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Hi

I am trying to upgrade my application from Weblogic 8.1 SP 6 to Weblogic 10.3. For this, I have installed Weblogic 10.3 and created a domain. WLS 10.3 started successfully from my domain. I recomplied the code in Java 1.6 and deployed successfully with out any code changes.

I have deployed the application and trying to launch the application welcome (login) page.

Then I am seeing the below error :

Predefined Constants Object: com.abc.xyz272.businessclasses.PredefinedConstants@3d80183 DataSourceName='null' sessionTimeOutLimit='36000' 00:39:31==>Servlet: getRemoteUser=null 00:39:31==>Servlet: getHeader=null 00:39:31==>count=0 <[weblogic.servlet.internal.WebAppServletContext@2e28f75 - appName: 'mbqccrpt', name: 'xyzControllerServlet', context-path: '/xyzControllerServlet', spec-version: 'null'] Servlet failed with Exception java.lang.NullPointerException at com.abc.xyz272.servlets.xyzControllerServlet.processRequest(Unknown Source) at com.abc.xyz272.servlets.xyzControllerServlet.doPost(Unknown Source) at com.abc.xyz272.servlets.xyzControllerServlet.doGet(Unknown Source) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) Truncated. see log file for complete stacktrace

I have one more question. The application running on Weblogic 8.1 is using apache server as well for launching the Static pages. For upgrading the application in weblogic 10.3 do we require the apache server?

Please suggest me with your valuable comments.. Greatly appreciated ...

Thanks, Venkat Maddala.