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From "Andreas Veithen (JIRA)" <>
Subject [jira] [Resolved] (AXIOM-442) Null pointer exception in MTOM validation
Date Wed, 14 Nov 2012 09:42:13 GMT


Andreas Veithen resolved AXIOM-442.

       Resolution: Fixed
    Fix Version/s: 1.2.14
> Null pointer exception in MTOM validation
> -----------------------------------------
>                 Key: AXIOM-442
>                 URL:
>             Project: Axiom
>          Issue Type: Bug
>          Components: DOOM, LLOM
>    Affects Versions: 1.2.12, 1.2.13
>            Reporter: James Grahn
>            Assignee: Andreas Veithen
>             Fix For: 1.2.14
> As part of an Axis2 workflow, my code validates incoming messages against schemas.  
This seems to work in all cases except when the incoming message contains an MTOM attachment.
> The code constructs a Source object for the part of the message to be validated, then
calls the "validate" method on a properly constructed javax.xml.validation.Validator object:
> Source validateMe = new OMSource(messagePart);
> validator.validate(validateMe);
> The error generated looks like this:
> java.lang.NullPointerException
>  at
>  at
>  at
>  at
>  at
>  at
>  at org.apache.xerces.jaxp.validation.ValidatorHandlerImpl.validate(Unknown Source)
>  at org.apache.xerces.jaxp.validation.ValidatorImpl.validate(Unknown Source)
>  at javax.xml.validation.Validator.validate(Unknown Source)
> ----
> By the time it reaches my handler, I'm not fully certain what should be in the MTOM attachment
element should contain, as it's reasonable to assume that the attachment has been extracted
by then.   A NullPointerException doesn't seem appropriate, however.
> A logging statement does show the attachment inline, encoded in Base64 (though I believe
all incoming MTOM is represented that way if the envelope is printed for a log).

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