Struts2 problem
Hi
Iam newbie to Struts2.Whenever i used struts-tags lib to build user interfaces iam getting NullPointerException coming at TagUtils.java
my simple jsp page is looks like this
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<h1>Input page</h1>
<html>
<s:form action="HelloWorld.action" >
<s:submit/>
</s:form>
</html>
and iam getting following NullPointerException
Error 500--Internal Server Error
java.lang.NullPointerException
at org.apache.struts2.views.jsp.TagUtils.getStack(TagUtils.java:60)
at org.apache.struts2.views.jsp.StrutsBodyTagSupport.getStack(StrutsBodyTagSupport.java:52)
at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:49)
at jsp_servlet.__index._jsp__tag0(__index.java:127)
at jsp_servlet.__index._jspService(__index.java:98)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:226)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:124)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3367)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Lweblogic.security.acl.internal.AuthenticatedSubject;Lweblogic.security.acl.internal.AuthenticatedSubject;Ljava.security.PrivilegedAction;)Ljava.lang.Object;(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2117)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2023)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1359)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
