Hi everyone. :) I develop a EJB jar by using JBuilder 2005 and Websphere5.1. But I got some exceptions when i rebuilt the EJB jar file . and when i searching the internet, I can't found article this kind of exceptions ================================================== "AcntDecisionMgt.jar": [*Error] An unexpected exception was thrown. Halting execution. Shutting down workbench. Error generating Create query for bean DecisionDetail (Abstract schema name=DecisionDetail). Error=inptDt in DecisionMaster requires either a composer or converter to be defined "AcntDecisionMgt.jar": executeEjbDeployCommandLine() Unable to execute EJBDeploy. ================================================== thanks in advance .