[ 
https://issues.apache.org/jira/browse/BEAM-13453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kenneth Knowles updated BEAM-13453:
-----------------------------------
    Priority: P1  (was: P2)

> Flake in org.apache.beam.sdk.io.mqtt.MqttIOTest.testReadObject: Address 
> already in use
> --------------------------------------------------------------------------------------
>
>                 Key: BEAM-13453
>                 URL: https://issues.apache.org/jira/browse/BEAM-13453
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-mqtt
>            Reporter: Valentyn Tymofieiev
>            Priority: P1
>              Labels: flake
>
> {noformat}
> org.apache.beam.sdk.io.mqtt.MqttIOTest.testReadObject
> Failing for the past 1 build (Since #4376 )
> Took 8 sec.
> Error Message
> java.io.IOException: Failed to bind to server socket: mqtt://localhost:38845 
> due to: java.net.BindException: Address already in use (Bind failed)
> Stacktrace
> java.io.IOException: Failed to bind to server socket: mqtt://localhost:38845 
> due to: java.net.BindException: Address already in use (Bind failed)
>       at 
> org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:34)
>       at 
> org.apache.activemq.transport.tcp.TcpTransportServer.bind(TcpTransportServer.java:143)
>       at 
> org.apache.activemq.transport.tcp.TcpTransportFactory.doBind(TcpTransportFactory.java:62)
>       at 
> org.apache.activemq.transport.TransportFactorySupport.bind(TransportFactorySupport.java:40)
>       at 
> org.apache.activemq.broker.BrokerService.createTransportConnector(BrokerService.java:2478)
>       at 
> org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:338)
>       at 
> org.apache.activemq.broker.BrokerService.addConnector(BrokerService.java:328)
>       at 
> org.apache.beam.sdk.io.mqtt.MqttIOTest.startBroker(MqttIOTest.java:77)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>       at 
> org.junit.internal.runners.statements.RunBefores.invokeMethod(RunBefores.java:33)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at 
> org.apache.beam.sdk.testing.TestPipeline$1.evaluate(TestPipeline.java:323)
>       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
>       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
>       at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
>       at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
>       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38)
>       at 
> org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:62)
>       at 
> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
>       at 
> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
>       at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
>       at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:119)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
>       at 
> org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
>       at 
> org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
>       at 
> org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
>       at 
> org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at 
> org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
>       at java.lang.Thread.run(Thread.java:748)
> Caused by: java.net.BindException: Address already in use (Bind failed)
>       at java.net.PlainSocketImpl.socketBind(Native Method)
>       at 
> java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:387)
>       at java.net.ServerSocket.bind(ServerSocket.java:390)
>       at java.net.ServerSocket.<init>(ServerSocket.java:252)
>       at 
> javax.net.DefaultServerSocketFactory.createServerSocket(ServerSocketFactory.java:231)
>       at 
> org.apache.activemq.transport.tcp.TcpTransportServer.bind(TcpTransportServer.java:140)
>       ... 59 more
> Standard Error
> Dec 13, 2021 10:17:02 PM org.apache.beam.sdk.io.mqtt.MqttIOTest startBroker
> INFO: Starting ActiveMQ brokerService on 38845
> Dec 13, 2021 10:17:02 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, null) is shutting down
> Dec 13, 2021 10:17:02 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, null) is shutdown
> Dec 13, 2021 10:17:02 PM org.apache.beam.sdk.io.mqtt.MqttIOTest startBroker
> INFO: Starting ActiveMQ brokerService on 36981
> Dec 13, 2021 10:17:03 PM org.apache.activemq.broker.BrokerService 
> doStartPersistenceAdapter
> INFO: Using Persistence Adapter: MemoryPersistenceAdapter
> Dec 13, 2021 10:17:03 PM org.apache.activemq.broker.jmx.ManagementContext$1 
> run
> INFO: JMX consoles can connect to 
> service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi
> Dec 13, 2021 10:17:04 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:1) is starting
> Dec 13, 2021 10:17:04 PM 
> org.apache.activemq.transport.TransportServerThreadSupport doStart
> INFO: Listening for connections at: mqtt://localhost:36981
> Dec 13, 2021 10:17:04 PM org.apache.activemq.broker.TransportConnector start
> INFO: Connector mqtt://localhost:36981 started
> Dec 13, 2021 10:17:04 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:1) started
> Dec 13, 2021 10:17:04 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: For help or more information please see: http://activemq.apache.org
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:1) is shutting down
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.TransportConnector stop
> INFO: Connector mqtt://localhost:36981 stopped
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:1) uptime 15.281 seconds
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:1) is shutdown
> Dec 13, 2021 10:17:18 PM org.apache.beam.sdk.io.mqtt.MqttIOTest startBroker
> INFO: Starting ActiveMQ brokerService on 45689
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService 
> doStartPersistenceAdapter
> INFO: Using Persistence Adapter: MemoryPersistenceAdapter
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:2) is starting
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.jmx.ManagementContext$1 
> run
> INFO: JMX consoles can connect to 
> service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi
> Dec 13, 2021 10:17:18 PM 
> org.apache.activemq.transport.TransportServerThreadSupport doStart
> INFO: Listening for connections at: mqtt://localhost:45689
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.TransportConnector start
> INFO: Connector mqtt://localhost:45689 started
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:2) started
> Dec 13, 2021 10:17:18 PM org.apache.activemq.broker.BrokerService 
> doStartBroker
> INFO: For help or more information please see: http://activemq.apache.org
> Dec 13, 2021 10:17:18 PM org.apache.beam.sdk.coders.SerializableCoder 
> checkEqualsMethodDefined
> WARNING: Can't verify serialized elements of type Shard have well defined 
> equals method. This may produce incorrect results on some PipelineRunner
> Dec 13, 2021 10:17:19 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@2c541ea7, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:19 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@52c00c96, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:19 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@2730c42b, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:19 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@52c00c96, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7a8ba45e, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7a8ba45e, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7a8ba45e, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7c7843b3, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7c7843b3,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:20 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@7c7843b3, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> [TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4f0ed6fe,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)]}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4f0ed6fe,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> [TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4f0ed6fe,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)]}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@1d6ae5ef,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@1d6ae5ef,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:21 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@1d6ae5ef,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@2cfdbf6a,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@2cfdbf6a, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> TimestampedValue(Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@2cfdbf6a,
>  maxNumRecords=9223372036854775807, maxReadTime=PT2S}, 
> -290308-12-21T19:59:05.225Z)}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4776c1e9, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4776c1e9, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:22 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.KvCoder has a 
> #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element KV{171548182, 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@4776c1e9, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}}
> Dec 13, 2021 10:17:24 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@3be221aa, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:24 PM 
> org.apache.beam.sdk.util.MutationDetectors$CodedValueMutationDetector 
> verifyUnmodifiedThrowingCheckedExceptions
> WARNING: Coder of type class org.apache.beam.sdk.coders.SerializableCoder has 
> a #structuralValue method which does not return true when the encoding of the 
> elements is equal. Element 
> Shard{source=org.apache.beam.sdk.io.mqtt.MqttIO$UnboundedMqttSource@3be221aa, 
> maxNumRecords=9223372036854775807, maxReadTime=PT2S}
> Dec 13, 2021 10:17:24 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:2) is shutting down
> Dec 13, 2021 10:17:24 PM org.apache.activemq.broker.TransportConnector stop
> INFO: Connector mqtt://localhost:45689 stopped
> Dec 13, 2021 10:17:24 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:2) uptime 6.314 seconds
> Dec 13, 2021 10:17:24 PM org.apache.activemq.broker.BrokerService stop
> INFO: Apache ActiveMQ 5.14.5 (localhost, 
> ID:apache-ci-beam-jenkins-3-34821-1639433823589-0:2) is shutdown
> {noformat}



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