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MagickWriteImage - An unknown C API exception occurred

Posted: 2012-07-18T15:57:04+00:00
by gbradley
Hi there,

I'm running into a problem with MagickWand and I have no idea what's causing it. Essentially I'm unable to use magickwriteimage as every time I do, I get the following error:

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PHP Fatal error:  magickwriteimage(): An unknown C API exception occurred [on C source line 374] in ...
The PHP being executed is simply:

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<?
$wand = NewMagickWand();
MagickReadImage($wand,'x.jpeg');
MagickWriteImage($wand,'y.jpeg');
?>
The directory has the correct read/write permissions. I'm also running into an error if I try magickechoimageblob, when I get this error:

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Application transferred too few scanlines `...filename...' @ jpeg.c/EmitMessage/237 in ...
I'm running RHEL with ImageMagick 6.5.4-7 2012-05-07 Q16 OpenMP, and MagickWand 1.0.8.

Thanks for any pointers.....