[GitHub] [rocketmq] RapperCL opened a new issue, #5424: Null exception and array overflow bug exist in getHalfMsg method

Sat, 29 Oct 2022 20:58:09 -0700 


RapperCL opened a new issue, #5424:
URL: https://github.com/apache/rocketmq/issues/5424

   Null exception and array overflow bug exist in getHalfMsg method
   
path:org.apache.rocketmq.broker.transaction.queue.TransactionalMessageServiceImpl
   
![image](https://user-images.githubusercontent.com/44110731/198861853-317b52d3-bb7b-44e6-a65d-410e203be1e7.png)
   
   Null Exception:
   the pullHalfMsg method will return null；
   result.getMsgFoundList method will result in null exception;
   for example: pullHalfMsg->getHalfMessage->getMessage
   
![image](https://user-images.githubusercontent.com/44110731/198861860-d17bf43a-0f1d-4d6e-b6d3-f568709ca084.png)
   
   
   Array overflow:
   result.getMsgFoundList() has two cases: null and size=0. 
   When size = 0, getResult.setMsg(messageExts.get(0)) will cause the array to 
overflow
   pullHalfMsg->getHalfMessage->getMessage
   
![image](https://user-images.githubusercontent.com/44110731/198861880-e0cdf86b-8323-4b7e-b05c-aa209fab5924.png)
   
   
   
   


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