[Bug] Empty class member cause NullpointerException #4770
Description
Search before asking
- I had searched in the issues and found no similar issues.
Environment
Mac
EventMesh version
master
What happened
Runtime（Storage：Local Rocketmq ） + Http Source Connector
请求的路径应该是：curl发送请求->CloudEvent->ConnectRecord-> runtime(storage)
然后我发现是在CloudEvent->ConnectRecord转化的过程中position属性为null：
但是关于消息写入的offset和partition这些属性 应该是由storage的相关模块写入，但是我在CloudEventUtil里看到了关于这个的todo？
How to reproduce
run Runtime（Storage：Local Rocketmq ） + Http Source Connector
Debug logs
2024-02-16 00:11:21,099 DEBUG [vert.x-eventloop-thread-0] ZlibCodecFactory(ZlibCodecFactory.java:39) - -Dio.netty.noJdkZlibDecoder: false
2024-02-16 00:11:21,099 DEBUG [vert.x-eventloop-thread-0] ZlibCodecFactory(ZlibCodecFactory.java:42) - -Dio.netty.noJdkZlibEncoder: false
2024-02-16 00:11:21,170 INFO [vert.x-eventloop-thread-0] HttpSourceConnector(HttpSourceConnector.java:100) - [HttpSourceConnector] Succeed to convert payload into CloudEvent. StatusCode=200
2024-02-16 00:11:21,174 INFO [pool-3-thread-1] CloudEventUtil(CloudEventUtil.java:69) - handle receive events testdata
Exception in thread "pool-2-thread-1" java.lang.NullPointerException
at org.apache.eventmesh.openconnect.offsetmgmt.api.storage.OffsetStorageWriterImpl.writeOffset(OffsetStorageWriterImpl.java:57)
at java.util.HashMap.forEach(HashMap.java:1290)
at java.util.Collections$UnmodifiableMap.forEach(Collections.java:1507)
at org.apache.eventmesh.openconnect.SourceWorker.commitOffsets(SourceWorker.java:346)
at org.apache.eventmesh.openconnect.SourceWorker.startPollAndSend(SourceWorker.java:219)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)Are you willing to submit PR?
- Yes I am willing to submit a PR!
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