Re: ejb 3.0--connecting to a DB

Tue, 19 Jun 2007 19:59:53 -0700 


On Jun 19, 2007, at 10:26 PM, Viet Hung Nguyen wrote:
Thanks David, I resolved the PersistenceUnit problem from the hints that you gave me. 


Excellent!
However, once all of that was resolved I am having problems connecting to the DB....
It looks like you generated the db pool plan from the console. I'm not an expert on how well the console works, but I think there are some questionable things here:
-- In my experience derby connectors don't work very well unless they get their classes from the system-database configuration where the derby engine is running. Unless you use non-embedded derby client and maybe even then, you tend to run into classloading problems. So I would replace the dependency on derby with a dependency on org.apache.geronimo.configs/system-database//car 

- Unless you have previously created your database, you need to include
<config-property-setting name="CreateDatabase">true</config-property-setting> 
to get derby to create it for you when you try to use it.
- You haven't got this far yet :-) but the jta and non-jta datasource should be pointing to the same database or you will get very strange results when openjpa tries to generate a key. It's also likely that all the tables will be generated in one of the databases and not available in the other.
I'm not sure which tranql connector you are using, either. I would copy the system-database plan and remove the gbeans from it and change the dependencies so it depends on system-database and change the db names. 

How are you deploying the db pool?

Hope this helps
david jencks




I have the following:

--BankPool.xml--
<connector xmlns="http://geronimo.apache.org/xml/ns/j2ee/ connector-1.1"> <dep:environment xmlns:dep="http://geronimo.apache.org/xml/ns/ deployment-1.1"> 
       <dep:moduleId>
           <dep:groupId>console.dbpool</dep:groupId>
           <dep:artifactId>BankPool</dep:artifactId>
           <dep:version>1.0</dep:version>
           <dep:type>rar</dep:type>
       </dep:moduleId>
       <dep:dependencies>
           <dep:dependency>
               <dep:groupId>org.apache.derby</dep:groupId>
               <dep:artifactId>derby</dep:artifactId>
               <dep:type>jar</dep:type>
           </dep:dependency>
       </dep:dependencies>
   </dep:environment>
   <resourceadapter>
       <outbound-resourceadapter>
           <connection-definition>
<connectionfactory-interface>javax.sql.DataSource</ connectionfactory-interface> 
               <connectiondefinition-instance>
                   <name>BankPool</name>
<config-property-setting name="Driver">org.apache.derby.jdbc.EmbeddedDriver</config-property- setting> <config-property-setting name="UserName">app</ config-property-setting> <config-property-setting name="ConnectionURL">jdbc:derby:BankDB</config-property-setting> 
                   <connectionmanager>
                       <local-transaction/>
                       <single-pool>
                           <max-size>10</max-size>
                           <min-size>0</min-size>
                           <match-one/>
                       </single-pool>
                   </connectionmanager>
               </connectiondefinition-instance>
           </connection-definition>
       </outbound-resourceadapter>
   </resourceadapter>
</connector>

--persistence.xml--
<?xml version="1.0" encoding="UTF-8"?>
<persistence     xmlns="http://java.sun.com/xml/ns/persistence";
xmlns:xsi="http://www.w3.org/2001/XMLSchema- instance" version="1.0" xsi:schemaLocation="http://java.sun.com/xml/ns/ persistence http://java.sun.com/xml/ns/persistence/ persistence_1_0.xsd"> 
   <persistence-unit name="BankPU" transaction-type="JTA">
       <description>Entity Beans for Bank</description>
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</ provider> 
       <class>org.apache.geronimo.samples.bank.ejb.Account</class>
       <class>org.apache.geronimo.samples.bank.ejb.Customer</class>
<class>org.apache.geronimo.samples.bank.ejb.ExchangeRate</ class> 
       <exclude-unlisted-classes />
       <jta-data-source>BankPool</jta-data-source>
       <non-jta-data-source>NoTxDatasource</non-jta-data-source>
   </persistence-unit>
</persistence>


--web.xml--

<web-app xmlns="http://java.sun.com/xml/ns/j2ee";
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http:// java.sun.com/xml/ns/j2ee/web-app_2_5.xsd" 
       version="2.5">
     <welcome-file-list>
       <welcome-file>/jsp/index.jsp</welcome-file>
   </welcome-file-list>

   <servlet>
       <display-name>CustomerServiceServlet</display-name>
       <servlet-name>CustomerServiceServlet</servlet-name>
<servlet- class>org.apache.geronimo.samples.bank.web.CustomerServiceServlet</ servlet-class> 
   </servlet>
     <servlet>
       <display-name>CommonServiceServlet</display-name>
       <servlet-name>CommonServiceServlet</servlet-name>
<servlet- class>org.apache.geronimo.samples.bank.web.CommonServiceServlet</ servlet-class> 
   </servlet>
       <servlet-mapping>
       <servlet-name>CustomerServiceServlet</servlet-name>
       <url-pattern>/customer_info</url-pattern>
   </servlet-mapping>
     <servlet-mapping>
       <servlet-name>CommonServiceServlet</servlet-name>
       <url-pattern>/exchange_rates</url-pattern>
   </servlet-mapping>
</web-app>

--geronimo-web.xml--
<web-app xmlns="http://geronimo.apache.org/xml/ns/j2ee/web-1.1"; xmlns:naming="http://geronimo.apache.org/xml/ns/naming-1.1";> <dep:environment xmlns:dep="http://geronimo.apache.org/xml/ns/ deployment-1.1"> 
       <dep:moduleId>
           <dep:groupId>org.apache.geronimo.samples</dep:groupId>
           <dep:artifactId>BankWeb</dep:artifactId>
           <dep:version>1.2</dep:version>
           <dep:type>car</dep:type>
       </dep:moduleId>

       <dep:dependencies>
           <dep:dependency>
               <dep:groupId>console.dbpool</dep:groupId>
               <dep:artifactId>BankPool</dep:artifactId>
               <dep:version>1.0</dep:version>
               <dep:type>rar</dep:type>
           </dep:dependency>
           <dep:dependency>
               <dep:groupId>org.tranql</dep:groupId>
               <dep:artifactId>tranql-connector-ra</dep:artifactId>
               <dep:version>1.3</dep:version>
               <dep:type>rar</dep:type>
           </dep:dependency>
       </dep:dependencies>

       <dep:hidden-classes/>

       <dep:non-overridable-classes/>
   </dep:environment>
     <context-root>/Bank</context-root>
</web-app>


--WEB-APP snippet--

public class CommonServiceServlet extends HttpServlet {
   @EJB
   private BankManagerFacadeLocal bm = null;

   // some mo
private void viewRates(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException{ 
       String path = "/jsp/error.jsp";;
              try {
           Collection<ExchangeRate> rates = bm.getExchangeRates();
           req.setAttribute("rateList",rates);
                      path = "/jsp/exchange_rates.jsp";
                  } catch (Exception e) {
           e.printStackTrace();
       }
getServletContext().getRequestDispatcher(path).forward (req,res); 
   }
}

--EJB snippet--
@Stateless
public class BankManagerFacadeBean implements BankManagerFacadeLocal {
     @PersistenceUnit(unitName="BankPU")
   protected EntityManagerFactory emf;

   // some mo

   public Collection<ExchangeRate> getExchangeRates() {
       EntityManager em = emf.createEntityManager();

       String query = "SELECT * FROM ExchangeRate";
Collection<ExchangeRate> rateList = (Collection<ExchangeRate>)em.createNativeQuery ( query ).getResultList(); 

       em.close();
       return rateList;
   }
}

I get the following stacktrace:
ERROR [MCFConnectionInterceptor] Error occurred creating ManagedConnection for [EMAIL PROTECTED] javax.resource.spi.ResourceAllocationException: Unable to obtain physical connection to jdbc:derby:BankDB at org.tranql.connector.jdbc.JDBCDriverMCF.getPhysicalConnection (JDBCDriverMCF.java:98) at org.tranql.connector.jdbc.JDBCDriverMCF.createManagedConnection (JDBCDriverMCF.java:73) at org.apache.geronimo.connector.outbound.MCFConnectionInterceptor.getCon nection(MCFConnectionInterceptor.java:48) at org.apache.geronimo.connector.outbound.LocalXAResourceInsertionInterce ptor.getConnection(LocalXAResourceInsertionInterceptor.java:41) at org.apache.geronimo.connector.outbound.SinglePoolConnectionInterceptor .internalGetConnection(SinglePoolConnectionInterceptor.java:66) at org.apache.geronimo.connector.outbound.AbstractSinglePoolConnectionInt erceptor.getConnection(AbstractSinglePoolConnectionInterceptor.java: 78) at org.apache.geronimo.connector.outbound.TransactionEnlistingInterceptor .getConnection(TransactionEnlistingInterceptor.java:46) at org.apache.geronimo.connector.outbound.TransactionCachingInterceptor.g etConnection(TransactionCachingInterceptor.java:87) at org.apache.geronimo.connector.outbound.ConnectionHandleInterceptor.get Connection(ConnectionHandleInterceptor.java:43) at org.apache.geronimo.connector.outbound.TCCLInterceptor.getConnection (TCCLInterceptor.java:39) at org.apache.geronimo.connector.outbound.ConnectionTrackingInterceptor.g etConnection(ConnectionTrackingInterceptor.java:66) at org.apache.geronimo.connector.outbound.AbstractConnectionManager.alloc ateConnection(AbstractConnectionManager.java:61) at org.tranql.connector.jdbc.DataSource.getConnection (DataSource.java:56) 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.kernel.JDBCStoreManager.connectInternal (JDBCStoreManager.java:738) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect (JDBCStoreManager.java:723) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.getConnection (JDBCStoreManager.java:211) at org.apache.openjpa.jdbc.kernel.SQLStoreQuery $SQLExecutor.executeQuery(SQLStoreQuery.java:265) 
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:985)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:796)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:766)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:762)
at org.apache.openjpa.kernel.DelegatingQuery.execute (DelegatingQuery.java:517) at org.apache.openjpa.persistence.QueryImpl.execute (QueryImpl.java:230) at org.apache.openjpa.persistence.QueryImpl.getResultList (QueryImpl.java:269) at org.apache.geronimo.samples.bank.ejb.BankManagerFacadeBean.getExchange Rates(BankManagerFacadeBean.java:93) 
   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.procee d(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.core.ivm.EjbObjectProxyHandler.businessMethod (EjbObjectProxyHandler.java:211) at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke (EjbObjectProxyHandler.java:65) at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke (BaseEjbProxyHandler.java:306) at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke (Jdk13InvocationHandler.java:49) 
   at $Proxy42.getExchangeRates(Unknown Source)
at org.apache.geronimo.samples.bank.web.CommonServiceServlet.viewRates (CommonServiceServlet.java:54) at org.apache.geronimo.samples.bank.web.CommonServiceServlet.doGet (CommonServiceServlet.java:43) 
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle (ServletHolder.java:487) at org.apache.geronimo.jetty6.InternalJettyServletHolder.handle (InternalJettyServletHolder.java:65) at org.mortbay.jetty.servlet.ServletHandler.handle (ServletHandler.java:367) at org.mortbay.jetty.security.SecurityHandler.handle (SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle (SessionHandler.java:181) at org.apache.geronimo.jetty6.handler.ThreadClassloaderHandler.handle (ThreadClassloaderHandler.java:46) at org.apache.geronimo.jetty6.handler.InstanceContextHandler.handle (InstanceContextHandler.java:58) at org.apache.geronimo.jetty6.handler.UserTransactionHandler.handle (UserTransactionHandler.java:48) at org.mortbay.jetty.handler.ContextHandler.handle (ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle (WebAppContext.java:405) at org.apache.geronimo.jetty6.handler.ComponentContextHandler.handle (ComponentContextHandler.java:47) at org.mortbay.jetty.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:211) at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) 
   at org.mortbay.jetty.Server.handle(Server.java:295)
at org.mortbay.jetty.HttpConnection.handleRequest (HttpConnection.java:503) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete (HttpConnection.java:827) 
   at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:511)
   at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:210)
   at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:379)
at org.mortbay.io.nio.SelectChannelEndPoint.run (SelectChannelEndPoint.java:361) 
   at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:201)
at org.apache.geronimo.pool.ThreadPool $ContextClassLoaderRunnable.run(ThreadPool.java:331) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask (ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:675) 
   at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: Database 'BankDB' not found.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException (Unknown Source) at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source) at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source) at org.apache.derby.impl.jdbc.Util.generateCsSQLException (Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection.newSQLException (Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown Source) at org.apache.derby.jdbc.Driver30.getNewEmbedConnection(Unknown Source) 
   at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
   at org.apache.derby.jdbc.EmbeddedDriver.connect(Unknown Source)
at org.tranql.connector.jdbc.JDBCDriverMCF.getPhysicalConnection (JDBCDriverMCF.java:96) 
   ... 70 more
22:16:33,765 ERROR [OpenEJB] The bean instances business method encountered a system exception: Database 'BankDB' not found. <1.0.0-SNAPSHOT-SNAPSHOT nonfatal general error> org.apache.openjpa.persistence.PersistenceException: Database 'BankDB' not found. at org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException (DBDictionary.java:3784) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore (SQLExceptions.java:97) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore (SQLExceptions.java:83) at org.apache.openjpa.jdbc.sql.SQLExceptions.getStore (SQLExceptions.java:59) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect (JDBCStoreManager.java:727) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.getConnection (JDBCStoreManager.java:211) at org.apache.openjpa.jdbc.kernel.SQLStoreQuery $SQLExecutor.executeQuery(SQLStoreQuery.java:265) 
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:985)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:796)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:766)
   at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:762)
at org.apache.openjpa.kernel.DelegatingQuery.execute (DelegatingQuery.java:517) at org.apache.openjpa.persistence.QueryImpl.execute (QueryImpl.java:230) at org.apache.openjpa.persistence.QueryImpl.getResultList (QueryImpl.java:269) at org.apache.geronimo.samples.bank.ejb.BankManagerFacadeBean.getExchange Rates(BankManagerFacadeBean.java:93) 
   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.procee d(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.core.ivm.EjbObjectProxyHandler.businessMethod (EjbObjectProxyHandler.java:211) at org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke (EjbObjectProxyHandler.java:65) at org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke (BaseEjbProxyHandler.java:306) at org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke (Jdk13InvocationHandler.java:49) 
   at $Proxy42.getExchangeRates(Unknown Source)
at org.apache.geronimo.samples.bank.web.CommonServiceServlet.viewRates (CommonServiceServlet.java:54) at org.apache.geronimo.samples.bank.web.CommonServiceServlet.doGet (CommonServiceServlet.java:43) 
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at org.mortbay.jetty.servlet.ServletHolder.handle (ServletHolder.java:487) at org.apache.geronimo.jetty6.InternalJettyServletHolder.handle (InternalJettyServletHolder.java:65) at org.mortbay.jetty.servlet.ServletHandler.handle (ServletHandler.java:367) at org.mortbay.jetty.security.SecurityHandler.handle (SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle (SessionHandler.java:181) at org.apache.geronimo.jetty6.handler.ThreadClassloaderHandler.handle (ThreadClassloaderHandler.java:46) at org.apache.geronimo.jetty6.handler.InstanceContextHandler.handle (InstanceContextHandler.java:58) at org.apache.geronimo.jetty6.handler.UserTransactionHandler.handle (UserTransactionHandler.java:48) at org.mortbay.jetty.handler.ContextHandler.handle (ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle (WebAppContext.java:405) at org.apache.geronimo.jetty6.handler.ComponentContextHandler.handle (ComponentContextHandler.java:47) at org.mortbay.jetty.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:211) at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:139) 
   at org.mortbay.jetty.Server.handle(Server.java:295)
at org.mortbay.jetty.HttpConnection.handleRequest (HttpConnection.java:503) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete (HttpConnection.java:827) 
   at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:511)
   at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:210)
   at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:379)
at org.mortbay.io.nio.SelectChannelEndPoint.run (SelectChannelEndPoint.java:361) 
   at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:201)
at org.apache.geronimo.pool.ThreadPool $ContextClassLoaderRunnable.run(ThreadPool.java:331) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask (ThreadPoolExecutor.java:650) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:675) 
   at java.lang.Thread.run(Thread.java:595)
Caused by: java.sql.SQLException: Database 'BankDB' not found.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException (Unknown Source) at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source) at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source) at org.apache.derby.impl.jdbc.Util.generateCsSQLException (Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection.newSQLException (Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source) at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown Source) at org.apache.derby.jdbc.Driver30.getNewEmbedConnection(Unknown Source) 
   at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
   at org.apache.derby.jdbc.EmbeddedDriver.connect(Unknown Source)
at org.tranql.connector.jdbc.JDBCDriverMCF.getPhysicalConnection (JDBCDriverMCF.java:96) at org.tranql.connector.jdbc.JDBCDriverMCF.createManagedConnection (JDBCDriverMCF.java:73) at org.apache.geronimo.connector.outbound.MCFConnectionInterceptor.getCon nection(MCFConnectionInterceptor.java:48) at org.apache.geronimo.connector.outbound.LocalXAResourceInsertionInterce ptor.getConnection(LocalXAResourceInsertionInterceptor.java:41) at org.apache.geronimo.connector.outbound.SinglePoolConnectionInterceptor .internalGetConnection(SinglePoolConnectionInterceptor.java:66) at org.apache.geronimo.connector.outbound.AbstractSinglePoolConnectionInt erceptor.getConnection(AbstractSinglePoolConnectionInterceptor.java: 78) at org.apache.geronimo.connector.outbound.TransactionEnlistingInterceptor .getConnection(TransactionEnlistingInterceptor.java:46) at org.apache.geronimo.connector.outbound.TransactionCachingInterceptor.g etConnection(TransactionCachingInterceptor.java:87) at org.apache.geronimo.connector.outbound.ConnectionHandleInterceptor.get Connection(ConnectionHandleInterceptor.java:43) at org.apache.geronimo.connector.outbound.TCCLInterceptor.getConnection (TCCLInterceptor.java:39) at org.apache.geronimo.connector.outbound.ConnectionTrackingInterceptor.g etConnection(ConnectionTrackingInterceptor.java:66) at org.apache.geronimo.connector.outbound.AbstractConnectionManager.alloc ateConnection(AbstractConnectionManager.java:61) at org.tranql.connector.jdbc.DataSource.getConnection (DataSource.java:56) 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.kernel.JDBCStoreManager.connectInternal (JDBCStoreManager.java:738) at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect (JDBCStoreManager.java:723) 
   ... 54 more
I am using Geronimo 2.0 (trunk). Am I missing something in the persistence.xml or BankPool.xml? 

Thanks,
Viet Nguyen

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