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+ <!-- The above 3 meta tags *must* come first in the head; any other head
content must come *after* these tags -->
+ <title>Apache Flink: Apache Flink 1.4.1 Released</title>
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+ <link rel="icon" href="/favicon.ico" type="image/x-icon">
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+ <h1>Apache Flink 1.4.1 Released</h1>
+
+ <article>
+ <p>15 Feb 2018</p>
+
+<p>The Apache Flink community released the first bugfix version of the Apache
Flink 1.4 series.</p>
+
+<p>This release includes more than 60 fixes and minor improvements for Flink
1.4.0. The list below includes a detailed list of all fixes.</p>
+
+<p>We highly recommend all users to upgrade to Flink 1.4.1.</p>
+
+<p>Updated Maven dependencies:</p>
+
+<div class="highlight"><pre><code class="language-xml"><span
class="nt"><dependency></span>
+ <span class="nt"><groupId></span>org.apache.flink<span
class="nt"></groupId></span>
+ <span class="nt"><artifactId></span>flink-java<span
class="nt"></artifactId></span>
+ <span class="nt"><version></span>1.4.1<span
class="nt"></version></span>
+<span class="nt"></dependency></span>
+<span class="nt"><dependency></span>
+ <span class="nt"><groupId></span>org.apache.flink<span
class="nt"></groupId></span>
+ <span class="nt"><artifactId></span>flink-streaming-java_2.11<span
class="nt"></artifactId></span>
+ <span class="nt"><version></span>1.4.1<span
class="nt"></version></span>
+<span class="nt"></dependency></span>
+<span class="nt"><dependency></span>
+ <span class="nt"><groupId></span>org.apache.flink<span
class="nt"></groupId></span>
+ <span class="nt"><artifactId></span>flink-clients_2.11<span
class="nt"></artifactId></span>
+ <span class="nt"><version></span>1.4.1<span
class="nt"></version></span>
+<span class="nt"></dependency></span></code></pre></div>
+
+<p>You can find the binaries on the updated <a
href="http://flink.apache.org/downloads.html";>Downloads page</a>.</p>
+
+<p>List of resolved issues:</p>
+
+<h2> Sub-task
+</h2>
+<ul>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-6321";>FLINK-6321</a>] -
RocksDB state backend Checkpointing is not working with KeyedCEP.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-7499";>FLINK-7499</a>] -
double buffer release in SpillableSubpartitionView
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-7756";>FLINK-7756</a>] -
RocksDB state backend Checkpointing (Async and Incremental) is not working
with CEP.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-7760";>FLINK-7760</a>] -
Restore failing from external checkpointing metadata.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8323";>FLINK-8323</a>] -
Fix Mod scala function bug
+</li>
+</ul>
+
+<h2> Bug
+</h2>
+<ul>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-5506";>FLINK-5506</a>] -
Java 8 - CommunityDetection.java:158 - java.lang.NullPointerException
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-6951";>FLINK-6951</a>] -
Incompatible versions of httpcomponents jars for Flink kinesis connector
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-7949";>FLINK-7949</a>] -
AsyncWaitOperator is not restarting when queue is full
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8145";>FLINK-8145</a>] -
IOManagerAsync not properly shut down in various tests
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8200";>FLINK-8200</a>] -
RocksDBAsyncSnapshotTest should use temp fold instead of fold with fixed name
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8226";>FLINK-8226</a>] -
Dangling reference generated after NFA clean up timed out SharedBufferEntry
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8230";>FLINK-8230</a>] -
NPE in OrcRowInputFormat on nested structs
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8235";>FLINK-8235</a>] -
Cannot run spotbugs for single module
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8242";>FLINK-8242</a>] -
ClassCastException in OrcTableSource.toOrcPredicate
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8248";>FLINK-8248</a>] -
RocksDB state backend Checkpointing is not working with KeyedCEP in 1.4
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8249";>FLINK-8249</a>] -
Kinesis Producer didnt configure region
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8261";>FLINK-8261</a>] -
Typos in the shading exclusion for jsr305 in the quickstarts
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8263";>FLINK-8263</a>] -
Wrong packaging of flink-core in scala quickstarty
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8265";>FLINK-8265</a>] -
Missing jackson dependency for flink-mesos
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8270";>FLINK-8270</a>] -
TaskManagers do not use correct local path for shipped Keytab files in Yarn
deployment modes
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8275";>FLINK-8275</a>] -
Flink YARN deployment with Kerberos enabled not working
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8278";>FLINK-8278</a>] -
Scala examples in Metric documentation do not compile
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8283";>FLINK-8283</a>] -
FlinkKafkaConsumerBase failing on Travis with no output in 10min
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8295";>FLINK-8295</a>] -
Netty shading does not work properly
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8306";>FLINK-8306</a>] -
FlinkKafkaConsumerBaseTest has invalid mocks on final methods
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8318";>FLINK-8318</a>] -
Conflict jackson library with ElasticSearch connector
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8325";>FLINK-8325</a>] -
Add COUNT AGG support constant parameter, i.e. COUNT(*), COUNT(1)
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8352";>FLINK-8352</a>] -
Flink UI Reports No Error on Job Submission Failures
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8355";>FLINK-8355</a>] -
DataSet Should not union a NULL row for AGG without GROUP BY clause.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8371";>FLINK-8371</a>] -
Buffers are not recycled in a non-spilled SpillableSubpartition upon release
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8398";>FLINK-8398</a>] -
Stabilize flaky KinesisDataFetcherTests
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8406";>FLINK-8406</a>] -
BucketingSink does not detect hadoop file systems
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8409";>FLINK-8409</a>] -
Race condition in KafkaConsumerThread leads to potential NPE
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8419";>FLINK-8419</a>] -
Kafka consumer's offset metrics are not registered for dynamically
discovered partitions
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8421";>FLINK-8421</a>] -
HeapInternalTimerService should reconfigure compatible key / namespace
serializers on restore
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8433";>FLINK-8433</a>] -
Update code example for "Managed Operator State" documentation
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8461";>FLINK-8461</a>] -
Wrong logger configurations for shaded Netty
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8466";>FLINK-8466</a>] -
ErrorInfo needs to hold Exception as SerializedThrowable
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8484";>FLINK-8484</a>] -
Kinesis consumer re-reads closed shards on job restart
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8485";>FLINK-8485</a>] -
Running Flink inside Intellij no longer works after upgrading from 1.3.2 to
1.4.0
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8489";>FLINK-8489</a>] -
Data is not emitted by second ElasticSearch connector
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8496";>FLINK-8496</a>] -
WebUI does not display TM MemorySegment metrics
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8499";>FLINK-8499</a>] -
Kryo must not be child-first loaded
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8522";>FLINK-8522</a>] -
DefaultOperatorStateBackend writes data in checkpoint that is never read.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8559";>FLINK-8559</a>] -
Exceptions in RocksDBIncrementalSnapshotOperation#takeSnapshot cause job to
get stuck
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8561";>FLINK-8561</a>] -
SharedBuffer line 573 uses == to compare BufferEntries instead of .equals.
+</li>
+</ul>
+
+<h2> Improvement
+</h2>
+<ul>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8079";>FLINK-8079</a>] -
Skip remaining E2E tests if one failed
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8202";>FLINK-8202</a>] -
Update queryable section on configuration page
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8243";>FLINK-8243</a>] -
OrcTableSource should recursively read all files in nested directories of the
input path.
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8260";>FLINK-8260</a>] -
Document API of Kafka 0.11 Producer
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8264";>FLINK-8264</a>] -
Add Scala to the parent-first loading patterns
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8271";>FLINK-8271</a>] -
upgrade from deprecated classes to AmazonKinesis
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8287";>FLINK-8287</a>] -
Flink Kafka Producer docs should clearly state what partitioner is used by
default
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8296";>FLINK-8296</a>] -
Rework FlinkKafkaConsumerBestTest to not use Java reflection for dependency
injection
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8346";>FLINK-8346</a>] -
add S3 signature v4 workaround to docs
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8362";>FLINK-8362</a>] -
Shade Elasticsearch dependencies away
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8455";>FLINK-8455</a>] -
Add Hadoop to the parent-first loading patterns
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8473";>FLINK-8473</a>] -
JarListHandler may fail with NPE if directory is deleted
+</li>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8571";>FLINK-8571</a>] -
Provide an enhanced KeyedStream implementation to use ForwardPartitioner
+</li>
+</ul>
+
+<h2> Test
+</h2>
+<ul>
+<li>[<a
href="https://issues.apache.org/jira/browse/FLINK-8472";>FLINK-8472</a>] -
Extend migration tests for Flink 1.4
+</li>
+</ul>
+
+ </article>
+ </div>
+
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+ <div class="footer text-center col-sm-12">
+ <p>Copyright © 2014-2017 <a href="http://apache.org";>The Apache
Software Foundation</a>. All Rights Reserved.</p>
+ <p>Apache Flink, Flink®, Apache®, the squirrel logo, and the Apache
feather logo are either registered trademarks or trademarks of The Apache
Software Foundation.</p>
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