[jboss-user] [Beginners Corner] - JBoss need to be restarted after redeploy

After starting JBoss and deploying an application, it works fine. But if I re-deploy the application without making any changes, I got the following exception while running the application: 18:08:59,519 ERROR [STDERR] Caused by: org.hibernate.PropertyAccessException: IllegalArgumentException occurred calling getter of package.Student.id 18:08:59,519 ERROR [STDERR] at org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:171) 18:08:59,519 ERROR [STDERR] at org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:183) 18:08:59,519 ERROR [STDERR] at org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3524) 18:08:59,529 ERROR [STDERR] at org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3240) 18:08:59,529 ERROR [STDERR] at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:181) 18:08:59,529 ERROR [STDERR] at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:218) 18:08:59,529 ERROR [STDERR] at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108) 18:08:59,529 ERROR [STDERR] at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:87) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.bindPositionalParameters(Loader.java:1513) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1575) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.doQuery(Loader.java:661) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.doList(Loader.java:2144) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2028) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.Loader.list(Loader.java:2023) 18:08:59,529 ERROR [STDERR] at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:95) 18:08:59,529 ERROR [STDERR] at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569) 18:08:59,529 ERROR [STDERR] at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283) 18:08:59,539 ERROR [STDERR] at org.hibernate.impl.CriteriaImpl.uniqueResult(CriteriaImpl.java:305) ---------- if I restart JBoss, everything works fine. What could be the problem? Thanks for help. Dave View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4027470#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...