Parallel split gateway and 2 end events - bug?

tomasz_lewandow — Wed, 14 May 2014 12:03:47 GMT

I have a simple process with parallel gateway with 2 outgoing flows, each ending with different end event.Process diagram: https://drive.google.com/file/d/0B3SW4GfzebTkNm1ERFV0OGJVMHc/edit?usp=sharingProcess ends with NPE because first end event deletes both concurrent executions, then second end ev

Re: Parallel split gateway and 2 end events - bug?

tomasz_lewandow — Wed, 14 May 2014 12:51:16 GMT

NPE is:

<code>
2319 [pool-1-thread-1] ERROR org.activiti.engine.impl.interceptor.CommandContext - Error while closing command context
org.activiti.engine.ActivitiException: Job 8908 failed
at org.activiti.engine.impl.cmd.ExecuteJobsCmd.execute(ExecuteJobsCmd.java:83)
at org.activiti.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:24)
at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:57)
at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:37)
at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)
at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)
at org.activiti.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:46)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:34)
at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:88)
at org.activiti.engine.impl.jobexecutor.AsyncContinuationJobHandler.execute(AsyncContinuationJobHandler.java:36)
at org.activiti.engine.impl.persistence.entity.JobEntity.execute(JobEntity.java:79)
at org.activiti.engine.impl.persistence.entity.MessageEntity.execute(MessageEntity.java:29)
at org.activiti.engine.impl.cmd.ExecuteJobsCmd.execute(ExecuteJobsCmd.java:71)
</code>

Re: Parallel split gateway and 2 end events - bug?

trademak — Wed, 14 May 2014 19:20:14 GMT

That's correct, but you are using asynchronous script tasks it seems, is that correct? If you don't use asynchronous script tasks is the result still the same? The problem with asynchronous script tasks is that they can be executed at the same time. The best practice would be to add a parallel join gateway after the two script tasks.

Best regards,

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Parallel split gateway and 2 end events - bug?

Re: Parallel split gateway and 2 end events - bug?

Re: Parallel split gateway and 2 end events - bug?