I have two bean classes(classNo,classname),student(studentID,classNo) there relaitonship is one2many
but when I try to create a class create(111,myclass) something is wrong:
10:21:15,899 ERROR [LogInterceptor] TransactionRolledbackLocalException, causedBy:
java.lang.NullPointerException
at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.createBeanClassInstance(JDBCStoreManager.java:513)
at org.jboss.ejb.plugins.CMPPersistenceManager.createBeanClassInstance(CMPPersistenceManager.java:165)
at org.jboss.ejb.EntityContainer.createBeanClassInstance(EntityContainer.java... ...
