Re: Triple initialization of Catalina/mod_webapp

[Daniel Rall <dl...@finemaltcoding.com>]

Let's play "Find The Misconfiguration!"

My server.xml for Catalina plus mod_webapp (comments removed):

<Server port="8005" shutdown="SHUTDOWN" debug="0">

  <Service name="Tomcat-Apache">

    <Connector className="org.apache.catalina.connector.warp.WarpConnector"
               port="11025" minProcessors="5" maxProcessors="75"
               acceptCount="10" debug="0" connectionTimeout="60000"/>

    <!-- Define the top level container in our container hierarchy -->
    <!-- See the following URL for a good configuration description:
     http://www.mail-archive.com/tomcat-user%40jakarta.apache.org/msg34591.html
    -->
    <Engine name="Apache" defaultHost="localhost" debug="0"
            className="org.apache.catalina.connector.warp.WarpEngine">

      <Logger className="org.apache.catalina.logger.FileLogger"
              directory="../log/debug" prefix="catalina" suffix=".log"
              timestamp="true"/>

      <Realm className="org.apache.catalina.realm.MemoryRealm" />

      <!-- Define the default virtual host -->
      <Host name="localhost" debug="0" appBase="webapps" unpackWARs="true">

        <Valve className="org.apache.catalina.valves.AccessLogValve"
               directory="../log/access" prefix="catalina_access" suffix=".log"
               pattern="common"/>

        <Logger className="org.apache.catalina.logger.FileLogger"
                directory="../log/debug" prefix="catalina" suffix=".log"
                timestamp="true"/>

        <Context path="/servlets" docBase="myapp"
                 reloadable="true" debug="0">
           <Loader checkInterval="1"
                   className="org.apache.catalina.loader.WebappLoader"/>
           <Manager debug="99"/>
        </Context>

      </Host>

    </Engine>

  </Service>

</Server>

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Re: Triple initialization of Catalina/mod_webapp

[Daniel Rall <dl...@finemaltcoding.com>]

Recently found a symlink which would explain this unexpected
behavior.  :-\

Daniel Rall <dl...@finemaltcoding.com> writes:

> This is a followup to a message I posted to the user list which
> describes some undesirable behavior of Tomcat 4.0.1 (unrelated to use
> of mod_webapp).
>
> My application's build process currently generates the deployment
> descriptor for my web app from many files which contain snippets of
> the final web.xml.  After generation of the deployment descriptor (as
> $SRC_DIR/conf/web.xml), it is then copied into the appropriate sub
> directory of my webapps tree.  At this point, I should be able to
> launch Catalina (using a $CATALINA_BASE of $SRC_DIR/site and
> $CATALINA_HOME of /usr/share/tomcat4).  However, the file
> $SRC_DIR/conf/web.xml is read in before
> $CATALINA_BASE/webapps/myapp/WEB-INF/web.xml.  Since both these files
> contain the same content, my web app is initialized multiple times.
>
> That the conf/web.xml relative to my current working directory is used
> at all at seems like undesirable behavior to me.  If a conf/web.xml
> file is going to be looked for at all, at the very least it could be
> looked for relative to $CATALINA_BASE.

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Re: Triple initialization of Catalina/mod_webapp

[Daniel Rall <dl...@finemaltcoding.com>]

This is a followup to a message I posted to the user list which
describes some undesirable behavior of Tomcat 4.0.1 (unrelated to use
of mod_webapp).

My application's build process currently generates the deployment
descriptor for my web app from many files which contain snippets of
the final web.xml.  After generation of the deployment descriptor (as
$SRC_DIR/conf/web.xml), it is then copied into the appropriate sub
directory of my webapps tree.  At this point, I should be able to
launch Catalina (using a $CATALINA_BASE of $SRC_DIR/site and
$CATALINA_HOME of /usr/share/tomcat4).  However, the file
$SRC_DIR/conf/web.xml is read in before
$CATALINA_BASE/webapps/myapp/WEB-INF/web.xml.  Since both these files
contain the same content, my web app is initialized multiple times.

That the conf/web.xml relative to my current working directory is used
at all at seems like undesirable behavior to me.  If a conf/web.xml
file is going to be looked for at all, at the very least it could be
looked for relative to $CATALINA_BASE.

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