topic Re: NullPointerException while executing async service tasks in Alfresco Forum 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 moskalap 2018-05-24T06:31:59Z 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