topic NullPointerException while executing async service tasks in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/nullpointerexception-while-executing-async-service-tasks/m-p/13581#M6011 <HTML><HEAD></HEAD><BODY><P>I am trying to execute following process:</P><P><A class="link-titled" href="https://pastebin.com/djg1hj3s" title="https://pastebin.com/djg1hj3s" rel="nofollow noopener noreferrer">[XML] &lt;definitions xmlns="http://www.omg.org/s - Pastebin.com</A>&nbsp;</P><P>and all of those service tasks are being finished, but at the end the main process crashes with following exception:</P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><P>2:17:10,644 ERROR [org.activiti.engine.impl.asyncexecutor.ExecuteAsyncRunnable] (pool-8-thread-2) Job 927744 failed: java.lang.NullPointerException<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:96)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.jobexecutor.AsyncContinuationJobHandler.execute(AsyncContinuationJobHandler.java:35)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.persistence.entity.JobEntity.execute(JobEntity.java:85)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.persistence.entity.MessageEntity.execute(MessageEntity.java:34)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.cmd.ExecuteAsyncJobCmd.execute(ExecuteAsyncJobCmd.java:52)<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$1.doInTransaction(SpringTransactionInterceptor.java:47)<BR />&nbsp;&nbsp; &nbsp;at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)<BR />&nbsp;&nbsp; &nbsp;at org.activiti.engine.impl.asyncexecutor.ExecuteAsyncRunnable.run(ExecuteAsyncRunnable.java:69)<BR />&nbsp;&nbsp; &nbsp;at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)<BR />&nbsp;&nbsp; &nbsp;at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)<BR />&nbsp;&nbsp; &nbsp;at java.lang.Thread.run(Unknown Source)</P></BLOCKQUOTE><P>Is this XML correct? How to fix this NP issue?</P></BODY></HTML> Wed, 23 May 2018 10:30:55 GMT moskalap 2018-05-23T10:30:55Z NullPointerException while executing async service tasks https://connect.hyland.com/t5/alfresco-forum/nullpointerexception-while-executing-async-service-tasks/m-p/13581#M6011 I am trying to execute following process:[XML] &lt;definitions xmlns="http://www.omg.org/s - Pastebin.com&nbsp;and all of those service tasks are being finished, but at the end the main process crashes with following exception:2:17:10,644 ERROR [org.activiti.engine.impl.asyncexecutor.ExecuteAsyncRunnable Wed, 23 May 2018 10:30:55 GMT https://connect.hyland.com/t5/alfresco-forum/nullpointerexception-while-executing-async-service-tasks/m-p/13581#M6011 moskalap 2018-05-23T10:30:55Z Re: NullPointerException while executing async service tasks https://connect.hyland.com/t5/alfresco-forum/nullpointerexception-while-executing-async-service-tasks/m-p/13582#M6012 <HTML><HEAD></HEAD><BODY><P>I solved the problem by adding parallel gateways before and after my asyncrhonous service tasks.</P></BODY></HTML> Thu, 24 May 2018 06:31:59 GMT https://connect.hyland.com/t5/alfresco-forum/nullpointerexception-while-executing-async-service-tasks/m-p/13582#M6012 moskalap 2018-05-24T06:31:59Z