You are getting a null pointer exception because one of your variables referencing an object has not been instantiated and has a null value. That is the answer to your question.
At 08:14 AM 8/19/2002 -0700, you wrote: >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]>
