Valentyn Tymofieiev created BEAM-13453:
------------------------------------------

             Summary: 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


{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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