Copy Predicate from a CriteriaQuery to another will cause QuerySyntaxException ------------------------------------------------------------------------------ Key: HHH-4603 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4603 Project: Hibernate Core Issue Type: Bug Components: entity-manager Affects Versions: 3.5.0-Beta-2 Reporter: zhouyanming I build a CriteriaQuery and I want count it before fetch data for pagination,so I need create a new CriteriaQuery for counting. public long countByCriteria(CriteriaQuery cq) { CriteriaBuilder cb = getCriteriaBuilder(); CriteriaQuery count = cb.createQuery(Long.class); Root<T> root = count.from(cq.getResultType()); EntityType<T> entityType = metamodel.entity(cq.getResultType()); Expression idExpression = root.get(entityType.getSingularAttribute("id")); count.select(cb.count(idExpression)); count.where(cq.getRestriction()); //here will cause exception TypedQuery<Long> tq = em.createQuery(count); return tq.getSingleResult(); } @Test public void testCountByCriteria() { CriteriaBuilder cb = getCriteriaBuilder(); CriteriaQuery<User> cq = cb.criteriaQuery(User.class); Root<User> root = cq.from(User.class); EntityType<User> entityType = getMetamodel().entity(User.class); Expression expression = root.get(entityType.getSingularAttribute("username")); Predicate condition = cb.equal(expression, "admin"); cq.where(condition); assertTrue(baseManager.countByCriteria(cq) > 0); } Caused by: java.lang.IllegalArgumentException: org.hibernate.hql.ast.QuerySyntaxException: Invalid path: 'generatedAlias1.username' [select count(generatedAlias0.id) from model.User as generatedAlias0 where generatedAlias1.username=:param0] at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:855) at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:138) at org.hibernate.ejb.criteria.CriteriaQueryCompiler.compile(CriteriaQueryCompiler.java:104) at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:148) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.orm.jpa.JpaTemplate$CloseSuppressingInvocationHandler.invoke(JpaTemplate.java:404) ... 38 more Caused by: org.hibernate.hql.ast.QuerySyntaxException: Invalid path: 'generatedAlias1.username' [select count(generatedAlias0.id) from model.User as generatedAlias0 where generatedAlias1.username=:param0] at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:54) at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:47) at org.hibernate.hql.ast.ErrorCounter.throwQueryException(ErrorCounter.java:82) at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:261) at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185) at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136) at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101) at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80) at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:98) at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156) at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135) at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1761) at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:123) ... 48 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira