I don't know, but if you want to find out what is making your app break you need to find the cause first. By finding out what is pointing to a null value, it could help.
-----Original Message----- From: Luminous Heart [mailto:[EMAIL PROTECTED]] Sent: Monday, August 19, 2002 11:22 AM To: Tomcat Users List Subject: RE: It would be great IF somebody answered me, ONCE, for change :( Well, it is a big application. And it was working fine with tc3.x. I have never had such a problem. I noticed that I had to do lots of modifications to my code to get TC4.0.4 work. What is different? --- "Campano, Troy" <[EMAIL PROTECTED]> wrote: > Have you tried commenting out different parts of > your code to see what part is causing this problem? > > -----Original Message----- > From: Luminous Heart > [mailto:[EMAIL PROTECTED]] > Sent: Monday, August 19, 2002 11:14 AM > To: Tomcat Users List > Subject: It would be great IF somebody answered me, > ONCE, for change :( > > > I keep on asking this question but noone helps. Is > it > a bug in TC? > > Why do I get NullPointerException? If I press > refresh > a couple of times I would go through. > > 2002-08-19 00:53:32 StandardWrapperValve[jsp]: > Servlet.service() for servlet jsp threw exception > java.lang.NullPointerException > at > org.postgresql.core.QueryExecutor.execute(QueryExecutor.java:61) > at > org.postgresql.Connection.ExecSQL(Connection.java:398) > at > org.postgresql.jdbc2.Statement.execute(Statement.java:130) > at > org.postgresql.jdbc2.Statement.executeQuery(Statement.java:54) > at > org.postgresql.jdbc2.PreparedStatement.executeQuery(PreparedStatement.java:99) > at > com.codestudio.sql.PoolManPreparedStatement.executeQuery(Unknown > Source) > at > org.apache.jsp.AccountAccess$jsp._jspService(AccountAccess$jsp.java:207) > at > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:201) > at > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:381) > at > org.apache.jasper.servlet.JspServlet.service(JspServlet.java:473) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > 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.java:190) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > at > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:531) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > at > org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > 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:2347) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > at > org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > at > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > at > org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:392) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564) > 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:174) > at > org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) > at > org.apache.ajp.tomcat4.Ajp13Processor.process(Ajp13Processor.java:458) > at > org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:551) > at java.lang.Thread.run(Thread.java:536) > > > > __________________________________________________ > Do You Yahoo!? > HotJobs - Search Thousands of New Jobs > http://www.hotjobs.com > > -- > 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]> > __________________________________________________ Do You Yahoo!? HotJobs - Search Thousands of New Jobs http://www.hotjobs.com -- 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]>