[jboss-user] [EJB 3.0] - javax.transaction.RollbackException

Hello, I am ramu i am getting following exception while deleting project object. org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected 1 And My piece of code is skillids ,bidIds are 2 ArrayLists Project deleteProject = manager.find(Project.class, projectId); BuyerRating buyerRating=deleteProject.getBuyerRating(); VendorRating vendorRating =deleteProject.getVendorRating(); if(buyerRating!=null) { Query deleteBuyerRatingQuery = manager.createQuery("delete from BuyerRating br where br.project_Id = :id "); deleteBuyerRatingQuery.setParameter("id",buyerRating.getProject_Id() ); deleteBuyerRatingQuery.executeUpdate(); manager.flush(); } if(vendorRating!=null) { Query deleteVendorRatingQuery = manager.createQuery("delete from VendorRating vr where vr.project_Id = :id1 "); deleteVendorRatingQuery.setParameter("id1",vendorRating.getProject_Id() ); deleteVendorRatingQuery.executeUpdate(); manager.flush(); } for(int i :bidIds ) { Bid child = manager.getReference (Bid.class,i ); Vendor vendor = child.getVendors(); vendor.getBids().remove(child); Project listParents = child.getProject(); listParents.getBids().remove(child); manager.remove(child); manager.flush(); } for(int j:skillIds ) { Skill s = manager.getReference(Skill.class, j); s.getProjects().remove(deleteProject); deleteProject.getSkills().remove(s); manager.flush(); } Project project = manager.merge(deleteProject); manager.remove(project); please tell me where i am doing mistake. Thanks KRamu View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4208539#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...