How can i look up a TxDataSource bound in Weblogic JNDI

          HI,
          How can i look up a TxDataSource bound in weblogic JNDI. When i access it using
          javax.sql.XADataSourse ds = (XADataSourse)context.lookUp(jndiName)
          .it gives me classcast exception.
          and if i lookup it using javax.sql.DataSource like below
          javax.sql.DataSourse ds = (DataSourse)context.lookUp(jndiName)
          then while executing my sql on the connection object it throws some other excepiton
          like below
          java.sql.SQLException: weblogic.rmi.extensions.RemoteRuntimeException: Unexpected
          Exception - with nested exception:
          [weblogic.rjvm.PeerGoneException: ; nested exception is:
                  java.io.EOFException]
          at weblogic.jdbc.rmi.SerialStatement.executeQuery(SerialStatement.java:92)
          at TestTransactionMgr.main(TestTransactionMgr.java:46)
          How can i solve this problem.. Actually my application needs to handle distributed
          transactions so i need to implement XADataSource.
          can somebody help me iin this.
          Thanks & Regards
          Akhil Nagpla

Similar Messages

How to look up a TxDataSource bound in weblogic JNDI

HI,
How can i look up a TxDataSource bound in weblogic JNDI. When i access it using
javax.sql.XADataSourse ds = (XADataSourse)context.lookUp(jndiName)
..it gives me classcast exception.
and if i lookup it using javax.sql.DataSource like below
javax.sql.DataSourse ds = (DataSourse)context.lookUp(jndiName)
then while executing my sql on the connection object it throws some other excepiton
like below
java.sql.SQLException: weblogic.rmi.extensions.RemoteRuntimeException: Unexpected Exception - with nested exception:
[weblogic.rjvm.PeerGoneException: ; nested exception is:
java.io.EOFException]
at weblogic.jdbc.rmi.SerialStatement.executeQuery(SerialStatement.java:92)
at TestTransactionMgr.main(TestTransactionMgr.java:46)
How can i solve this problem.. Actually my application needs to handle distributed transactions so i need to implement XADataSource.
can somebody help me iin this.
Thanks & Regards
Akhil Nagpla

Hi Akhil did u get the solution for distributed database /
I am also working on same but i dint get the solution yet. Please if u have any solution for the same do mail me to [email protected] and [email protected]
here goes my problem !
we have 2 oracle databases.
I am using Stateless EJB and container managed transaction !
And inside a ejb method i am getting 2 different connection from 2 different datasources ok !
Since am using container managed transaction it starts transaction automatically when the method begins,
and the transaction ends when the method exit out ok !
Now i insert into 2 databases and when the method exits it gives an error listed below !
i am using NON emulated datasource with class name "com.evermindsql.DriverManagerDataSource"
and looking up this datasource in the EJB with name specified in location attribute of datasource !
"com.evermind.server.rmi.OrionRemoteExcepttion: Transaction was rolled back: javax.transaction.SystemException: could not commit: error code 29540- for additional error code check the oracle log file"
For distributed database we configured DBLINK also !
If u can give more info regarding DBlink it will be better ! Even after we set DBlink we are getting error !
Please tell us how to configure the database !
Oracle 9iAS
Oracle 9i DB
regards
Sreenath.V

ClassCastException while looking up RMI objects bound to weblogic.JNDI under WLS 6.1

We deploy a servlet (in a single .war archive) establishing a RMI connection to
an external Java object bound into weblogic JNDI (WLS 6.1).
We get a ClassCastException on invoking JNDI lookup:
Servlet failed with Exception>
java.lang.ClassCastException: $Proxy67
     at com.thyssenkrupp.tks.tnt.admin.rmi.ClientServlet.init(ClientServlet.java:81)
     at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:698)
     at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java:641)
     at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:586)
     at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:366)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:240)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2390)
     at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:1959)
     at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
     at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
Curiously we don't observe these problems when we include all the classes of the
remote application in the classpath of the WebLogic Server. Actually we want to
avoid including external classes in weblogic.classpath for (hot) deployment reasons.
It also seems that problems don't occur when accessing the remote object from
an independent client application.
We expect this to be a classloader conflict within WLS 6.1
Does anybody know a solution to our problems?
Thanks for suggestions
Andreas Koerner

There was a similar bug that was supposedly fixed in WL 6.1 SP 2. I had
filed a bug on this myself, and was given a patch for SP1, you should be
able to ask for the patch for CR060416.
Peter Mularien
Deploy Solutions, Inc.
Andreas Koerner wrote:
>
We deploy a servlet (in a single .war archive) establishing a RMI connection to
an external Java object bound into weblogic JNDI (WLS 6.1).
We get a ClassCastException on invoking JNDI lookup:
Servlet failed with Exception>
java.lang.ClassCastException: $Proxy67
at com.thyssenkrupp.tks.tnt.admin.rmi.ClientServlet.init(ClientServlet.java:81)
at weblogic.servlet.internal.ServletStubImpl.createServlet(ServletStubImpl.java:698)
at weblogic.servlet.internal.ServletStubImpl.createInstances(ServletStubImpl.java:641)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:586)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:366)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:240)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2390)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:1959)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
Curiously we don't observe these problems when we include all the classes of the
remote application in the classpath of the WebLogic Server. Actually we want to
avoid including external classes in weblogic.classpath for (hot) deployment reasons.
It also seems that problems don't occur when accessing the remote object from
an independent client application.
We expect this to be a classloader conflict within WLS 6.1
Does anybody know a solution to our problems?
Thanks for suggestions
Andreas Koerner

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this is my code...........i don't know what should i use as Initial Context Factory...................i am using a sun appserver 8............
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import com.parx.lms.exception.LMSException;
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h.put(Context.INITIAL_CONTEXT_FACTORY," ********what should i use here???????*************************")
Each app server provides their own jndi factory class. For ex for weblogic it is weblogic.jndi.WLInitialContextFactory. SInce you are using sun app server, check if there are any examples to find out or the docs.
private static String url="http://localhost:4848
Since the client is in a different machine the localhost is not going to work here. provide the url or the machine name of the system in which ur sunapp server is running. In addition u will need to have the stubs of the remote interfaces in ur client machine.

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How can i look up a TxDataSource bound in Weblogic JNDI

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