Salvatore Loria [https://community.jboss.org/people/slash17] created the discussion "Re: jBPM 5.2 set process instance variable from java - NullPointerException" To view the discussion, visit: https://community.jboss.org/message/733626#733626 -------------------------------------------------------------- I found a solution. The problem is that I was not using transactions... Just surround my code in a tm.begin() and tm.commit() and it works fine. I get my tm using the jboss tm locator: TransactionManager tm = TransactionManagerLocator.locateTransactionManager(); tm.begin(); // get and set variables here tm.commit(); Is this the right way to go? -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/733626#733626] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]