Error500java.lang.NullPointerExceptionatjspservlet.index.jspService(index.java:122)atweblogic.servlet.jsp.JspBase.service(JspBase.java:33)atweblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1077)

Question

Error 500
java.lang.NullPointerException at jsp_servlet.__index._jspService(__index.java:122) at weblogic.servlet.jsp.JspBase.service(JspBase.java:33) at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1077) at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) at com.base.struts.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:126) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:7053) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121) at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3902) at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2773) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)

Answer 1

java.lang.NullPointerException
这个是空指针异常
你可以采用定点调试的方法
找出控制正就OK了