Re: NullPointerException in Tomcat
It's more a Netbeans error than a Tomcat error. I'm sure you will receive a better answer in the Netbeans users mailling list. Sorry :-( -- Jeanfrancois Bradley Ward wrote: 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) 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) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:201) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.netbeans.modules.web.monitor.catalina.MonitorValve.invoke(MonitorValve.j ava:142) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :163) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1011) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106 ) at java.lang.Thread.run(Thread.java:536) -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: NullPointerException in Tomcat
Nope - the NPE is here (line 1 of stack trace): org.netbeans.modules.web.monitor.server.MonitorFilter.recordServletData(MonitorFilter.java:979) -Tim Bradley Ward wrote: 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) 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) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:201) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:2 46) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.netbeans.modules.web.monitor.catalina.MonitorValve.invoke(MonitorValve.j ava:142) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :163) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1011) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106 ) at java.lang.Thread.run(Thread.java:536) -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: NullPointerException in Tomcat
Bradley Ward wrote: I see that it is in the netbeans level, but I was hoping someone in the Tomcat world would know what is going on. None of my modules are in the call stack; it is all within some internal Tomcat call. Since there is none of my code involved, it would appear that Tomcat is calling netbeans in some invalid manner. Does this mean in order to work with Tomcat I will have to diagnose Tomcat source code AND Netbeans also? I surely hope not... The Netbeans team have added listener to Tomcat. The exception is occuring when Tomcat call those listeners. So you just have to read Netbeans code ;-)Can you give more information on how you produce the error. I suspect a bug in your code -- Jeanfrancois -Original Message- From: Tim Funk [mailto:[EMAIL PROTECTED]] Sent: Monday, December 02, 2002 11:54 AM To: Tomcat Users List Subject: Re: NullPointerException in Tomcat Nope - the NPE is here (line 1 of stack trace): org.netbeans.modules.web.monitor.server.MonitorFilter.recordServle tData(MonitorFilter.java:979) -Tim Bradley Ward wrote: 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.recordServle tData(Moni torFilter.java:979) at org.netbeans.modules.web.monitor.server.MonitorFilter.getDataBefor e(MonitorF ilter.java:545) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(Mon itorFilter .java:180) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(A pplication FilterChain.java:213) at org.apache.catalina.core.ApplicationFilterChain.doFilter(Applicati onFilterCh ain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapp erValve.ja va:243) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContextValve.invoke(StandardConte xtValve.ja va:201) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 66) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesVa lve.java:2 46) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 64) at org.netbeans.modules.web.monitor.catalina.MonitorValve.invoke(Moni torValve.j ava:142) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValv e.java:164 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 66) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispat cherValve. java:170) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValv e.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngine Valve.java :163) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipel ine.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProce ssor.java: 1011) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor .java:1106 ) at java.lang.Thread.run(Thread.java:536) -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
Re: NullPointerException in Tomcat
On Mon, 2 Dec 2002, Bradley Ward wrote: Date: Mon, 2 Dec 2002 11:48:23 -0500 From: Bradley Ward [EMAIL PROTECTED] Reply-To: Tomcat Users List [EMAIL PROTECTED] To: [EMAIL PROTECTED] 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 -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: NullPointerException in Tomcat
When you mentioned the filters in my web app, I thought but I don't use any filters. Heck, I don't even know for sure what they are. But (and this is a big but), I am using the Tomcat that comes bundled with the Sun One IDE, and IT was putting both a filter and a valve into the server.xml file. I removed these and have been able to proceed. So it would assume there is some sort of problem with the Sun One IDE in this regard. Thanks! Brad -Original Message- From: Craig R. McClanahan [mailto:[EMAIL PROTECTED]] Sent: Monday, December 02, 2002 12:29 PM To: Tomcat Users List Subject: Re: NullPointerException in Tomcat On Mon, 2 Dec 2002, Bradley Ward wrote: Date: Mon, 2 Dec 2002 11:48:23 -0500 From: Bradley Ward [EMAIL PROTECTED] Reply-To: Tomcat Users List [EMAIL PROTECTED] To: [EMAIL PROTECTED] 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.recordServle tData(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.getDataBefor e(MonitorF ilter.java:545) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(Mon itorFilter .java:180) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(A pplication 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 -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]