User development, A new message was posted in the thread "Error changing value of Lob variable at jBPM 4.x": http://community.jboss.org/message/519500#519500 Author : Joram Barrez Profile : http://community.jboss.org/people/jbarrez Message: -------------------------------------------------------------- But the exception you're getting is thrown when an id block is acquired.   This is strange, because this is definitely tested in our QA. Can you give more specifics on when this error occurs? -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/519500#519500