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From Mirek.Su...@intax.cz
Subject Problems with contextAdmin.jsp
Date Fri, 22 Sep 2000 12:40:26 GMT

Hello everybody.

Can you tell me, why contextAdmin.jsp under Tomcat 3.2b3 does not work?
(Under Tomcat 3.1 it worked very nice!). I have Tomcat installed on Windows
95.

     Thank you very much for any help.

          Mirek Subrt

There are in fact two problems: 1) security; 2) internal error 500.

ad 1) The problem with security can be easily solved. For example:
      by renaming of file web.xml at $TOMCAT_HOME/webapps/admin/WEB-INF
      (because of elements <security-constranint> and <login-config>).
      After that it is possible to load adminContext.html
      without any security dialog window.

ad 2) When I then load adminContext.html and press his button "View All
Contexts",
      this tries to open

http://localhost:8080/admin/contextAdmin/contextAdmin.jsp?submit=View+All+Contexts&addContextPath

&addContextDocBase=&removeContextName=),

      but instead of window for contextAdmin.jsp it displayes this internal
error 500:

Error: 500
Location:/admin/contextAdmin/contextAdmin.jsp
Internal Servlet Error:

javax.servlet.ServletException:
     at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:448)

     at contextAdmin.
_0002fcontextAdmin_0002fcontextAdmin_0002ejspcontextAdmin_jsp_0._jspService
(_0002fcontextAdmin_0002fcontextAdmin_0002ejspcontextAdmin_jsp_0.java,
Compiled Code)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)

     at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java,
Compiled Code)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:387)
     at org.apache.tomcat.core.Handler.service(Handler.java:263)
     at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371)
     at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:749)

     at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:695)
     at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:207)

     at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
Compiled Code)
     at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java,
Compiled Code)
     at java.lang.Thread.run(Thread.java, Compiled Code)

Root cause:
java.lang.NullPointerException:
     at ContextAdmin.init(ContextAdmin.java:46)
     at contextAdmin.
_0002fcontextAdmin_0002fcontextAdmin_0002ejspcontextAdmin_jsp_0._jspService
(_0002fcontextAdmin_0002fcontextAdmin_0002ejspcontextAdmin_jsp_0.java,
Compiled Code)
     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)

     at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java,
Compiled Code)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:387)
     at org.apache.tomcat.core.Handler.service(Handler.java:263)
     at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371)
     at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:749)

     at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:695)
     at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:207)

     at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
Compiled Code)
     at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java,
Compiled Code)
     at java.lang.Thread.run(Thread.java, Compiled Code)

-------
   Can you help me? What am I to do?
   Thanks you very much!


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