Ok it seems my ActionHandler was wrong. But now another problem. It seems jBPM wants to log the exception in the database, and that tjis exception is too long for mysql column : 106375 [http-8080-Processor23] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: 22001 | 106375 [http-8080-Processor23] ERROR org.hibernate.util.JDBCExceptionReporter - Data truncation: Data too long for column 'EXCEPTION_' at row 1 | 01:54:05,734 ERROR WSCreerDemande:137 - error when processing creerDemande : org.jbpm.graph.def.DelegationException: could not insert: [org.jbpm.graph.log.ActionLog] | org.jbpm.graph.def.DelegationException: could not insert: [org.jbpm.graph.log.ActionLog] View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4228879#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...