NullPointerException encountered when I try to connect Scarab after installed successfully
Xinqingxiang <[email protected]> Tue, 07 Feb 2012 07:09:33 +0000
| Newsgroups | gmane.comp.java.scarab.user |
|---|---|
| Message-ID | <3CEB0C19EDA2284FBD5BAD369EE61F1506ABC7E9@szxeml525-mbs.china.huawei.com> |
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I got the following exception when I tried to logon the Scarab, after installed successfully. The Tomcat is the one packed with Scarab-0.21,MySQL is my database server,and J2SDK_1.4.0-01 also installed successfully.
Please give me some hints on how to solve this problem,thanks.
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
at org.apache.turbine.Turbine.doGet(Turbine.java:325)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
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:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)
at java.lang.Thread.run(Thread.java:536)
Apache Tomcat/4.1.29-LE-jdk14
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<div class="Section1">
<p class="MsoNormal"><span lang="EN-US">I got the following exception when I tried to logon the Scarab, after installed successfully. The Tomcat is the one packed with Scarab-0.21,MySQL is my database server,and J2SDK_1.4.0-01 also installed successfully.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Please give me some hints on how to solve this problem,thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">type Exception report<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">message<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">description The server encountered an internal error () that prevented it from fulfilling this request.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">exception<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">java.lang.NullPointerException<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.turbine.Turbine.doGet(Turbine.java:325)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:494)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> at java.lang.Thread.run(Thread.java:536)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Apache Tomcat/4.1.29-LE-jdk14<o:p></o:p></span></p>
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