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From Andy Cohen <aco...@stanford.edu>
Subject Admin app fails with "MBeanServer is not available"
Date Mon, 20 Dec 2004 17:29:59 GMT
I've searched the mailing list archives, and the net at large, but I haven't
seen anyone report this problem for Tomcat 5:

I downloaded and installed Tomcat 5.5.4, and version 5.5.4 of the Admin
webapp. The Admin webapp starts up fine, but when I click on the
"Environment Entries" button in the Admin webapp, I get the error message
which I've appended to this email. I've tried downloading various
incarnations of JMX jars, and putting them in various Tomcat folders, as
some archived messages recommended for this problem under Tomcat 4.x, but
to no avail.

Is this a real bug, or am I just doing something wrong?

Thanks for any help,

    Andy Cohen
    System Software Developer
    acohen@stanford.edu

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

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it
from fulfilling this request.

exception

javax.servlet.ServletException: MBeanServer is not available
	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:845)
	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:778)
	admin.resources.listEnvEntries_jsp._jspService(listEnvEntries_jsp.java:437)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

root cause

javax.servlet.jsp.JspException: MBeanServer is not available
	org.apache.webapp.admin.AttributeTag.doEndTag(AttributeTag.java:163)
	admin.resources.listEnvEntries_jsp._jspx_meth_controls_attribute_0(listEnvEntries_jsp.java:766)
	admin.resources.listEnvEntries_jsp._jspService(listEnvEntries_jsp.java:380)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
	org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
	org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

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