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From "Dale de los Reyes" <drey...@hotmail.com>
Subject Problem accessing Entity Bean, Getting SystemExceptionInterceptor warning
Date Mon, 14 Aug 2006 17:41:56 GMT
Hello,

I need some help. I've been having problems accessing an entity bean from my 
session bean. I've coded similar EJBs before and they've successfully run on 
Geronimo 1.0. I tried using the upgrade.jar utility on these old beans, but 
was unable to get them to deploy. When the example programs became 
available, I gave up trying to use the upgrade tool. Now, the application 
seems to deploy just fine with no error messages being returned in the 
console window, but there are some debug messages in the log file.

When I access my application, the session bean seems to locate the entity 
bean successfully. But when I call a method belonging to that entity bean, I 
get a "SystemExceptionInterceptor" warning. I'm not sure what this means, 
other than I'm doing something wrong.

I'm using Geronimo 1.1 with Tomcat and Java 1.4.2_10. The descriptor files 
are modelled after the Bank demo supplied in the user manual which I was 
able to get running. My test application is deployed as an ear file via Hot 
Deployer.

The descriptor files (ejb-jar.xml, openejb-jar.xml) and stack trace are 
below for my test application. I hope someone can point out what I'm missing 
or doing wrong.

Thanks,
Dale


ejb-jar.xml
-----------

<?xml version="1.0" encoding="UTF-8"?>

<!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>
      <session>
         <ejb-name>ProcessCustomerSessionBean</ejb-name>
         <home>com.service.customer.ejb.ProcessCustomerHome</home>
         <remote>com.service.customer.ejb.ProcessCustomer</remote>
         
<ejb-class>com.service.customer.ejb.ProcessCustomerSessionBean</ejb-class>
         <session-type>Stateless</session-type>
         <transaction-type>Container</transaction-type>

         <ejb-ref>
            <ejb-ref-name>ejb/CustomerHome</ejb-ref-name>
            <ejb-ref-type>Entity</ejb-ref-type>
            <home>com.service.customer.ejb.CustomerHome</home>
            <remote>com.service.customer.ejb.Customer</remote>
            <ejb-link>CustomerEntityBean</ejb-link>
         </ejb-ref>
      </session>

      <entity>
         <ejb-name>CustomerEntityBean</ejb-name>
         <home>com.service.customer.ejb.CustomerHome</home>
         <remote>com.service.customer.ejb.Customer</remote>
         <ejb-class>com.service.customer.ejb.CustomerEntityBean</ejb-class>

         <persistence-type>Bean</persistence-type>
         <prim-key-class>java.lang.String</prim-key-class>
         <reentrant>False</reentrant>

         <resource-ref>
            <res-ref-name>jdbc/CustomerServiceDataSource</res-ref-name>
            <res-type>javax.sql.DataSource</res-type>
            <res-auth>Container</res-auth>
         </resource-ref>
      </entity>
   </enterprise-beans>

   <assembly-descriptor>
      <container-transaction>
         <method>
            <ejb-name>ProcessCustomerSessionBean</ejb-name>
            <method-name>*</method-name>
         </method>

         <trans-attribute>Required</trans-attribute>
      </container-transaction>
   </assembly-descriptor>
</ejb-jar>

*****

openejb-jar.xml
---------------

<?xml version="1.0" encoding="UTF-8"?>

<openejb-jar xmlns="http://www.openejb.org/xml/ns/openejb-jar-2.1">
   <dep:environment 
xmlns:dep="http://geronimo.apache.org/xml/ns/deployment-1.1">
      <dep:moduleId>
         <dep:groupId>default</dep:groupId>
         <dep:artifactId>CustomerService-ejb</dep:artifactId>
         <dep:version>1.0</dep:version>
         <dep:type>jar</dep:type>
      </dep:moduleId>

      <dep:dependencies>
         <dep:dependency>
            <dep:groupId>console.dbpool</dep:groupId>
            <dep:artifactId>CustomerServicePool</dep:artifactId>
            <dep:version>1.0</dep:version>
            <dep:type>rar</dep:type>
         </dep:dependency>
      </dep:dependencies>

      <dep:hidden-classes/>
      <dep:non-overridable-classes/>
   </dep:environment>

   <enterprise-beans>
      <session>
         <ejb-name>ProcessCustomerSessionBean</ejb-name>
         <jndi-name>ProcessCustomerRemoteSessionBean</jndi-name>

         <ejb-ref>
            <ref-name>ejb/CustomerHome</ref-name>
            <ejb-link>CustomerEntityBean</ejb-link>
         </ejb-ref>
      </session>

      <entity>
         <ejb-name>CustomerEntityBean</ejb-name>
         <jndi-name>CustomerRemoteEntity</jndi-name>

         <resource-ref>
            <ref-name>jdbc/CustomerServiceDataSource</ref-name>
            <resource-link>CustomerServicePool</resource-link>
         </resource-ref>
      </entity>
   </enterprise-beans>
</openejb-jar>

*****

This stack trace is taken from "geronimo-1.1/var/log/geronimo.log"

09:28:35,491 DEBUG [GBeanSingleReference] Waiting to start 
default/CustomerService/1.0/ear?J2EEApplication=default/CustomerService/1.0/ear,j2eeType=EJBModule,name=CustomerService-ejb.jar

because no targets are running for reference J2EEApplication matching the 
patterns 
default/CustomerService/1.0/ear?j2eeType=J2EEApplication,name=default/CustomerService/1.0/ear
09:28:35,631 DEBUG [GBeanSingleReference] Waiting to start 
default/CustomerService/1.0/ear?J2EEApplication=default/CustomerService/1.0/ear,j2eeType=EJBModule,name=PubQueryEJB.jar

because no targets are running for reference J2EEApplication matching the 
patterns 
default/CustomerService/1.0/ear?j2eeType=J2EEApplication,name=default/CustomerService/1.0/ear
09:29:19,985 WARN  [SystemExceptionInterceptor] CustomerEntityBean
javax.transaction.TransactionRolledbackException: 
com.service.customer.ejb.CustomerEntityBean
	at 
org.openejb.transaction.ContainerPolicy$TxRequired.invoke(ContainerPolicy.java:126)
	at 
org.openejb.transaction.TransactionContextInterceptor.invoke(TransactionContextInterceptor.java:80)
	at 
org.openejb.SystemExceptionInterceptor.invoke(SystemExceptionInterceptor.java:82)
	at org.openejb.GenericEJBContainer.invoke(GenericEJBContainer.java:238)
	at 
org.openejb.proxy.EJBMethodInterceptor.intercept(EJBMethodInterceptor.java:164)
	at 
org.openejb.proxy.EntityEJBHome$$EnhancerByCGLIB$$d8dd02dd.findByAll(<generated>)
	at 
com.service.customer.ejb.ProcessCustomerSessionBean.findAllCustomers(ProcessCustomerSessionBean.java:70)
	at 
com.service.customer.ejb.ProcessCustomerSessionBean$$FastClassByCGLIB$$5aed4974.invoke(<generated>)
	at 
org.openejb.dispatch.AbstractMethodOperation.invoke(AbstractMethodOperation.java:90)
	at org.openejb.slsb.BusinessMethod.execute(BusinessMethod.java:67)
	at 
org.openejb.dispatch.DispatchInterceptor.invoke(DispatchInterceptor.java:72)
	at 
org.apache.geronimo.naming.java.ComponentContextInterceptor.invoke(ComponentContextInterceptor.java:56)
	at 
org.openejb.ConnectionTrackingInterceptor.invoke(ConnectionTrackingInterceptor.java:81)
	at 
org.openejb.transaction.ContainerPolicy$TxRequired.invoke(ContainerPolicy.java:119)
	at 
org.openejb.transaction.TransactionContextInterceptor.invoke(TransactionContextInterceptor.java:80)
	at 
org.openejb.slsb.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:98)
	at 
org.openejb.transaction.ContainerPolicy$TxRequired.invoke(ContainerPolicy.java:140)
	at 
org.openejb.transaction.TransactionContextInterceptor.invoke(TransactionContextInterceptor.java:80)
	at 
org.openejb.SystemExceptionInterceptor.invoke(SystemExceptionInterceptor.java:82)
	at org.openejb.GenericEJBContainer.invoke(GenericEJBContainer.java:238)
	at 
org.openejb.proxy.EJBMethodInterceptor.intercept(EJBMethodInterceptor.java:164)
	at 
org.openejb.proxy.SessionEJBObject$$EnhancerByCGLIB$$ba84632c.findAllCustomers(<generated>)
	at 
com.service.customer.web.CustomerServiceJavaBean.getAllCustomers(CustomerServiceJavaBean.java:94)
	at 
org.apache.jsp.customers.index_jsp._jspService(org.apache.jsp.customers.index_jsp:81)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:688)
	at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:688)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at 
org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:46)
	at 
org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:342)
	at 
org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:31)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
	at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
	at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:667)
	at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
	at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:534)



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