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From "Stephen Kruger (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (EMAIL-110) java.lang.OutOfMemoryError: Java heap space while parsing Mime part
Date Sun, 11 Dec 2011 15:48:40 GMT

    [ https://issues.apache.org/jira/browse/EMAIL-110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167119#comment-13167119
] 

Stephen Kruger commented on EMAIL-110:
--------------------------------------

The test mail I'm trying to send is way too  small to warrant increasing heap space. It's
definitely a loop termination problem where it's looking for some termination chars which
are not there (perhaps erroneously on the part of the test mail).

I've attached a simple Eclipse project (Maven based) which recreates the problem entirely.
My apologies if the issue turns out to be in one of the other dependencies - since you all
use javax.mail it's hard to understand whose implementation is actually being used.
                
> java.lang.OutOfMemoryError: Java heap space while parsing Mime part
> -------------------------------------------------------------------
>
>                 Key: EMAIL-110
>                 URL: https://issues.apache.org/jira/browse/EMAIL-110
>             Project: Commons Email
>          Issue Type: Bug
>    Affects Versions: 1.2
>         Environment: Windows, Linux
>            Reporter: Stephen Kruger
>            Priority: Blocker
>         Attachments: MailBug.zip, crashfix.eml
>
>
> I have a particular eml message which appears to cause a complete memory overflow deep
within commons-email.
> A look at the source code does reveal a suspect "while" loop which appears to never exit
properly, and should be rewritten so that bad data could not give us this situation.
> The stack trace is :
> java.lang.OutOfMemoryError: Java heap space
> 	at java.util.Arrays.copyOf(Arrays.java:2786)
> 	at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:71)
> 	at javax.mail.internet.MimeMultipart.readTillFirstBoundary(MimeMultipart.java:316)
> 	at javax.mail.internet.MimeMultipart.parse(MimeMultipart.java:186)
> 	at javax.mail.internet.MimeMultipart.updateHeaders(MimeMultipart.java:130)
> 	at javax.mail.internet.MimeBodyPart.updateHeaders(MimeBodyPart.java:539)
> 	at javax.mail.internet.MimeMultipart.updateHeaders(MimeMultipart.java:133)
> 	at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:1393)
> 	at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:1366)
> 	at javax.mail.Transport.send(Transport.java:76)
> 	at javax.mail.Transport.send(Transport.java:48)
> There are many public threads illustrating this same error, but they never pinpoint the
code to Commons Email, I'm guessing I'm using the code in a way which exhibits this behaviour
:
> http://stackoverflow.com/questions/3177092/uploading-to-blobstore-gives-a-java-heap-outofmemoryerror
> http://stackoverflow.com/questions/2994031/outofmemoryerror-trying-to-upload-to-blobstore-locally

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