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From "Sanjay Deshmukh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-6452) FileUtil.getDefaultTempDir() causes a classloader leak in webapps
Date Thu, 13 Jun 2013 21:59:19 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-6452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sanjay Deshmukh updated CAMEL-6452:
-----------------------------------

    Attachment: 0001-Fixed-CAMEL-6452-by-adding-a-cleanup-routine-to-remo.patch

Patch to fix issue
                
> FileUtil.getDefaultTempDir() causes a classloader leak in webapps
> -----------------------------------------------------------------
>
>                 Key: CAMEL-6452
>                 URL: https://issues.apache.org/jira/browse/CAMEL-6452
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.10.4
>         Environment: tomcat 7, spring 3.2
>            Reporter: Sanjay Deshmukh
>         Attachments: 0001-Fixed-CAMEL-6452-by-adding-a-cleanup-routine-to-remo.patch
>
>
> FileUtil.getDefaultTempDir() registers a JVM shutdown hook to delete the temporary directory
it creates. We are using camel in a web application in Tomcat that gets dynamically reloaded
as updates are available, so the JVM is normally never shut down. This is causing 'camel-tmp-*'
directories to linger in $CATALINA_HOME/temp, and - more importantly - classloader leaks,
which are a major problem for us.
> If the thread that gets registered as the shutdown hook were stored in a class variable,
I could unregister it when the application is being unloaded.

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