[ 
https://issues.apache.org/jira/browse/BAHIR-231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

zl updated BAHIR-231:
---------------------
    Description: 
there are some problems with the test methods in 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.
 --------------------------------------------------------------------

*problem:* method amqTopologyWithQueue and amqTopologyWithTopic will never end

*reason:* the parallelism of flink task should set to 1
 --------------------------------------------------------------------

*problem:* method amqTopologyWithCheckpointing failed, here are the exception 
stack:
 java.lang.NullPointerException at 
org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.addId(MessageAcknowledgingSourceBase.java:197)
 at 
org.apache.flink.streaming.connectors.activemq.AMQSource.run(AMQSource.java:229)
 at 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase$3.run(ActiveMQConnectorITCase.java:189)
 at java.lang.Thread.run(Thread.java:748)
 java.lang.IllegalStateException: The AMQSource has not been properly 
initialized.
 at org.apache.flink.util.Preconditions.checkState(Preconditions.java:195) at 
org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.snapshotState(MessageAcknowledgingSourceBase.java:208)
 at 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.amqTopologyWithCheckpointing(ActiveMQConnectorITCase.java:203)
 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:50)
 at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
 at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
 at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
 at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at 
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at 
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at 
org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at 
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at 
org.junit.runner.JUnitCore.run(JUnitCore.java:137) at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
 at 
com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
 at 
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
 * 
 -- reason:* before calling snapshotState method, we should call snapshotState 
method first

  was:
there are some problems with the test methods in 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.
--------------------------------------------------------------------
*-* *problem:* method amqTopologyWithQueue and amqTopologyWithTopic will never 
end
*- reason:* the parallelism of flink task should set to 1
--------------------------------------------------------------------
*- problem:* method amqTopologyWithCheckpointing failed, here are the exception 
stack:
java.lang.NullPointerException at 
org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.addId(MessageAcknowledgingSourceBase.java:197)
 at 
org.apache.flink.streaming.connectors.activemq.AMQSource.run(AMQSource.java:229)
 at 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase$3.run(ActiveMQConnectorITCase.java:189)
 at java.lang.Thread.run(Thread.java:748)
java.lang.IllegalStateException: The AMQSource has not been properly 
initialized.
 at org.apache.flink.util.Preconditions.checkState(Preconditions.java:195) at 
org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.snapshotState(MessageAcknowledgingSourceBase.java:208)
 at 
org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.amqTopologyWithCheckpointing(ActiveMQConnectorITCase.java:203)
 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:50)
 at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
 at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
 at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
 at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at 
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at 
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at 
org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at 
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at 
org.junit.runner.JUnitCore.run(JUnitCore.java:137) at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
 at 
com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
 at 
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
*- reason:* before calling snapshotState method, we should call snapshotState 
method first


> unit test failed in ActiveMQConnectorITCase
> -------------------------------------------
>
>                 Key: BAHIR-231
>                 URL: https://issues.apache.org/jira/browse/BAHIR-231
>             Project: Bahir
>          Issue Type: Bug
>          Components: Flink Streaming Connectors
>    Affects Versions: Flink-1.0
>            Reporter: zl
>            Priority: Blocker
>
> there are some problems with the test methods in 
> org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.
>  --------------------------------------------------------------------
> *problem:* method amqTopologyWithQueue and amqTopologyWithTopic will never end
> *reason:* the parallelism of flink task should set to 1
>  --------------------------------------------------------------------
> *problem:* method amqTopologyWithCheckpointing failed, here are the exception 
> stack:
>  java.lang.NullPointerException at 
> org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.addId(MessageAcknowledgingSourceBase.java:197)
>  at 
> org.apache.flink.streaming.connectors.activemq.AMQSource.run(AMQSource.java:229)
>  at 
> org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase$3.run(ActiveMQConnectorITCase.java:189)
>  at java.lang.Thread.run(Thread.java:748)
>  java.lang.IllegalStateException: The AMQSource has not been properly 
> initialized.
>  at org.apache.flink.util.Preconditions.checkState(Preconditions.java:195) at 
> org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.snapshotState(MessageAcknowledgingSourceBase.java:208)
>  at 
> org.apache.flink.streaming.connectors.activemq.ActiveMQConnectorITCase.amqTopologyWithCheckpointing(ActiveMQConnectorITCase.java:203)
>  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:50)
>  at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>  at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>  at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>  at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at 
> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at 
> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at 
> org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at 
> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at 
> org.junit.runner.JUnitCore.run(JUnitCore.java:137) at 
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
>  at 
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
>  at 
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
>  at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
>  * 
>  -- reason:* before calling snapshotState method, we should call 
> snapshotState method first



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