Started but problem

[Migrated From Jforum.net]

well the thing started but now the first page gives...the following ..



" Forum Index
Information


An error has occurred.

For detailed error information, please see the HTML source code, and contact the forum Administrator.

java.lang.reflect.InvocationTargetException


Forum Index
""


on checking the source the following was displayed....


<!-- BEGIN ERROR STACK TRACE <br /> net.jforum.exceptions.ForumException: java.lang.reflect.InvocationTargetException <br /> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) <br /> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <br /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:324) <br /> at net.jforum.Command.process(Command.java:117) <br /> at net.jforum.JForum.processCommand(JForum.java:220) <br /> at net.jforum.JForum.service(JForum.java:203) <br /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) <br /> at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59) <br /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186) <br /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) <br /> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) <br /> at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) <br /> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) <br /> at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) <br /> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) <br /> at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) <br /> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) <br /> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) <br /> at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) <br /> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) <br /> at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) <br /> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) <br /> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) <br /> at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) <br /> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) <br /> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) <br /> at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) <br /> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793) <br /> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:702) <br /> at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571) <br /> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:644) <br /> at java.lang.Thread.run(Thread.java:534) <br /> Caused by: java.lang.reflect.InvocationTargetException <br /> ... 35 more <br /> Caused by: java.lang.NullPointerException <br /> at net.jforum.view.forum.ForumAction.list(ForumAction.java:147) <br /> ... 35 more <br /> <br /> END ERROR STACK TRACE-->[/code]


now please suggest what to do???


i m also attaching a screen shot of it
[originally posted on jforum.net by sourav.bardhan]

[Migrated From Jforum.net]

Which is your JForum and MySQL version? Is it happening all the time?

Rafael
[originally posted on jforum.net by Rafael Steil]

[Migrated From Jforum.net]

its ok it has started...i made a mistake in configuring the datasource..
[originally posted on jforum.net by sourav.bardhan]