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From "Shapira, Yoav" <>
Subject RE: Tomcat 5.5.0 - Child name is not unique error
Date Tue, 07 Sep 2004 15:04:21 GMT

There's nothing strange about this error: you can't have two webapps
wieh the same path.  You couldn't in Tomcat 4.x or 5.0.x, and you can't
in 5.5.x. ;)

Yoav Shapira
Millennium Research Informatics

>-----Original Message-----
>From: helena rato []
>Sent: Tuesday, September 07, 2004 11:01 AM
>Subject: Tomcat 5.5.0 - Child name is not unique error
>Hi all,
>Here is the problem description:
>I have Linux RedHat 9 (kernel 2.4.20-8).
>I have Java jdk 1.5.0
>I have installed tomcat 5.5.0
>I create a brand new web app, I call it 'blabli' :
>mkdir $CATALINA_HOME/webapps/blabli
>mkdir $CATALINA_HOME/webapps/blabli/WEB-INF
>mkdir $CATALINA_HOME/webapps/blabli/WEB-INF/classes
>mkdir $CATALINA_HOME/webapps/blabli/WEB-INF/lib
>In $CATALINA_HOME/webapps/blabli/WEB-INF, I added a web.xml file, as
>[root@gx400 root]# cat $CATALINA_HOME/webapps/blabli/WEB-INF/web.xml
><?xml version="1.0" encoding="ISO-8859-1"?>
><!DOCTYPE web-app
>    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
>    "">
>    <display-name>Servlet 2.4 Examples</display-name>
>    <description>
>      Servlet 2.4 Examples.
>    </description>
>I re-start tomcat.
>At this point, tomcat runs fine.
>Now, I add a logger using a context tag in
>The code added to $CATALINA_HOME/conf/server.xml is:
>        <Context path="/blabli" docBase="blabli"
>                debug="5" reloadable="true" crossContext="true">
>          <Logger className="org.apache.catalina.logger.FileLogger"
>                     prefix="localhost_blabli_log." suffix=".txt"
>                  timestamp="true"/>
>        </Context>
>I re-start tomcat.
>And I get a strange error!
>The error in catalina.out is:
>[GC 3771K->3357K(5044K), 0.0031900 secs]
>Sep 7, 2004 10:51:21 AM org.apache.catalina.startup.HostConfig
>SEVERE: Error deploying web application directory blabli
>java.lang.IllegalArgumentException: addChild:  Child name '/blabli' is
>        at
>        at
>Thank-you in advance for any clue!
>Do you Yahoo!?
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