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From "Robert Hunt" <robert-h...@comcast.net>
Subject TC 5.0.28 AdminTool -- nodes under Tomcat Server throwing exceptions
Date Tue, 15 Feb 2005 02:11:16 GMT
TC 5.0.28 running "out of the box", the admin tool works fine; tree view expands and all nodes
are accessible.


Trying to run the admin tool with my own (pared down) server.xml generates the following when
clicking the "Service (Catalina)" node:
javax.servlet.ServletException: Define tag cannot set a null value
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
	admin.service.service_jsp._jspService(service_jsp.java:848)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause 
javax.servlet.jsp.JspException: Define tag cannot set a null value
	org.apache.struts.taglib.bean.DefineTag.doEndTag(DefineTag.java:272)
	admin.service.service_jsp._jspService(service_jsp.java:237)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

==================================

I can click the handle and have the tree view expand ok, but clicking the node triggers the
exception.  

The Logger and Valve nodes work OK.  However, the "Host (localhost)" node and each "Context
(/xxx)" node also kick:

Host:
java.lang.NullPointerException
	org.apache.struts.taglib.logic.CompareTagBase.condition(CompareTagBase.java:179)
	org.apache.struts.taglib.logic.NotEqualTag.condition(NotEqualTag.java:90)
	org.apache.struts.taglib.logic.ConditionalTagBase.doStartTag(ConditionalTagBase.java:218)
	admin.host.host_jsp._jspService(host_jsp.java:440)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:455)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

Context:
 Error retrieving attribute debug 




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