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| This release includes 21 fixes and minor improvements for Flink 1.12.3. The list below includes a detailed list of all fixes and improvements. |
| We highly recommend all users to upgrade to Flink 1.12.4. |
| Updated Maven dependencies: |
| <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-java</artifactId> <version>1.12.4</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-streaming-java_2.11</artifactId> <version>1.12.4</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-clients_2.11</artifactId> <version>1.12.4</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 next bugfix version of the Apache Flink 1.12 series. |
| This release includes 21 fixes and minor improvements for Flink 1.12.3. The list below includes a detailed list of all fixes and improvements. |
| We highly recommend all users to upgrade to Flink 1.12.4. |
| Updated Maven dependencies: |
| <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-java</artifactId> <version>1.12.4</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-streaming-java_2.11</artifactId> <version>1.12.4</version> </dependency> <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-clients_2.11</artifactId> <version>1.12.4</version> </dependency> You can find the binaries on the updated Downloads page." /> |
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| <h1> |
| <a href="/2021/05/21/apache-flink-1.12.4-released/">Apache Flink 1.12.4 Released</a> |
| </h1> |
| |
| |
| |
| May 21, 2021 - |
| |
| |
| |
| Arvid Heise |
| |
| |
| |
| |
| <p><p>The Apache Flink community released the next bugfix version of the Apache Flink 1.12 series.</p> |
| <p>This release includes 21 fixes and minor improvements for Flink 1.12.3. The list below includes a detailed list of all fixes and improvements.</p> |
| <p>We highly recommend all users to upgrade to Flink 1.12.4.</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>1.12.4<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_2.11<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.12.4<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_2.11<span class="nt"></artifactId></span> |
| </span></span><span class="line"><span class="cl"> <span class="nt"><version></span>1.12.4<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>Release Notes - Flink - Version 1.12.4</p> |
| <h2> Bug |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-17170'>FLINK-17170</a>] - Cannot stop streaming job with savepoint which uses kinesis consumer |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-20114'>FLINK-20114</a>] - Fix a few KafkaSource-related bugs |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-21181'>FLINK-21181</a>] - Buffer pool is destroyed error when outputting data over a timer after cancellation. |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22109'>FLINK-22109</a>] - Misleading exception message if the number of arguments of a nested function is incorrect |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22368'>FLINK-22368</a>] - UnalignedCheckpointITCase hangs on azure |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22424'>FLINK-22424</a>] - Writing to already released buffers potentially causing data corruption during job failover/cancellation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22438'>FLINK-22438</a>] - add numRecordsOut metric for Async IO |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22442'>FLINK-22442</a>] - Using scala api to change the TimeCharacteristic of the PatternStream is invalid |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22479'>FLINK-22479</a>] - [Kinesis][Consumer] Potential lock-up under error condition |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22489'>FLINK-22489</a>] - subtask backpressure indicator shows value for entire job |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22555'>FLINK-22555</a>] - LGPL-2.1 files in flink-python jars |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22557'>FLINK-22557</a>] - Japicmp fails on 1.12 branch |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22573'>FLINK-22573</a>] - AsyncIO can timeout elements after completion |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22577'>FLINK-22577</a>] - KubernetesLeaderElectionAndRetrievalITCase is failing |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22597'>FLINK-22597</a>] - JobMaster cannot be restarted |
| </li> |
| </ul> |
| <h2> Improvement |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-18952'>FLINK-18952</a>] - Add 10 minutes to DataStream API documentation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-20553'>FLINK-20553</a>] - Add end-to-end test case for new Kafka source |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22470'>FLINK-22470</a>] - The root cause of the exception encountered during compiling the job was not exposed to users in certain cases |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22539'>FLINK-22539</a>] - Restructure the Python dependency management documentation |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22544'>FLINK-22544</a>] - Add the missing documentation about the command line options for PyFlink |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/FLINK-22560'>FLINK-22560</a>] - Filter maven metadata from all jars |
| </li> |
| </ul> |
| </p> |
| </article> |
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