Hello,

 I´m using pache Geronimo 2.0.2 and I´ve created a MySQL database pool with
driver mysql-connector-java/3.1.13 and also I´ve tryied with driver 
mysql-connector-java/5.1.5

When I try to use in ejbs, I obtain an exception like this:

<openjpa-1.0.0-r420667:568756 fatal general error>
org.apache.openjpa.persistence.PersistenceException: null
        at
org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:101)
        at
org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:569)
        at
org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1221)
        at
org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:467)
        at
org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:392)
        at
org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:102)
        at 
org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:82)
        at
org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:857)
        at
org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:852)
        at
org.apache.openjpa.kernel.AbstractBrokerFactory.makeReadOnly(AbstractBrokerFactory.java:628)
        at
org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:169)
        at
org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:142)
        at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:192)
        at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:145)
        at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:56)
        at TeamBean.findByPrimaryKey(TeamBean.java:20)
        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:585)
        at
org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:146)
        at
org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:129)
        at
org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
        at
org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:203)
        at
org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
        at
org.apache.openejb.server.ejbd.EjbRequestHandler.doEjbObject_BUSINESS_METHOD(EjbRequestHandler.java:212)
        at
org.apache.openejb.server.ejbd.EjbRequestHandler.processRequest(EjbRequestHandler.java:120)
        at
org.apache.openejb.server.ejbd.EjbDaemon.processEjbRequest(EjbDaemon.java:164)
        at org.apache.openejb.server.ejbd.EjbDaemon.service(EjbDaemon.java:122)
        at org.apache.openejb.server.ejbd.EjbDaemon.service(EjbDaemon.java:84)
        at org.apache.openejb.server.ejbd.EjbServer.service(EjbServer.java:60)
        at 
org.apache.openejb.server.ServiceLogger.service(ServiceLogger.java:73)
        at
org.apache.openejb.server.ServiceAccessController.service(ServiceAccessController.java:55)
        at org.apache.openejb.server.ServiceDaemon$1.run(ServiceDaemon.java:117)
        at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException
        at 
org.tranql.connector.jdbc.DataSource.getConnection(DataSource.java:61)
        at
org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDataSource.java:106)
        at
org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDataSource.java:87)
        at
org.apache.openjpa.jdbc.sql.DBDictionaryFactory.newDBDictionary(DBDictionaryFactory.java:91)
        ... 34 more
Caused by: javax.resource.ResourceException: Unknown throwable when trying
to enlist connection in tx
        at
org.apache.geronimo.connector.outbound.TransactionEnlistingInterceptor.getConnection(TransactionEnlistingInterceptor.java:65)
        at
org.apache.geronimo.connector.outbound.TransactionCachingInterceptor.getConnection(TransactionCachingInterceptor.java:88)
        at
org.apache.geronimo.connector.outbound.ConnectionHandleInterceptor.getConnection(ConnectionHandleInterceptor.java:43)
        at
org.apache.geronimo.connector.outbound.TCCLInterceptor.getConnection(TCCLInterceptor.java:39)
        at
org.apache.geronimo.connector.outbound.ConnectionTrackingInterceptor.getConnection(ConnectionTrackingInterceptor.java:66)
        at
org.apache.geronimo.connector.outbound.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:87)
        at 
org.tranql.connector.jdbc.DataSource.getConnection(DataSource.java:56)
        ... 37 more
Caused by: java.lang.NullPointerException
        at
org.tranql.connector.jdbc.ManagedJDBCConnection.localTransactionStart(ManagedJDBCConnection.java:81)
        at
org.tranql.connector.AbstractManagedConnection$LocalTransactionImpl.begin(AbstractManagedConnection.java:189)
        at
org.apache.geronimo.connector.outbound.LocalXAResource.start(LocalXAResource.java:107)
        at
org.apache.geronimo.transaction.manager.TransactionImpl.enlistResource(TransactionImpl.java:208)
        at
org.apache.geronimo.connector.outbound.TransactionEnlistingInterceptor.getConnection(TransactionEnlistingInterceptor.java:54)
        ... 43 more
12:06:51,643 INFO  [Transaction] TX Required: setRollbackOnly() on
transaction [EMAIL PROTECTED]
12:06:51,643 INFO  [Transaction] TX Required: Rolling back transaction
[EMAIL PROTECTED]

Can you help me?



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