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A Simple CMP Bean deployment problem in Bea WebLogic 8.0

 
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I have posted this in form Java > EJBs also
---------------------------------------------

Hi everybody:

I have followed the example AccountBean that comes with Bea Weblogic.

In the file "weblogic-cmp-rdbms-jar.xml" I have used the
JNDI name for Data Source for the tag "data-source-name.

For reference I giving below the xml files:-

ejb-jar.xml
------------
<?xml version="1.0"?>

<!DOCTYPE ejb-jar PUBLIC
"-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN"
"http://java.sun.com/dtd/ejb-jar_2_0.dtd">

<ejb-jar>
<enterprise-beans>
<entity>
<ejb-name>containerManaged</ejb-name>
<home>examples.ejb20.basic.containerManaged.AccountHome</home>
<remote>examples.ejb20.basic.containerManaged.Account</remote>
<ejb-class>examples.ejb20.basic.containerManaged.AccountBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.String</prim-key-class>
<reentrant>False</reentrant>
<cmp-version>2.x</cmp-version>
<abstract-schema-name>AccountBean</abstract-schema-name>
<cmp-field>
<field-name>accountId</field-name>
</cmp-field>
<cmp-field>
<field-name>balance</field-name>
</cmp-field>
<cmp-field>
<field-name>accountType</field-name>
</cmp-field>
<primkey-field>accountId</primkey-field>
<query>
<query-method>
<method-name>findBigAccounts</method-name>
<method-params>
<method-param>double</method-param>
</method-params>
</query-method>
<ejb-ql>
<![CDATA[SELECT OBJECT(a) FROM AccountBean AS a WHERE a.balance > ?1]]>
</ejb-ql>
</query>
<query>
<query-method>
<method-name>findAccount</method-name>
<method-params>
<method-param>double</method-param>
</method-params>
</query-method>
<ejb-ql>
<![CDATA[SELECT OBJECT(a) FROM AccountBean AS a WHERE a.balance = ?1]]>
</ejb-ql>
</query>
<query>
<query-method>
<method-name>findNullAccounts</method-name>
<method-params>
</method-params>
</query-method>
<ejb-ql>
<![CDATA[SELECT OBJECT(a) FROM AccountBean AS a WHERE a.accountType IS NULL]]>
</ejb-ql>
</query>
</entity>
</enterprise-beans>

<assembly-descriptor>
<container-transaction>
<method>
<ejb-name>containerManaged</ejb-name>
<method-name>*</method-name>
</method>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>

weblogic-ejb-jar.xml
-----------------------
<?xml version="1.0"?>

<!DOCTYPE weblogic-ejb-jar PUBLIC
"-//BEA Systems, Inc.//DTD WebLogic 8.1.0 EJB//EN"
"http://www.bea.com/servers/wls810/dtd/weblogic-ejb-jar.dtd" >


<weblogic-ejb-jar>
<weblogic-enterprise-bean>
<ejb-name>containerManaged</ejb-name>

<entity-descriptor>
<persistence>
<persistence-use>
<type-identifier>WebLogic_CMP_RDBMS</type-identifier>
<type-version>6.0</type-version>
<type-storage>META-INF/weblogic-cmp-rdbms-jar.xml</type-storage>
</persistence-use>
</persistence>

</entity-descriptor>

<jndi-name>ejb20-containerManaged-AccountHome</jndi-name>

</weblogic-enterprise-bean>

</weblogic-ejb-jar>

and weblogic-cmp-rdbms-jar.xml
--------------------------

<?xml version="1.0"?>

<!DOCTYPE weblogic-rdbms-jar PUBLIC
'-//BEA Systems, Inc.//DTD WebLogic 8.1.0 EJB RDBMS Persistence//EN'
'http://www.bea.com/servers/wls810/dtd/weblogic-rdbms20-persistence-810.dtd'>

<weblogic-rdbms-jar>
<weblogic-rdbms-bean>
<ejb-name>containerManaged</ejb-name>
<!- This is the datasource JNDI name -->
<data-source-name>Oracle9iPool</data-source-name>
<table-map>
<table-name>ejbAccounts</table-name>
<field-map>
<cmp-field>accountId</cmp-field>
<dbms-column>id</dbms-column>
</field-map>
<field-map>
<cmp-field>balance</cmp-field>
<dbms-column>bal</dbms-column>
</field-map>
<field-map>
<cmp-field>accountType</cmp-field>
<dbms-column>acctype</dbms-column>
</field-map>
</table-map>
</weblogic-rdbms-bean>
<create-default-dbms-tables>DropAndCreateAlways</create-default-dbms-tables>
</weblogic-rdbms-jar>

All the files are at /META-INF

When I am deploying the EAR file its giving a stack dump such as
"
Exception:weblogic.management.ApplicationException: activate failed for SimpleCMP.jar Module: SimpleCMP.jar Error: Exception activating module: EJBModule(SimpleCMP.jar,status=PREPARED) Unable to deploy EJB: containerManaged from SimpleCMP.jar: XA error: XAER_RMERR : A resource manager error has occured in the transaction branch start() failed on resource 'Oracle9iPool': XAER_RMERR : A resource manager error has occured in the transaction branch oracle.jdbc.xa.OracleXAException at oracle.jdbc.xa.OracleXAResource.checkError(OracleXAResource.java:1159) at oracle.jdbc.xa.client.OracleXAResource.start(OracleXAResource.java:311) at weblogic.jdbc.wrapper.VendorXAResource.start(VendorXAResource.java:50) at weblogic.jdbc.jta.DataSource.start(DataSource.java:604) at weblogic.transaction.internal.XAServerResourceInfo.start(XAServerResourceInfo.java:1069) at weblogic.transaction.internal.XAServerResourceInfo.xaStart(XAServerResourceInfo.java:1001) at weblogic.transaction.internal.XAServerResourceInfo.enlist(XAServerResourceInfo.java:203) at weblogic.transaction.internal.ServerTransactionImpl.enlistResource(ServerTransactionImpl.java:419) at weblogic.jdbc.jta.DataSource.enlist(DataSource.java:1230) at weblogic.jdbc.jta.DataSource.refreshXAConnAndEnlist(DataSource.java:1193) at weblogic.jdbc.jta.DataSource.getConnection(DataSource.java:371) at weblogic.jdbc.jta.DataSource.connect(DataSource.java:329) at weblogic.jdbc.common.internal.RmiDataSource.getConnection(RmiDataSource.java:298) at weblogic.ejb20.cmp.rdbms.RDBMSPersistenceManager.getConnection(RDBMSPersistenceManager.java:1841) at weblogic.ejb20.cmp.rdbms.RDBMSPersistenceManager.verifyDatabaseType(RDBMSPersistenceManager.java:2025) at weblogic.ejb20.cmp.rdbms.RDBMSPersistenceManager.setup(RDBMSPersistenceManager.java:195) at weblogic.ejb20.manager.BaseEntityManager.setupPM(BaseEntityManager.java:217) at weblogic.ejb20.manager.BaseEntityManager.setup(BaseEntityManager.java:184) at weblogic.ejb20.manager.DBManager.setup(DBManager.java:164) at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.activate(ClientDrivenBeanInfoImpl.java:1004) at weblogic.ejb20.deployer.EJBDeployer.activate(EJBDeployer.java:1322) at weblogic.ejb20.deployer.EJBModule.activate(EJBModule.java:610) at weblogic.j2ee.J2EEApplicationContainer.activateModule(J2EEApplicationContainer.java:3012) at weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2076) at weblogic.j2ee.J2EEApplicationContainer.activate(J2EEApplicationContainer.java:2057) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.activateContainer(SlaveDeployer.java:2624) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.doCommit(SlaveDeployer.java:2547) at weblogic.management.deploy.slave.SlaveDeployer$Task.commit(SlaveDeployer.java:2349) at weblogic.management.deploy.slave.SlaveDeployer$Task.checkAutoCommit(SlaveDeployer.java:2431) at weblogic.management.deploy.slave.SlaveDeployer$Task.prepare(SlaveDeployer.java:2343) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2511) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:833) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:542) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:500) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170)

"

Kindly note that I have some Stateful/Stateless EJBs using these JDBC
services and the connection pool is tested too.

Any help would be greatly appreciated or if somebone can provide a step
by step simple example for CMP (not CMR now) I would be grateful.

Thanks in advance.

Caesar
 
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