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https://issues.apache.org/jira/browse/BATIK-1228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16497896#comment-16497896
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Ansgar Radermacher commented on BATIK-1228:
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I understand that the problem might be specific to theOSGI context in Eclipse
(classloader.getResource will not find files in other bundles), but it's not a
good solution that other Eclipse tools define work-arounds, as for instance in
case of Sirius, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=522740#c46
> NPE in SVGGen not working due to non-registered image writers
> -------------------------------------------------------------
>
> Key: BATIK-1228
> URL: https://issues.apache.org/jira/browse/BATIK-1228
> Project: Batik
> Issue Type: Bug
> Components: SVGGraphics2D, Utilities
> Affects Versions: 1.9
> Environment: Eclipse
> Reporter: Ansgar Radermacher
> Priority: Critical
>
> There is an NPE in class ImageHandlerBase64 encoder in the 1.9.1 build for
> Eclipse photon in the following code (which gets triggered by a "File->Save
> as Image" in Papyrus).
> ImageWriter writer =
> ImageWriterRegistry.getInstance().getWriterFor("image/png");
> writer.writeImage(buf, os);
> ...
> No ImageWriter is registered for "image/png", i.e writer is null after the
> assignment. The ImageIOPNGImageWriter (and others) from the batik codec
> package are not "visible" for the class Service in utils which it used by the
> ImageWriterRegistry to detect available writers.
> This is due to a missing dependency from batik.util to batik.codec, as
> proposed in [https://bz.apache.org/bugzilla/show_bug.cgi?id=44682] and
> [https://stackoverflow.com/questions/16138850/batik-svggraphics2d-nullpointerexception-when-drawing-image].
> However, this solution is not possible (at least not on Eclipse level),
> since batik.codec also depends on batik.util, i.e. would introduce a
> dependency cycle.
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