compile your sources with debug turned on. This will give you line numbers
This is a problem in your MnvuPage class. Some object is null and you don't check for null before using it. Charlie > -----Original Message----- > From: Joel Sather [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, March 20, 2002 2:32 PM > To: [EMAIL PROTECTED] > Subject: Re: Tomcat 4.0.1 to 4.0.3 upgrade problem > > > > This is some more info about this problem. The error I get from the > servlet is this: > > java.lang.NullPointerException > at mnvu.MnvuPage.(Unknown Source) > at mnvu.MnvuServlet.doGet(Unknown Source) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilt > er(ApplicationFilterChain.java:247) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli > cationFilterChain.java:193) > ... > > Since it does work when I call it directly via Tomcat, is there some > sort of a context problem? I believe the problem stems from a servlet > initialization failure when called via Apache, but I'm having some > problems finding exactly where to look. Note that this does work fine > under Tomcat 4.0.1, but not 4.0.2 or 4.0.3. I'm almost tempted to > believe that the servlet isn't getting the request/response values in > the doGet() method--any idea what causes Unknown Source at that level? > > Thanks, > Joel > > > Joel Sather > email: [EMAIL PROTECTED] > phone: 651-917-4719 > > >>> [EMAIL PROTECTED] 03/19/02 05:29PM >>> > > Hi, I'm having a problem getting one webapp to work when I upgrade to > 4.0.3. Although the webapp responds normally under the Tomcat port, > when I try to access it via Apache (AJP1.3 connector), it somehow gets > a > null pointer error. The strange thing is that there are two other > apps > that have identical frameworks that work just fine via Apache. The > problem app also has some JSP files and they work just fine--it is > just > the servlets that fail. Does Apache somehow trash the request header > in > 4.0.3 or something? Any help would be great, I've been messing with > this all day. Also, it failed in the same way under 4.0.2. > > Working system: Apache 1.3.20 w/ AJP1.3 and Tomcat 4.0.1 (self built) > Failing systems: Apache 1.3.20 w/ AJP1.3 and Tomcat 4.0.2 or 3 binary > builds > Configurations: Same WAR deployments and server.xml, web.xml configs > all around. Apache is tweaked to point to the modified > workers.properties file. > System: Sun Solaris (SunOS 5.7--forget what that is in Solaris > numbers). > > Let me know what other info I can provide about the system. The > reason > I need to upgrade is due to some problems with Tomcat 4.0.1 hanging > under heavy load. > > Thanks, > Joel > > > Joel Sather > email: [EMAIL PROTECTED] > phone: 651-917-4719 > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > > > -- > To unsubscribe: <mailto:[EMAIL PROTECTED]> > For additional commands: <mailto:[EMAIL PROTECTED]> > Troubles with the list: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe: <mailto:[EMAIL PROTECTED]> For additional commands: <mailto:[EMAIL PROTECTED]> Troubles with the list: <mailto:[EMAIL PROTECTED]>