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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Servlet Context Initialized more than once
Date Mon, 02 Feb 2004 14:02:06 GMT

Howdy,
It's because you have both autoDeploy/liveDeploy enabled (which makes
tomcat scan the appBase directory for webapps and deploy them
automatically), AND a Context explicitly defined in server.xml.  So
tomcat does both and that's why you get double deployment.

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Zoltan Regos [mailto:jar@axelero.hu]
>Sent: Saturday, January 31, 2004 5:22 AM
>To: 'Tomcat Users List'
>Subject: Servlet Context Initialized more than once
>
>Hi All,
>
>I have been using Tomcat 4.1.18 with Apache2.  I would need a class
file
>to be called via the ServletContextListener to make some init things
>before any of my servlets would be called.  I managed to get Tomcat to
>call my ServletContextListener when the context is initialized but for
>some unknown reason it is called twice as there would be two separate
>contexts.  The first call occurs automatically right after I start the
>Tomcat but there is a second one when any of the servlets are called
>through a browser.
>
>Can you please anyone explain to me if there is a way to make it behave
>as there would be only servlet context - I would need the global
>initialization to be called only once.  On quitting tomcat there are
two
>entries at the end of its log file clearly showing that two contexts
>have been created.  (tomcat log file is also attached).
>
>Thank you in advance,
>
>Zoltan
>
>snippet from server.xml, one context path:
>
>        <Context path="/servlets/sitedirector" docBase="sitedirector"
>debug="0"
>                         reloadable="false" crossContext="false">
>
>snippet from web.xml under
>w:\WebRoot-Tomcat\sitedirector\WEB-INF\web.xml
>
>            <listener>
>
><listener-class>sitedirector.common.ConfigFirst</listener-class>
>            </listener>
>
>tomcat log file:
>
>2004-01-30 18:17:18 WebappLoader[/servlets/sitedirector]: Deploying
>class repositories to work directory
>C:\dev\tomcat-4.1.18-LOGIN\work\Standalone\localhost\servlets_sitedirec
tor
>
>2004-01-30 18:17:18 WebappLoader[/servlets/sitedirector]: Deploy class
>files /WEB-INF/classes to
w:\WebRoot-Tomcat\sitedirector\WEB-INF\classes
>
>2004-01-30 18:17:18 StandardManager[/servlets/sitedirector]: Seeding
>random number generator class java.security.SecureRandom
>2004-01-30 18:17:18 StandardManager[/servlets/sitedirector]: Seeding of
>random number generator has been completed
>2004-01-30 18:17:18 StandardWrapper[/servlets/sitedirector:default]:
>Loading container servlet default
>2004-01-30 18:17:18 StandardWrapper[/servlets/sitedirector:invoker]:
>Loading container servlet invoker
>2004-01-30 18:17:34 HostConfig[localhost]: Deploying web application
>directory sitedirector
>2004-01-30 18:17:34 StandardHost[localhost]: Installing web application
>at context path /sitedirector from URL
>file:W:\WebRoot-Tomcat\sitedirector
>2004-01-30 18:17:34 WebappLoader[/sitedirector]: Deploying class
>repositories to work directory
>C:\dev\tomcat-4.1.18-LOGIN\work\Standalone\localhost\sitedirector
>2004-01-30 18:17:34 WebappLoader[/sitedirector]: Deploy class files
>/WEB-INF/classes to W:\WebRoot-Tomcat\sitedirector\WEB-INF\classes
>2004-01-30 18:17:34 StandardManager[/sitedirector]: Seeding random
>number generator class java.security.SecureRandom
>2004-01-30 18:17:34 StandardManager[/sitedirector]: Seeding of random
>number generator has been completed
>2004-01-30 18:17:34 StandardWrapper[/sitedirector:default]: Loading
>container servlet default
>2004-01-30 18:17:34 StandardWrapper[/sitedirector:invoker]: Loading
>container servlet invoker
>2004-01-30 18:19:46 StandardHost[localhost]: Removing web application
at
>context path /sitedirector
>2004-01-30 18:19:46 StandardHost[localhost]: Removing web application
at
>context path /servlets/sitedirector
>
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