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https://issues.apache.org/jira/browse/SYNAPSE-309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Veithen resolved SYNAPSE-309.
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    Resolution: Fixed

> Adding an attachment causes failure in MessageHelper.clonePartially
> -------------------------------------------------------------------
>
>                 Key: SYNAPSE-309
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-309
>             Project: Synapse
>          Issue Type: Bug
>          Components: Core
>            Reporter: Andreas Veithen
>            Assignee: Andreas Veithen
>             Fix For: 1.3
>
>
> The failure occurs in the following scenario:
> * The incoming message is not a SwA message.
> * A mediator adds an attachment using one of the 
> org.apache.axis2.context.MessageContext#addAttachment methods.
> This causes MessageContext to create a new Attachments object using the 
> default constructor. When the message is sent out later, 
> MessageHelper.clonePartially fails on the following instruction:
> String soapPart = attachments.getSOAPPartContentID();
> A NullPointerException is triggered inside the 
> Attachments#getSOAPPartContentID method because it tries to use the 
> contentType attribute which is null in this case (Attachments object created 
> using the default constructor).
> The problem can be solved easily by catching the NPE in clonePartially. Using 
> this workaround I was able to successfully send out the message with the 
> attachment, but intercepting NullPointerException is not a very clean 
> solution.

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