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From "Kai Feng Zhang (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1802) Named query throws exception but normal query works
Date Fri, 17 Sep 2010 03:19:32 GMT
Named query throws exception but normal query works
---------------------------------------------------

                 Key: OPENJPA-1802
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1802
             Project: OpenJPA
          Issue Type: Bug
          Components: query
    Affects Versions: 2.0.1
            Reporter: Kai Feng Zhang


I have a named query on PersonDb entity,

@NamedQuery(name = PersonDb.FINDBY_PERSONID, query = "select p from PersonDb p where p.id
= :id "),

Then I use following code to get person entity:

    Query q = entiyManager.createNamedQuery(PersonDb.FINDBY_PERSONID);
    // Query q = entiyManager.createQuery("select p from PersonDb p where p.id = :id");
    q.setParameter("id", uid);
    q.setFirstResult(0);
    q.setMaxResults(1);
    List<?> plist = q.getResultList();
    Person person = null;
    if (plist != null && !plist.isEmpty()) {
      person = (Person) plist.get(0);
    }

There is exception then. But if I use createQuery() as the commented line, it works, and person
is got from table.

The exception from name query is:

<openjpa-2.0.1-r422266:989424 nonfatal general error> org.apache.openjpa.persistence.PersistenceException:
org.apache.openjpa.util.Id cannot be cast to org.apache.openjpa.util.LongId
FailedObject: select p from PersonDb p where p.id = :id [java.lang.String]
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:986)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:885)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1030)
	at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:280)
	at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2344)
	at org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy.loadElement(RelationToManyInverseKeyFieldStrategy.java:90)
	at org.apache.openjpa.jdbc.meta.strats.RelationCollectionInverseKeyFieldStrategy.loadElement(RelationCollectionInverseKeyFieldStrategy.java:76)
	at org.apache.openjpa.jdbc.meta.strats.StoreCollectionFieldStrategy.load(StoreCollectionFieldStrategy.java:556)
	at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:934)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:691)
	at org.apache.openjpa.kernel.DelegatingStoreManager.load(DelegatingStoreManager.java:117)
	at org.apache.openjpa.kernel.ROPStoreManager.load(ROPStoreManager.java:78)
	at org.apache.openjpa.kernel.StateManagerImpl.loadFields(StateManagerImpl.java:3047)
	at org.apache.openjpa.kernel.StateManagerImpl.load(StateManagerImpl.java:451)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:973)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:885)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1030)
	at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:280)
	at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2344)
	at org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:274)
	at org.apache.openjpa.jdbc.kernel.InstanceResultObjectProvider.getResultObject(InstanceResultObjectProvider.java:59)
	at org.apache.openjpa.lib.rop.RangeResultObjectProvider.getResultObject(RangeResultObjectProvider.java:80)
	at org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
	at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1246)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:861)
	at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:792)
	at org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
	at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:288)
	at org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302)
	at org.apache.shindig.social.opensocial.jpa.test.PersonDbToJsonTest.getJohnDoe(PersonDbToJsonTest.java:125)
	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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.ClassCastException: org.apache.openjpa.util.Id cannot be cast to org.apache.openjpa.util.LongId
	at org.apache.shindig.social.opensocial.jpa.ListFieldDb.pcCopyKeyFieldsFromObjectId(ListFieldDb.java)
	at org.apache.shindig.social.opensocial.jpa.EmailDb.pcNewInstance(EmailDb.java)
	at org.apache.openjpa.enhance.PCRegistry.newInstance(PCRegistry.java:117)
	at org.apache.openjpa.kernel.StateManagerImpl.initialize(StateManagerImpl.java:322)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState(JDBCStoreManager.java:396)
	at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize(JDBCStoreManager.java:322)
	at org.apache.openjpa.kernel.DelegatingStoreManager.initialize(DelegatingStoreManager.java:112)
	at org.apache.openjpa.kernel.ROPStoreManager.initialize(ROPStoreManager.java:57)
	at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:1005)
	at org.apache.openjpa.kernel.BrokerImpl.find(BrokerImpl.java:963)
	... 54 more


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