new FileCleanerCleanup may lead to problems [PATCH]
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                 Key: FILEUPLOAD-125
                 URL: https://issues.apache.org/jira/browse/FILEUPLOAD-125
             Project: Commons FileUpload
          Issue Type: Bug
    Affects Versions: 1.2
            Reporter: Cédrik LIME


This is a follow-up on FILEUPLOAD-120.

As described in using.html#resourceCleanup, stopping the IO's reaper thread 
when commons-io is in the container's classpath will impact other running 
applications. The solution to this is to test if the FileCleaner class was 
loaded by the application's ClassLoader (i.e. commons-io.jar is in 
WEB-INF/lib/):

    public void contextDestroyed(ServletContextEvent sce) {
        if (FileCleaner.class.getClassLoader() == 
Thread.currentThread().getContextClassLoader()) {
            FileCleaner.exitWhenFinished();
        }
    }

This is, if users don't forget to put FileCleanerCleanup as a servlet listener, 
of course...

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