nullpointer (on forward) in tomcat (both 331 332)

2002-08-03 Thread Jeff Boring 

The following servlet code throws nullpointer (on forward) in tomcat
(both 3.3.1  3.3.2). Any ideas where to start looking?

Jeff W. Boring
[EMAIL PROTECTED]

-- code -
public void forwardToNextPage(String nextPage, HttpServletRequest req,
HttpServletResponse res) throws IOException, ServletException {

  System.out.println(*);
  System.out.println( REQ - + req.toString() );
  System.out.println(*);
  System.out.println(*);
  System.out.println( RES - + res.toString() );
  System.out.println(*);

  ServletContext sc = null;
  RequestDispatcher rd = null;

  try {sc = getServletContext();}
  catch (NullPointerException np) {
System.out.println(* NullPointerException on
getServletContext );
np.printStackTrace();
  }
  try {rd = sc.getRequestDispatcher(nextPage); }
  catch (NullPointerException np) {
 System.out.println(* NullPointerException on
getRequestDispatcher );
 np.printStackTrace();
   }
   try {rd.forward(req, res);}
   catch (NullPointerException np) {
 System.out.println(* NullPointerException on
forward );
 np.printStackTrace();
   }

--- console --

* NullPointerException on forward

java.lang.NullPointerException
at
com.ibm.eadtraining.servlet.EADTrainingController.forwardToNextPage(E
ADTrainingController.java:89)
at
com.ibm.eadtraining.servlet.EADTrainingController.submitLogin(EADTrai
ningController.java:212)
at
com.ibm.eadtraining.servlet.EADTrainingController.doPost(EADTrainingC
ontroller.java:46)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at javax.servlet.http.HttpServlet.service(HttpServlet.java)
at
org.apache.tomcat.facade.ServletHandler.doService(ServletHandler.java
:570)
at org.apache.tomcat.core.Handler.invoke(Handler.java:322)
at org.apache.tomcat.core.Handler.service(Handler.java:235)
at
org.apache.tomcat.facade.ServletHandler.service(ServletHandler.java:4
81)
at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.
java:917)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:833
)
at
org.apache.tomcat.modules.server.Http10Interceptor.processConnection(
Http10Interceptor.java:176)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java
:508)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:533)
at java.lang.Thread.run(Thread.java:479)


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Re: nullpointer (on forward) in tomcat (both 331 332)

2002-08-03 Thread Jeff Boring 

 Right you are - I'm used to an environment (VAJ, WSAD) where the '\' doesn't
 matter. Now I have to research how session is handled in Tomcat.

Jeff Boring



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