Re: Bind main/access classes to JNDI

Hi Sachin,
   
  Thank you. It worked.
   
  Thanks.

sachin <[email protected]> wrote:
  Hi,

We are doing this in following way.

Code from repository_database.xml

jcd-alias="SQLJDBCProvider"
default-connection="true"
platform="MsSQLServer"
jdbc-level="3.0"
jndi-datasource-name="java:comp/env/dsForB2C"
>

code from web.xml




dsForB2C
javax.sql.DataSource
Container
Shareable


----- Original Message ----- 
From: "k jee" 
To: "OJB Users List" 
Sent: Wednesday, January 17, 2007 6:25 AM
Subject: Re: Bind main/access classes to JNDI


> Armin, Thank you for your response.
>
> If I specify JNDI name like jdbc/testdsn in the repository_database.xml, 
> everything works fine.
> But the problem is, it makes a direct JNDI connection and Websphere is 
> not letting me use the Resource-Ref settings set in the web.xml file.
>
> So I tried to use the indirect JNDI by creating a startup class that will 
> bind the datasource alias to the JNDI. For this I followed the weblogic 
> example from the OJB site.
>
> I had a create my class that implements serializable in order to bind it 
> to the JNDI. is there any OJB class that I can use to bind the JNDI name 
> in my startup class.
>
> Please help.
>
> Thanks.
>
> Armin Waibel wrote:
> Hi,
>
> k jee wrote:
>> Hi All,
>>
>> I am trying to use indirect JNDI for my web app in websphere application 
>> server.
>>
>> I followed the following doc and created OjbPbstartup class as explained.
>>
>> http://db.apache.org/ojb/docu/guides/deployment.html#bind-to-jndi
>>
>> When I try to access the getObjectByQuery function, I get the following 
>> error. Can any one help? Please....
>
> I assume that that the CCE occur while jndi lookup of the DataSource in
> method ConnectionFactoryAbstractImpl#newConnectionFromDataSource
>
>
> InitialContext ic = new InitialContext();
> ds = (DataSource) ic.lookup(jcd.getDatasourceName());
>
>
> In the mapping of the jdbc-connection-descriptor you have to specify the
> jndi-name of the DataSource (to access the DB) defined on your
> appServer. It seems you set the name of your OJB access-class (bound to
> JNDI by yourself) instead.
>
> regards,
> Armin
>
>>
>> [Servlet Error]-[com/mydir/pkg/OjbPbStartup incompatible with 
>> javax/sql/DataSource]: java.lang.ClassCastException: 
>> com/mydir/pkg/OjbPbStartup incompatible with javax/sql/DataSource
>> at java.lang.Throwable.(Throwable.java)
>> at java.lang.Throwable.(Throwable.java)
>> at java.lang.ClassCastException.(ClassCastException.java:53)
>> at 
>> org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.newConnectionFromDataSource(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.accesslayer.ConnectionFactoryAbstractImpl.lookupConnection(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.accesslayer.ConnectionFactoryManagedImpl.lookupConnection(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.accesslayer.ConnectionManagerImpl.getConnection(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.accesslayer.StatementManager.getPreparedStatement(Unknown 
>> Source)
>> at org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(Unknown 
>> Source)
>> at org.apache.ojb.broker.accesslayer.RsQueryObject.performQuery(Unknown 
>> Source)
>> at org.apache.ojb.broker.accesslayer.RsIterator.(Unknown Source)
>> at 
>> org.apache.ojb.broker.core.RsIteratorFactoryImpl.createRsIterator(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.core.PersistenceBrokerImpl.getRsIteratorFromQuery(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.core.PersistenceBrokerImpl.getIteratorFromQuery(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.core.PersistenceBrokerImpl.getObjectByQuery(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(Unknown 
>> Source)
>> at 
>> org.apache.ojb.broker.core.DelegatingPersistenceBroker.getObjectByQuery(Unknown 
>> Source)
>> at com.mydir.pkg.dao.tmpDAO.findByPK(tmpDAO.java)
>> at 
>> com.mydir.pkg.actions.UserLoginAction.execute(UserLoginAction.java:136)
>> at 
>> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
>> at 
>> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
>> at 
>> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
>> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>> at 
>> com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
>> at 
>> com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
>> at 
>> com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
>> at 
>> com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
>> at 
>> com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
>> at 
>> com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
>> at 
>> com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
>> at 
>> com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:61)
>> at 
>> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
>> at 
>> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:564)
>> at 
>> com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
>> at 
>> com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
>> at 
>> com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
>> at 
>> com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
>> at 
>> com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:182)
>> at 
>> com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
>> at 
>> com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
>> at 
>> com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
>> at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
>> at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java)
>>
>>
>> ---------------------------------
>> The fish are biting.
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