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Posted to dev@openjpa.apache.org by "Rafal Rusin (JIRA)" <ji...@apache.org> on 2010/09/04 23:30:32 UTC

[jira] Resolved: (OPENJPA-1783) Can't use NamedQuery under OSGi

     [ https://issues.apache.org/jira/browse/OPENJPA-1783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rafal Rusin resolved OPENJPA-1783.
----------------------------------

    Resolution: Invalid

OK, I figured it out. The problem disappeared after updating thread classloader, like this:

diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF
index 7a2820c..1d126e1 100644
--- a/META-INF/MANIFEST.MF
+++ b/META-INF/MANIFEST.MF
@@ -9,6 +9,7 @@ Bundle-RequiredExecutionEnvironment: JavaSE-1.6
 Import-Package: javax.persistence,
  org.apache.openjpa.persistence;version="2.0.1",
  org.eclipse.osgi.framework.console,
+ org.h2;version="1.1.117",
  org.osgi.framework;version="1.3.0",
  org.osgi.util.tracker
 DynamicImport-Package: *
diff --git a/src/openjpa_example/PersonPersistenceImpl.java b/src/openjpa_example/PersonPersistenceImpl.java
index d3eb6e6..916378a 100644
--- a/src/openjpa_example/PersonPersistenceImpl.java
+++ b/src/openjpa_example/PersonPersistenceImpl.java
@@ -31,6 +31,8 @@ public class PersonPersistenceImpl implements PersonPersistence {
 	}
 
 	public void list() {
+		ClassLoader oldCL = Thread.currentThread().getContextClassLoader();
+		Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
 		EntityManager entityManager = entityManagerFactory.createEntityManager();
 		EntityTransaction transaction = entityManager.getTransaction();
 		try {
@@ -45,9 +47,12 @@ public class PersonPersistenceImpl implements PersonPersistence {
 			transaction.commit();
 			entityManager.close();
 		}
+		Thread.currentThread().setContextClassLoader(oldCL);
 	}
 
 	public void create(Person person) {
+		ClassLoader oldCL = Thread.currentThread().getContextClassLoader();
+		Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
 		EntityManager entityManager = entityManagerFactory.createEntityManager();
 		EntityTransaction transaction = entityManager.getTransaction();
 		try {
@@ -58,6 +63,7 @@ public class PersonPersistenceImpl implements PersonPersistence {
 			transaction.commit();
 			entityManager.close();			
 		}
+		Thread.currentThread().setContextClassLoader(oldCL);
 	}
 
 }

> Can't use NamedQuery under OSGi
> -------------------------------
>
>                 Key: OPENJPA-1783
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1783
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 2.0.1
>         Environment: equinox
>            Reporter: Rafal Rusin
>         Attachments: openjpa-example.tar, openjpa-example_1.0.0.201009042055.jar
>
>
> I tried to run named query under equinox osgi, but got this:
> osgi> start 157
> ble2
> Init JPA ok.
> 85  openjpa  WARN   [OSGi Console] openjpa.MetaData - The class "openjpa_example.Person" listed in the openjpa.MetaDataFactory configuration property could not be loaded by org.apache.openjpa.lib.util.MultiClassLoader@81b4ab2; ignoring.
> 93  openjpa  WARN   [OSGi Console] openjpa.MetaData - The class "openjpa_example.Person" listed in the openjpa.MetaDataFactory configuration property could not be loaded by org.apache.openjpa.lib.util.MultiClassLoader@3695640; ignoring.
> 109  openjpa  WARN   [OSGi Console] openjpa.MetaData - The class "openjpa_example.Person" listed in the openjpa.MetaDataFactory configuration property could not be loaded by org.apache.openjpa.lib.util.MultiClassLoader@81b4ab2; ignoring.
> 2010-09-04 22:31:49,047 DEBUG [o.s.o.e.i.s.NamespacePlugins] [ OSGi Console] Removing handler Openjpa-example (openjpa-example)
> org.osgi.framework.BundleException: Exception in openjpa_example.Activator.start() of bundle openjpa-example.
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:806)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
> 	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:279)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:271)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:252)
> 	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.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:157)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.runConsole(FrameworkConsole.java:142)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:106)
> 	at java.lang.Thread.run(Thread.java:619)
> Caused by: <openjpa-2.0.1-r422266:989424 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "select p from Person p". Error message: The name "Person" is not a recognized entity or identifier. Perhaps you meant Person, which is a close match. Known entity names: [Person]
> 	at org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:119)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getClassMetaData(JPQLExpressionBuilder.java:194)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.resolveClassMetaData(JPQLExpressionBuilder.java:167)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:242)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:212)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateType(JPQLExpressionBuilder.java:205)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.access$200(JPQLExpressionBuilder.java:81)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.populate(JPQLExpressionBuilder.java:2387)
> 	at org.apache.openjpa.kernel.jpql.JPQLParser.populate(JPQLParser.java:61)
> 	at org.apache.openjpa.kernel.ExpressionStoreQuery.populateFromCompilation(ExpressionStoreQuery.java:154)
> 	at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:671)
> 	at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:652)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:618)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:680)
> 	at org.apache.openjpa.kernel.QueryImpl.compile(QueryImpl.java:587)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1028)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:100)
> 	at openjpa_example.PersonPersistenceImpl.list(PersonPersistenceImpl.java:38)
> 	at openjpa_example.Activator.start(Activator.java:21)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
> 	... 14 more
> Nested Exception:
> <openjpa-2.0.1-r422266:989424 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "select p from Person p". Error message: The name "Person" is not a recognized entity or identifier. Perhaps you meant Person, which is a close match. Known entity names: [Person]
> 	at org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:119)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getClassMetaData(JPQLExpressionBuilder.java:194)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.resolveClassMetaData(JPQLExpressionBuilder.java:167)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:242)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:212)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateType(JPQLExpressionBuilder.java:205)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.access$200(JPQLExpressionBuilder.java:81)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.populate(JPQLExpressionBuilder.java:2387)
> 	at org.apache.openjpa.kernel.jpql.JPQLParser.populate(JPQLParser.java:61)
> 	at org.apache.openjpa.kernel.ExpressionStoreQuery.populateFromCompilation(ExpressionStoreQuery.java:154)
> 	at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:671)
> 	at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:652)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:618)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:680)
> 	at org.apache.openjpa.kernel.QueryImpl.compile(QueryImpl.java:587)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1028)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:100)
> 	at openjpa_example.PersonPersistenceImpl.list(PersonPersistenceImpl.java:38)
> 	at openjpa_example.Activator.start(Activator.java:21)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
> 	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:279)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:271)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:252)
> 	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.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:157)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.runConsole(FrameworkConsole.java:142)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:106)
> 	at java.lang.Thread.run(Thread.java:619)
> Nested Exception:
> <openjpa-2.0.1-r422266:989424 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "select p from Person p". Error message: The name "Person" is not a recognized entity or identifier. Perhaps you meant Person, which is a close match. Known entity names: [Person]
> 	at org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:119)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getClassMetaData(JPQLExpressionBuilder.java:194)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.resolveClassMetaData(JPQLExpressionBuilder.java:167)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:242)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateMetaData(JPQLExpressionBuilder.java:212)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getCandidateType(JPQLExpressionBuilder.java:205)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.access$200(JPQLExpressionBuilder.java:81)
> 	at org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.populate(JPQLExpressionBuilder.java:2387)
> 	at org.apache.openjpa.kernel.jpql.JPQLParser.populate(JPQLParser.java:61)
> 	at org.apache.openjpa.kernel.ExpressionStoreQuery.populateFromCompilation(ExpressionStoreQuery.java:154)
> 	at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:671)
> 	at org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:652)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:618)
> 	at org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:680)
> 	at org.apache.openjpa.kernel.QueryImpl.compile(QueryImpl.java:587)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1028)
> 	at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:100)
> 	at openjpa_example.PersonPersistenceImpl.list(PersonPersistenceImpl.java:38)
> 	at openjpa_example.Activator.start(Activator.java:21)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)
> 	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)
> 	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:279)
> 	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:271)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:252)
> 	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.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:155)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:157)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.runConsole(FrameworkConsole.java:142)
> 	at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:106)
> 	at java.lang.Thread.run(Thread.java:619)

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