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Subject: RE: Disable class monitoring for reloading container classes
Date: Wed, 13 Oct 2010 12:28:52 -0700
Message-ID: <BAE7FA6DEC47CE41B484D09EBDDA3AEA0476B202@gluon.hq.aldon.com>
In-Reply-To: <4CB5F9AF.5010701@christopherschultz.net>
Thread-Topic: Disable class monitoring for reloading container classes
Thread-Index: ActrBCUG6f549hm0RK2RXxii8NEsbQAByq3Q
References: <BAE7FA6DEC47CE41B484D09EBDDA3AEA0476B1D2@gluon.hq.aldon.com>
 <4CAE3C0B.2060901@christopherschultz.net> <4CAE4113.5000209@pidster.com>
 <4CAF339F.5070806@christopherschultz.net>
 <BAE7FA6DEC47CE41B484D09EBDDA3AEA0476B1E6@gluon.hq.aldon.com>
 <4CAFC571.60908@christopherschultz.net>
 <BAE7FA6DEC47CE41B484D09EBDDA3AEA03845285@gluon.hq.aldon.com>
 <BAE7FA6DEC47CE41B484D09EBDDA3AEA0476B1E7@gluon.hq.aldon.com>
 <4CB4A5C4.1070006@christopherschultz.net>
 <BAE7FA6DEC47CE41B484D09EBDDA3AEA0476B201@gluon.hq.aldon.com>
 <4CB5F9AF.5010701@christopherschultz.net>
From: "Jane Muse" <JMuse@aldon.com>
To: "Tomcat Users List" <users@tomcat.apache.org>

Here's my context.xml:

 ************Beginning of data**************

<?xml version=3D'1.0' encoding=3D'utf-8'?>

<!--

  Licensed to the Apache Software Foundation (ASF) under one or more

  contributor license agreements.  See the NOTICE file distributed with

  this work for additional information regarding copyright ownership.

  The ASF licenses this file to You under the Apache License, Version
2.0     =20
  (the "License"); you may not use this file except in compliance with

  the License.  You may obtain a copy of the License at

=20

      http://www.apache.org/licenses/LICENSE-2.0

=20

  Unless required by applicable law or agreed to in writing, software

  distributed under the License is distributed on an "AS IS" BASIS,

  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied.    =20
  See the License for the specific language governing permissions and

  limitations under the License.

-->

<!-- The contents of this file will be loaded for each web application
-->    =20
<Context>

=20

    <!-- Default set of monitored resources -->

    <!-- WatchedResource>WEB-INF/web.xml</WatchedResource -->

=20

    <!-- Uncomment this to disable session persistence across Tomcat
restarts -->        =20
    <!--

    <Manager pathname=3D"" />

    -->

=20

    <!-- Uncomment this to enable Comet connection tacking (provides
events              =20
         on session expiration as well as webapp lifecycle) -->

    <!--

    <Valve
className=3D"org.apache.catalina.valves.CometConnectionManagerValve" />

    -->

=20

</Context> =20

=20


_____________

We are not defining our webapps context file in META-INF/context.xml. It
is outside the CATALINA_BASE, in a separate directory that contains the
War file, the context file and a conf directory for the webapp. Here's
the contents of the <webapp>.xml file:

 ************Beginning of data**************               =20
<Context                                                   =20
 docBase=3D"<webapp_dir>>/>webapp>.war"=20
 path=3D"<webapp>"                               =20
 reloadable=3D"false">                                       =20
</Context>

_________________________

"<webapp>" is the name of the webapp directory in
<catalina_base>/webapps/<webapp>.

Jane                                                 =20
 ************End of Data********************                 =20

-----Original Message-----
From: Christopher Schultz [mailto:chris@christopherschultz.net]=20
Sent: Wednesday, October 13, 2010 11:26 AM
To: Tomcat Users List
Subject: Re: Disable class monitoring for reloading container classes

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Hash: SHA1

Jane,

On 10/13/2010 1:51 PM, Jane Muse wrote:
> I found that reloadable=3D"false" does not suppress tomcat from =
watching

> if files change in WEB-INF/lib, even though the docs say it does:

Please log a bug. Note that bugs logged against old versions of Tomcat
(6.0.18 is over two years old) are often met with "upgrade to latest,
then retest" instructions.

Upgrading would certainly be a good idea in general.

> Can I safely say I've run into both an IBM and a tomcat bug?

I'm not convinced that either are true, honestly. There are plenty of
explanations that do not require either your OS or Tomcat to have a bug.

> I'm on
> tomcat 6.0.18 and I've searched the 6.0.29 change logs, didn't see=20
> anything for this issue that's been fixed.

We run in production on 5.5.x and 6.0.x both with default "reloadable"
values (that is, "false") and changes to files in WEB-INF/classes and
WEB-INF/lib do not trigger automatic reloads. My experience leads me to
believe that Tomcat works properly and that your configuration is
somehow broken.

Can you post your TOMCAT_HOME/conf/context.xml file as well as your
webapp's META-INF/context.xml file? Take care to remove sensitive
information, particularly from the latter.

Thanks,
- -chris
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