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From "Stefano Bagnara (JIRA)" <j...@apache.org>
Subject [jira] Created: (GERONIMO-4129) genorimo MimeMessage extensibility internal behaviour vs sun implementation OOM issue.
Date Wed, 18 Jun 2008 15:20:46 GMT
genorimo MimeMessage extensibility internal behaviour vs sun implementation OOM issue.
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                 Key: GERONIMO-4129
                 URL: https://issues.apache.org/jira/browse/GERONIMO-4129
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: mail
    Affects Versions: 2.1.1
            Reporter: Stefano Bagnara
            Assignee: Rick McGuire
            Priority: Minor


In Apache JAMES we use a MimeMessageWrapper class that is an extension for MimeMessage providing
some sort of lazy loading for streams coming from files and db records. To do that we work
with protected and public fields/methods from MimeMessage.

Even the most simple test is current running OOM during the parse().

In order to run the tests you will need the following files:
http://svn.apache.org/repos/asf/james/server/trunk/core-library/src/main/java/org/apache/james/core/MimeMessageWrapper.java
http://svn.apache.org/repos/asf/james/server/trunk/core-library/src/main/java/org/apache/james/util/InternetPrintWriter.java
http://svn.apache.org/repos/asf/james/server/trunk/core-library/src/main/java/org/apache/james/util/io/IOUtil.java
http://svn.apache.org/repos/asf/james/server/trunk/phoenix-deployment/src/test/org/apache/james/core/MimeMessageWrapperTest.java

This code also uses Disposable and ContainerUtils from avalon: they are simply a marker interface
for the dispose() method and ContainerUtils.dispose() is a method to call dispose only if
the object is Disposable.

if you don't care of unclosed resources you can remove Disposable and the ContainerUtils.
calls.

RFC2822Headers from mailets is instead a constants collection for rfc headers: you can safely
replace that with literals.

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