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求助解决一个空指针异常！谢谢！

java_lhl

发贴: 3

于 2008-08-27 08:55

控制台打出来的是这个异常，但我找了好久也没找出来原因，请大家帮忙，谢谢！
org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
  at org.apache.jsp.sysmgr.user_005fmodify_jsp._jspService(user_005fmodify_jsp.java:161)
  at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:393)
  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  at java.lang.Thread.run(Thread.java:619)

• 关于异常。。。。谢谢指教

话题树型展开

人气	标题	作者	字数	发贴时间
7599	求助解决一个空指针异常！谢谢！	java_lhl	1925	2008-08-27 08:55
6609	Re:求助解决一个空指针异常！谢谢！	junyuo	86	2008-08-27 11:12
6785	Re:求助解决一个空指针异常！谢谢！	yangboqing	20	2008-08-27 12:34

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