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From "Craig R. McClanahan" <craig...@apache.org>
Subject Re: NullPointerException in Tomcat
Date Mon, 02 Dec 2002 17:28:45 GMT


On Mon, 2 Dec 2002, Bradley Ward wrote:

> Date: Mon, 2 Dec 2002 11:48:23 -0500
> From: Bradley Ward <bward@riverdrop.com>
> Reply-To: Tomcat Users List <tomcat-user@jakarta.apache.org>
> To: tomcat-user@jakarta.apache.org
> Subject: NullPointerException in Tomcat
>
> I am getting a NullPointerException, and the stack trace says it is down in
> the bowels of Tomcat somewhere. Can anyone give me any ideas of what might
> be wrong?
>
> Thanks
>
> Here is the stack trace:
>
> java.lang.NullPointerException
> 	at
> org.netbeans.modules.web.monitor.server.MonitorFilter.recordServletData(Moni
> torFilter.java:979)

The NPE is occurring here, not inside Tomcat.  Check at line 979 of this
class.

> 	at
> org.netbeans.modules.web.monitor.server.MonitorFilter.getDataBefore(MonitorF
> ilter.java:545)
> 	at
> org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter
> .java:180)
> 	at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
> FilterChain.java:213)

>From here on down is the normal stack trace you would expect when Tomcat
calls a Filter that is included in your webapp.

Craig


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