sunxiaojian commented on issue #234:
URL:
https://github.com/apache/rocketmq-connect/issues/234#issuecomment-1204835113
> **BUG REPORT**
>
> 1. Please describe the issue you observed:
>
> * What did you do (The steps to reproduce)?
>
> when I exec
`org.apache.rocketmq.connect.runtime.controller.standalone.StandaloneConnectController#start`
>
> then cause NPE
>
> >
>
> ```
> java.lang.NullPointerException
> at
org.apache.rocketmq.connect.runtime.service.ClusterManagementServiceImpl.start(ClusterManagementServiceImpl.java:90)
> at
org.apache.rocketmq.connect.runtime.controller.AbstractConnectController.start(AbstractConnectController.java:108)
> at
org.apache.rocketmq.connect.runtime.controller.standalone.StandaloneConnectController.start(StandaloneConnectController.java:53)
> at
org.apache.rocketmq.connect.runtime.controller.standalone.StandaloneConnectControllerTest.startTest(StandaloneConnectControllerTest.java:63)
> 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.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
org.mockito.internal.runners.DefaultInternalRunner$1$1.evaluate(DefaultInternalRunner.java:46)
> at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> 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.mockito.internal.runners.DefaultInternalRunner$1.run(DefaultInternalRunner.java:77)
> at
org.mockito.internal.runners.DefaultInternalRunner.run(DefaultInternalRunner.java:83)
> at
org.mockito.internal.runners.StrictRunner.run(StrictRunner.java:39)
> at
org.mockito.junit.MockitoJUnitRunner.run(MockitoJUnitRunner.java:163)
> ```
>
> The reason is that defaultMQPullConsumer is not initialized
>
> * What is expected to see?
>
> It do not occur NPE
>
> * What did you see instead?
>
> occur NPE
>
> 2. Please tell us about your environment:
>
> master
>
> 4. Other information (e.g. detailed explanation, logs, related issues,
suggestions on how to fix, etc):
>
> we can initialize before start
>
> In
`org.apache.rocketmq.connect.runtime.controller.AbstractConnectController#start`
>
> >
>
> ```
> @Override
> public void start() {
> clusterManagementService.initialize(connectConfig);
> clusterManagementService.start();
> configManagementService.start();
> positionManagementService.start();
> worker.start();
> connectStatsService.start();
> }
> ```
defaultMQPullConsumer
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