How to instantiate a database control in a session bean (Weblogic 8.1)

Is it possible to instantiate a database control in a session bean?
in a jsp i invoke "WlwProxy.create" method with an HttpServletRequest Object,
ther's another "WlwProxy.create" which take an URL object instead of an HttpServletRequest one, i've tried to use it with the URL of my database Control class,
I've tried two ways :
1- URL url = new URL(C:\bea\user_projects\.....\MydatabaseControlclass")
2- URL url = new URL("http","localhost",7001,"nameOfPackege/MydatabaseControlclass");
But it failed
Does anybody here know how to use "WlwProxy.create" with an URL object ?
Thanks.
Edited by concerto at 04/19/2007 6:29 AM
Edited by concerto at 04/19/2007 6:36 AM
Edited by concerto at 04/19/2007 6:43 AM

Hi Gautam
I don't think Database control has any attribute on Role.
The database control takes the connection from the datasource that is specified in the jcx. I am not sure if there is any attribute at the connection pool level that will allow you to set a role.
Or you can call a method in the dbcontrol that executes a set role.. statement and then run other methods.
Thanks
Vimala

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         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:210)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:861)
         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:324)
         at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:246)
         at java.security.AccessController.doPrivileged(Native Method)
         at javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
         at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
         at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:236)
         at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
         at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:145)
         at java.security.AccessController.doPrivileged(Native Method)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:141)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:214)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:168)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:133)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:539)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.webservice.EjbWebServiceValve.invoke(EjbWebServiceValve.java:134)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.security.web.SingleSignOn.invoke(SingleSignOn.java:272)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.web.VirtualServerValve.invoke(VirtualServerValve.java:209)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:114)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at com.sun.enterprise.web.VirtualServerMappingValve.invoke(VirtualServerMappingValve.java:166)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:936)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:165)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:683)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:604)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:542)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:647)
         at java.lang.Thread.run(Thread.java:534)
    |#]
    [#|2006-10-02T13:52:55.390+0200|INFO|sun-appserver-pe8.0.0_01|javax.enterprise.system.stream.out|_ThreadID=11;|2006-10-02 13:52:55 [8080-Processor4] INFO .va.ejb.testrh.sb.TestRemoteEjbBean - RemoteException when getting BrickFacade. Message:Invalid URL or IOR: corbaloc:iiop://161.90.176.213:3700
    javax.naming.ConfigurationException: Invalid URL or IOR: corbaloc:iiop://161.90.176.213:3700 [Root exception is org.omg.CORBA.BAD_PARAM:   vmcid: SUN  minor code: 603  completed: No]
         at com.sun.jndi.cosnaming.CNCtx.setOrbAndRootContext(CNCtx.java:367)
         at com.sun.jndi.cosnaming.CNCtx.initUsingCorbanameUrl(CNCtx.java:321)
         at com.sun.jndi.cosnaming.CNCtx.initUsingUrl(CNCtx.java:247)
         at com.sun.jndi.cosnaming.CNCtx.createUsingURL(CNCtx.java:85)
         at com.sun.jndi.url.iiop.iiopURLContextFactory.getUsingURLIgnoreRest(iiopURLContextFactory.java:56)
         at com.sun.jndi.url.iiop.iiopURLContext.getRootURLContext(iiopURLContext.java:44)
         at com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:182)
         at javax.naming.InitialContext.lookup(InitialContext.java:347)
         at com.sun.enterprise.naming.NamingManagerImpl.lookup(NamingManagerImpl.java:702)
         at com.sun.enterprise.naming.java.javaURLContext.lookup(javaURLContext.java:108)
         at javax.naming.InitialContext.lookup(InitialContext.java:347)
         at de.emilberlinerstudios.va.ejb.testrh.sb.TestRemoteEjbBean.getBrickFacade(TestRemoteEjbBean.java:108)
         at de.emilberlinerstudios.va.ejb.testrh.sb.TestRemoteEjbBean.startTest(TestRemoteEjbBean.java:79)
         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:324)
         at com.sun.enterprise.security.SecurityUtil$2.run(SecurityUtil.java:146)
         at java.security.AccessController.doPrivileged(Native Method)
         at com.sun.enterprise.security.application.EJBSecurityManager.doAsPrivileged(EJBSecurityManager.java:930)
         at com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:151)
         at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:128)
         at $Proxy7.startTest(Unknown Source)
         at de.emilberlinerstudios.va.ejb.testrh.sb._TestRemoteEjb_Stub.startTest(Unknown Source)
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at com.sun.forte4j.j2ee.ejbtest.webtest.InvocableMethod$MethodIM.invoke(InvocableMethod.java:231)
         at com.sun.forte4j.j2ee.ejbtest.webtest.EjbInvoker.getInvocationResults(EjbInvoker.java:96)
         at com.sun.forte4j.j2ee.ejbtest.webtest.DispatchHelper.getForward(DispatchHelper.java:189)
         at org.apache.jsp.dispatch_jsp._jspService(dispatch_jsp.java:75)
         at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:102)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:861)
         at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:282)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:263)
         at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:210)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:861)
         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:324)
         at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:246)
         at java.security.AccessController.doPrivileged(Native Method)
         at javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
         at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:268)
         at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:162)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:236)
         at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
         at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:145)
         at java.security.AccessController.doPrivileged(Native Method)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:141)
         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:214)
         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:168)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:144)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:133)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:539)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.webservice.EjbWebServiceValve.invoke(EjbWebServiceValve.java:134)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.security.web.SingleSignOn.invoke(SingleSignOn.java:272)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at com.sun.enterprise.web.VirtualServerValve.invoke(VirtualServerValve.java:209)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:114)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:109)
         at com.sun.enterprise.web.VirtualServerMappingValve.invoke(VirtualServerMappingValve.java:166)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:107)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:522)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:936)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:165)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:683)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:604)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:542)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:647)
         at java.lang.Thread.run(Thread.java:534)
    Caused by: org.omg.CORBA.BAD_PARAM: vmcid: SUN minor code: 603 completed: No
         at com.sun.corba.ee.impl.logging.NamingSystemException.insBadAddress(NamingSystemException.java:148)
         at com.sun.corba.ee.impl.logging.NamingSystemException.insBadAddress(NamingSystemException.java:166)
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         at com.sun.corba.ee.impl.naming.namingutil.CorbalocURL.handleColon(CorbalocURL.java:140)
         at com.sun.corba.ee.impl.naming.namingutil.CorbalocURL.handleIIOPColon(CorbalocURL.java:115)
         at com.sun.corba.ee.impl.naming.namingutil.CorbalocURL.<init>(CorbalocURL.java:67)
         at com.sun.corba.ee.impl.naming.namingutil.INSURLHandler.parseURL(INSURLHandler.java:41)
         at com.sun.corba.ee.impl.resolver.INSURLOperationImpl.operate(INSURLOperationImpl.java:103)
         at com.sun.corba.ee.impl.orb.ORBImpl.string_to_object(ORBImpl.java:774)
         at com.sun.jndi.cosnaming.CNCtx.setOrbAndRootContext(CNCtx.j|#]

    Problem solved:
    configuration in jndi-name was wrong:
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