我把Jive发布到Weblogic7.0.1.0下，同过了全部的setup步骤。
但我注册完一个用户之后按发布，服务器端就会报这个错误。
java.lang.NullPointerException
at jsp_servlet.__post._jspService(__post.java:202)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run
(ServletStubImpl.java:1058)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:401)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:445)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:306)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationActio
n.run(WebAppServletContext.java:5412)
at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic
eManager.java:744)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:3086)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:2544)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:153)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:134)
有谁能帮我解答一下这个问题？谢谢！