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From Luminous Heart <luminoushe...@yahoo.com>
Subject RE: It would be great IF somebody answered me, ONCE, for change :(
Date Mon, 19 Aug 2002 16:59:33 GMT
It is always nice to have an extra debugger handy :) I
am testing JTest but am not sure it is really what I
need. I would appreciate your help if you can send me
yours.

Thank you in advance.

--- micael <caraunltd@harbornet.com> wrote:
> If you have a debugger, all you have to do is to
> follow the bouncing ball 
> and find the null reference.  That will be the
> fastest way to find this 
> problem.  It should not take long.  If you don't
> have a debugger, I will 
> send you one I made to use, and I like better than
> the standard debuggers.
> 
> At 08:49 AM 8/19/2002 -0700, you wrote:
> >I am sorry, but I did not get what you mean with
> >connection limit to be a hard limit, which one is
> >that?
> >
> >I am including a copy of my pool.xml if you care do
> >point out what should be changed.
> >
> >Thank you in advance.
> >
> >==================== Pool.xml =====================
> ><?xml version="1.0" encoding="UTF-8"?>
> >
> ><poolman>
> >
> >   <management-mode>local</management-mode>
> >
> >   <datasource>
> >
> >     <!-- ============================== -->
> >     <!-- Physical Connection Attributes -->
> >     <!-- ============================== -->
> >
> >     <!-- Standard JDBC Driver info -->
> >
> >     <dbname>webdev</dbname>
> >     <jndiName>webdev</jndiName>
> >     <driver>org.postgresql.Driver</driver>
> >    
> <url>jdbc:postgresql://localhost:6093/webdev</url>
> >
> >     <username>JustAUserName</username>
> >     <password>JustAUserNamePassword</password>
> >
> >     <!-- Oracle needs this to be set to true -->
> >     <nativeResults>true</nativeResults>
> >
> >     <minimumSize>1</minimumSize>
> >     <maximumSize>10</maximumSize>
> >     <connectionTimeout>600</connectionTimeout>
> >     <userTimeout>12</userTimeout>
> >     <shrinkBy>10</shrinkBy>
> >
> >
>
><logFile>/usr/local/tomcat/logs/poolman.log</logFile>
> >     <debugging>false</debugging>
> >
> >     <!-- Query Cache Attributes-->
> >
> >     <cacheEnabled>false</cacheEnabled>
> >     <cacheSize>20</cacheSize>
> >    
> <cacheRefreshInterval>120</cacheRefreshInterval>
> >
> >   </datasource>
> >
> ></poolman>
> >
> >==================== End Pool.xml =================
> >--- Mike Jackson <mjackson@cdi-hq.com> wrote:
> > > Actually now that I think about it more that
> might
> > > be the cause of the null
> > > pointer (but
> > > probably not).  In your poolman.xml file have
> you
> > > set the connection limit
> > > to be a hard
> > > limit?  If you timeout on connections (user
> timeout)
> > > is fairly high you
> > > could run out of
> > > connections, and it might return a "null"
> instead of
> > > a connection.
> > >
> > > But that's just a guess.  Also, you might was to
> > > also turn on logging (debug
> > > level) in
> > > poolman as well so that you can watch the
> > > connections getting checked out
> > > and in.
> > >
> > > --mikej
> > > -=-----
> > > mike jackson
> > > mjackson@cdi-hq.com
> > >
> > > > -----Original Message-----
> > > > From: Luminous Heart
> > > [mailto:luminousheart@yahoo.com]
> > > > Sent: Monday, August 19, 2002 8:36 AM
> > > > To: Tomcat Users List
> > > > Subject: Re: It would be great IF somebody
> > > answered me, ONCE, for change
> > > > :(
> > > >
> > > >
> > > > Hi Graig,
> > > > Here is my jsp file. I am not sure what might
> be
> > > > wrong. Although the same error happens in a
> bigger
> > > > application in a tc cluster of 3 tomcats. Two
> of
> > > these
> > > > tcs fail while one does not get any forwards
> after
> > > > that.
> > > >
> > > > Please take a look at my code, if you do not
> mind.
> > > >
> > > > Best regards.
> > > >
> > > > ===================== JSP
> =====================
> > > > <%@ page import="java.io.*" %>
> > > > <%@ page import="java.util.*" %>
> > > > <%@ page import="java.text.*" %>
> > > >
> > > > <%@ page import="java.util.Properties" %>
> > > > <%@ page import="java.util.Date" %>
> > > >
> > > > <%@ page contentType="text/html"%>
> > > >
> > > > <%@ page import="com.codestudio.util.*"%>
> > > > <%@ page import="java.sql.*"%>
> > > >
> > > > <!-- %@ include file="no-cache.jsp" % -->
> > > >
> > > > <form action="UserAccount.jsp" method=post
> > > > name="access_form">
> > > >   <table width="90%" align="center">
> > > >   <tr>
> > > >               <th bgcolor="#CCCCFF" colspan=3>
> > > <font
> > > > size=5>User Access</font></th>
> > > >
> > > >     <td>&nbsp;</td>
> > > >     <td>&nbsp;</td>
> > > >     <td>&nbsp;</td>
> > > >   </tr>
> > > >   <tr>
> > > >     <td>
> > > >         <center>
> > > >           <table cellpadding=4 cellspacing=2
> > > border=0>
> > > >             <th bgcolor="#CCCCFF" colspan=2>
> <font
> > > > size=5>User Access by userid</font></th>
> > > >             <tr bgcolor="#c8d8f8">
> > > >               <td valign=top colspan=2>
> <b>User
> > > > Name</b><br>
> > > >                 <input type="text"
> > > name="byusername"
> > > > size=25 value=""  maxlength=25>
> > > >               </td>
> > > >             </tr>
> > > >           </table>
> > > > </center>
> > > > </td>
> > > >     <td>
> > > >         <center>
> > > >           <table cellpadding=4 cellspacing=2
> > > border=0>
> > > >             <th bgcolor="#CCCCFF" colspan=2>
> <font
> > > > size=5>User Access by Date</font><font
> > > size=1></font>
> > > >             </th>
> > > >             <tr bgcolor="#c8d8f8">
> > > >               <td valign=top> <b>Date</b><br>
> > > >                 <input type="text"
> name="bydate"
> > > > value="" size=25  maxlength=125>
> > > >                 <br>
> > > >               </td>
> > > >             </tr>
> > > >           </table>
> > > > </center>
> > > > </td>
> > > >     <td>
> > > >         <center>
> > > >           <table cellpadding=4 cellspacing=2
> > > border=0>
> > > >             <th bgcolor="#CCCCFF" colspan=2>
> <font
> > > > size=5>USER Access by IP Address</font>
> > > >             </th>
> > > >             <tr bgcolor="#c8d8f8">
> 
=== message truncated ===


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