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From Bojan Smojver <>
Subject SimpleSessionStore: NullPointerException
Date Tue, 10 Apr 2001 10:35:16 GMT
I'm not sure if this is something I'm doing... Anyway, latest Tomcat 3.3
from CVS gives me this:

2001-04-10 20:23:06 - JspFactoryImpl: Exception initializing page
context - java.lang.NullPointerException
        at java.util.Hashtable.remove(

Basically, session remove around line 319 (don't worry about 421, I've
been mucking around with it) attempts to stuff a null into
sessions.remove and Hashtable goes nuts...

I've changed the code of the method to this:

if(session != null){
  String sessionId=session.getId().toString();
  if(sessionId != null)
//      session.removeAllAttributes();

but that doesn't work either (although it avoids the null problem). The
code from AccessInterceptor, class FormSecurityCheckHandler, method
doService, reports 'Form login without a session' (by the way this is
misspelt in the source, it says: 'From login without a session') because
the session is null (actually the URL gets appended with jsessionid=null
when I hit the login form).

The behaviour seems to be there even if cookies are enabled.

Any ideas there?


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