naah69 opened a new issue #5311:
URL: https://github.com/apache/skywalking/issues/5311
Please answer these questions before submitting your issue.
- Why do you submit this issue?
- [x] Question or discussion
- [ ] Bug
- [ ] Requirement
- [ ] Feature or performance improvement
___
### Question
- What do you want to know?
why it throwed exception and what i will do can make it work.
___
### Bug
- Which version of SkyWalking, OS and JRE?
agent 8.10 , openjdk 8 ,rocketmq4.3
- Which company or project?
- What happened?
If possible, provide a way to reproduce the error. e.g. demo application,
component version.
i use sync send message in rocketmq,
it throw error and agent did't work ,don't send data to collector
```
ERROR 2020-08-14 14:47:48:750 AsyncSenderExecutor_1 InstMethodsInter :
class[class
org.apache.rocketmq.client.trace.AsyncTraceDispatcher$AsyncAppenderRequest$1]
before method[onException] intercept failure
java.lang.NullPointerException
at
org.apache.skywalking.apm.plugin.rocketMQ.v4.OnExceptionInterceptor.beforeMethod(OnExceptionInterceptor.java:42)
at
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:76)
at
org.apache.rocketmq.client.trace.AsyncTraceDispatcher$AsyncAppenderRequest$1.onException(AsyncTraceDispatcher.java)
at
org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl$4.run(DefaultMQProducerImpl.java:512)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
___
### Requirement or improvement
- Please describe your requirements or improvement suggestions.
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