non-optional looping pattern get wrong result on followed-by |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31041'>FLINK-31041</a>] - Build up of pending global failures causes JM instability |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31043'>FLINK-31043</a>] - KeyError exception is thrown in CachedMapState |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31183'>FLINK-31183</a>] - Flink Kinesis EFO Consumer can fail to stop gracefully |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31272'>FLINK-31272</a>] - Duplicate operators appear in the StreamGraph for Python DataStream API jobs |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31283'>FLINK-31283</a>] - Correct the description of building from source with scala version |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31286'>FLINK-31286</a>] - Python processes are still alive when shutting down a session cluster directly without stopping the jobs |
| </li> |
| </ul> |
| <h2> Improvement |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-27327'>FLINK-27327</a>] - Add description about changing max parallelism explicitly leads to state incompatibility |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29155'>FLINK-29155</a>] - Improve default config of grpcServer in Process Mode |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29639'>FLINK-29639</a>] - Add ResourceId in TransportException for debugging |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29729'>FLINK-29729</a>] - Fix credential info configured in flink-conf.yaml is lost during creating ParquetReader |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-29966'>FLINK-29966</a>] - Replace and redesign the Python api documentation base |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30633'>FLINK-30633</a>] - Update AWS SDKv2 to v2.19.14 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30724'>FLINK-30724</a>] - Update doc of kafka per-partition watermark to FLIP-27 source |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30962'>FLINK-30962</a>] - Improve error messaging when launching py4j gateway server |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-31031'>FLINK-31031</a>] - Disable the output buffer of Python process to make it more convenient for interactive users |
| </li> |
| </ul> |
| <h2> Sub-task |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-30462'>FLINK-30462</a>] - DefaultMultipleComponentLeaderElectionService saves wrong leader session ID |
| </li> |
| </ul></p> |
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