[jboss-user] [jBPM] - Re: how to setVariable

johennes fan [https://community.jboss.org/people/johennes] created the discussion "Re: how to setVariable" To view the discussion, visit: https://community.jboss.org/message/776286#776286 -------------------------------------------------------------- I use TOMCAT6（this cannot be changed）+MYSQL+JBPM5.3 my stacktrace: java.lang.NullPointerException           at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:67)           at org.jbpm.process.instance.impl.ProcessInstanceImpl.getContextInstance(ProcessInstanceImpl.java:127)           at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setVariable(WorkflowProcessInstanceImpl.java:238) it is the same of https://community.jboss.org/people/jdantas9 Juliano Dantas's -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/776286#776286] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]