I forgot to mention that i am using Tomcat 5.5 on both the windows and unix
environment.
Thanks.
On Wed, Oct 1, 2008 at 5:54 PM, Ziggy O <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I am trying to connect to an oracle database but cant seem to get the jdbc
> connection to work. I am developing the application on a Windows desktop and
> transferring it onto a Unix box.
>
> When i test it on the Windows environmnet it does manage to connect but if
> i test it on unix then i get an error. My gut feeling is that the
> installation on the unix environment is missing a library but i cant figure
> out what it is.
>
> Here is how i am trying to get the jndi connection.
>
> [code]
> String fullname;
> if (jndiPrefix != null && jndiPrefix.length() > 0)
> fullname = jndiPrefix + datasource;
> else
> fullname = datasource;
>
> // JNDI
> Context ctx = null;
> DataSource ds = null;
> Connection conn = null;
>
> try
> {
> ctx = new InitialContext();
> Context envContext = (Context)ctx.lookup("java:/comp/env");
> if (ctx != null)
> {
> ds = (DataSource)envContext.lookup(fullname);
> if (ds != null)
> {
> conn = ds.getConnection();
> }
> }
> }
> [/code]
>
> And here is the Configuration.
>
> Context.xml (User and password modified)
>
> [code]
> <Resource name="jdbc/theDb" auth="Container"
> type="javax.sql.DataSource"
> driverClassName="oracle.jdbc.driver.OracleDriver"
> url="jdbc:oracle:thin:@localhost:1521:webdev"
> username="webuser" password="webuser" maxActive="20"
> maxIdle="10"
> maxWait="-1"/>
> [/code]
>
> web.xml
>
> [code]
> <resource-ref>
> <description>Oracle Datasource</description>
> <res-ref-name>jdbc/theDb</res-ref-name>
> <res-type>oracle.jdbc.pool.OracleDataSource</res-type>
> <res-auth>Container</res-auth>
> </resource-ref>
>
> [/code]
>
> And here is the stack trace of the error
>
> [code]
> javax.naming.NamingException: Cannot create resource instance
> at
> org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:143)
> at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:793)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
> at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
> at
> com.bt.ccs21.util.DbConnection.getJNDIConnection(DbConnection.java:334)
> at
> com.bt.ccs21.util.DbConnection.getJNDIConnection(DbConnection.java:256)
> at
> com.bt.ccs21.util.DbConnection.getJRunConnection(DbConnection.java:286)
> at
> com.bt.ccs21.presentation.events.admin.LogonActionPost.preAction(LogonActionPost.java:118)
> at
> com.bt.ccs21.presentation.events.CCS21EventAction.execute(CCS21EventAction.java:29)
> at
> org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
> at
> org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
> at
> org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
> at
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
> at
> org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:304)
> at
> org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:190)
> at
> org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
> at
> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
> at
> org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Unknown Source)
> "/tmp/crmsauth.log.20081001" 561 lines, 48080 characters
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
> at java.lang.Thread.run(Unknown Source)
> [/code]
>
> What i dont understand is why it works on the installation on the windows
> environment but not in the Unix environment. I check all the libraries and
> everything under common/lib is the same for both environments.
>
> Thanks
>
> Edited by: ziggy on Oct 1, 2008 3:48 PM
>
> Edited by: ziggy on Oct 1, 2008 3:50 PM
>
