Re: [emft-dev] Bug 258703 [EMF Compare]: NullPointerException when the e

[Laurent Goubet <laurent.goubet@xxxxxxx>]

Hi marcus,

the stack trace you're providing doesn't correspond to the bug you 
mention : the bug was a failure in the merging process, what you have 
now is a bug in the matching process. That's a bug I added back in the 
MatchService when adding the MatchEngineRegistry ... problem with not 
having enough JUnit tests :-[ . I'll have this one fixed ASAP, can you 
still raise a bugzilla with your stack trace for the record?

Laurent Goubet
Obeo

Marcus Engelhardt a écrit :
> Hi guys,
>
> I get the following NullPointerException when trying to merge models programmatically according to the example shown in the EMF Compare FAQ (http://wiki.eclipse.org/EMF_Compare_FAQ#How_can_I_use_EMF_Compare_programmatically.3F).
>
> Stacktrace:
>
> java.lang.NullPointerException
> 	at org.eclipse.emf.compare.match.service.MatchService.getBestExtension(MatchService.java:261)
> 	at org.eclipse.emf.compare.match.service.MatchService.doMatch(MatchService.java:142)
>         (...)
>
> This bug was reported a few month ago (see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=258703) and should have been fixed in 0.9.0M4 (see: http://www.eclipse.org/modeling/emft/news/relnotes.php?project=compare&version=0.9.0M4#0.9.0M4).
>
> Although I am using this version (0.9.0.v200812190330), I get this exception.
>
> Does anyone know what I am doing wrong or how to fix this?
>
> Thanks in advance.
> Marcus
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