topic NullPointerException in AtomicOperationTransitionDestroyScope.execute in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/nullpointerexception-in-atomicoperationtransitiondestroyscope/m-p/179384#M132514 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><SPAN>&nbsp; I have a flow where I am getting this exception when completing a task. The execution has a parent, but that parent process instance does not have a parent. So, it looks like execution.getParent() returns a non-null value but execution.getParent().getParent() returns null. I am using Activiti 5.17.</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE>Caused by: java.lang.NullPointerException<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:51)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:96)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:631)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:626)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:96)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:631)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:626)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:96)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:631)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:626)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:450)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:428)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.behavior.UserTaskActivityBehavior.signal(UserTaskActivityBehavior.java:147)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.ExecutionEntity.signal(ExecutionEntity.java:407)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.persistence.entity.TaskEntity.complete(TaskEntity.java:201)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:50)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:59)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:24)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:57)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47)<BR />&nbsp;&nbsp;&nbsp;at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)<BR />&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:175)<SPAN 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The execution has a parent, but that parent process instance does not have a parent. So, it looks like execution.getParent() returns a non-null value but execution.getParent().getParent() returns null. I am using Activit Thu, 07 May 2015 03:32:54 GMT https://connect.hyland.com/t5/alfresco-archive/nullpointerexception-in-atomicoperationtransitiondestroyscope/m-p/179384#M132514 nmandya 2015-05-07T03:32:54Z Re: NullPointerException in AtomicOperationTransitionDestroyScope.execute https://connect.hyland.com/t5/alfresco-archive/nullpointerexception-in-atomicoperationtransitiondestroyscope/m-p/179385#M132515 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><SPAN>could you implement jUnit test please?</SPAN><BR /><A href="http://forums.activiti.org/content/sticky-how-write-unit-test" rel="nofollow noopener noreferrer">http://forums.activiti.org/content/sticky-how-write-unit-test</A><BR /><BR /><SPAN>Regards</SPAN><BR /><SPAN>Martin</SPAN></BODY></HTML> Mon, 11 May 2015 07:07:05 GMT https://connect.hyland.com/t5/alfresco-archive/nullpointerexception-in-atomicoperationtransitiondestroyscope/m-p/179385#M132515 martin_grofcik 2015-05-11T07:07:05Z