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From "Andreas Veithen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SYNAPSE-524) Patches are not applied to the WAR distribution
Date Sun, 24 May 2009 11:30:45 GMT

    [ https://issues.apache.org/jira/browse/SYNAPSE-524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712542#action_12712542
] 

Andreas Veithen commented on SYNAPSE-524:
-----------------------------------------

Adding them to the system classpath will not work, at least not with the current way we provide
the patches. The reason is that our patches only contain individual classes. If we add them
to the system classpath, they will not see their dependencies which reside in the web app.
The patches must be loaded from the same class loader from which the original JARs are loaded.
In addition deploying the patches to the system classloader may have unpredictable impact
on other applications running on the server (which may use a different version of the original
JAR!).

> Patches are not applied to the WAR distribution
> -----------------------------------------------
>
>                 Key: SYNAPSE-524
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-524
>             Project: Synapse
>          Issue Type: Bug
>            Reporter: Andreas Veithen
>            Assignee: Andreas Veithen
>             Fix For: 1.3
>
>
> I noticed that the patches (e.g. httpcore-nio-4.0-patch-httpcore-193.jar) are bundled
with the ZIP distribution, but not with the Web application. This could cause inconsistent
behavior between a standalone deployment and a deployment into an application server.
> According to the servlet spec (SRV.9.5 in v2.4), "The Web application class loader must
load classes from the WEB-INF/classes directory first, and then from library JARs in the WEB-INF/lib
directory." This gives a hint how to bundle these patches into the WAR so that the modified
classes have priority.

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