谢谢,帮我解释一下<2003-6-27 下午04时18分30秒> <Error> <HTTP> <101017> <[ServletContext(id=1056573 1,name=DefaultWebApp,context-path=)] Root cause of ServletException java.lang.NullPointerException at jsp_servlet._test1.__cpzs._jspService(__cpzs.java:133) at weblogic.servlet.jsp.JspBase.service(JspBase.java:27) at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run (ServletStubImpl.java:945) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm pl.java:332) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm pl.java:242) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio n.run(WebAppServletContext.java:5363) at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic eManager.java:721) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe rvletContext.java:3043) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm pl.java:2466) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133) >
1,name=DefaultWebApp,context-path=)] Root cause of ServletException
java.lang.NullPointerException
at jsp_servlet._test1.__cpzs._jspService(__cpzs.java:133)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:945)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:332)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:242)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:5363)
at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic
eManager.java:721)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3043)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2466)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133)
>