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From "mt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (XGC-98) UndeclaredThrowableException while loading images
Date Tue, 23 May 2017 17:06:04 GMT

    [ https://issues.apache.org/jira/browse/XGC-98?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16021485#comment-16021485
] 

mt commented on XGC-98:
-----------------------

Maybe I'm missing something here, but I just get this exact exception in version 2.2 where
this is supposedly fixed, so I checked the source code.

The fix was made here: https://github.com/apache/xml-graphics-commons/commit/6142bc79cfb6bb7faa5b244f2ba1a11ed070e5fe

But this fixed was made on the the file in src/java/, while the whole directory was moved
from src/java/ to src/main/java in this commit:


> UndeclaredThrowableException while loading images
> -------------------------------------------------
>
>                 Key: XGC-98
>                 URL: https://issues.apache.org/jira/browse/XGC-98
>             Project: XMLGraphicsCommons
>          Issue Type: Bug
>    Affects Versions: 1.5, 2.0.1
>            Reporter: Vlad Arkhipov
>            Assignee: simon steiner
>         Attachments: InvocationTargetException.patch
>
>
> UndeclaredThrowableException is thrown if an image cannot be loaded for some reason.
> {code}
> Caused by: java.lang.reflect.UndeclaredThrowableException
>         at com.sun.proxy.$Proxy313.readUnsignedInt(Unknown Source)
>         at org.apache.xmlgraphics.image.loader.impl.PreloaderEPS.preloadImage(PreloaderEPS.java:65)
[xmlgraphics-commons-1.5.jar:1.5]
>         at org.apache.xmlgraphics.image.loader.ImageManager.preloadImage(ImageManager.java:175)
[xmlgraphics-commons-1.5.jar:1.5]
>         at org.apache.xmlgraphics.image.loader.cache.ImageCache.needImageInfo(ImageCache.java:128)
[xmlgraphics-commons-1.5.jar:1.5]
>         at org.apache.xmlgraphics.image.loader.ImageManager.getImageInfo(ImageManager.java:122)
[xmlgraphics-commons-1.5.jar:1.5]
>         at org.apache.fop.fo.flow.ExternalGraphic.bind(ExternalGraphic.java:81) [fop-1.1.jar:]
>         at org.apache.fop.fo.FObj.processNode(FObj.java:124) [fop-1.1.jar:]
>         at org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:280)
[fop-1.1.jar:]
>         at org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:175) [fop-1.1.jar:]
> ...
> Caused by: java.lang.reflect.InvocationTargetException
>         at sun.reflect.GeneratedMethodAccessor2609.invoke(Unknown Source) [:1.8.0_25]
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[rt.jar:1.8.0_25]
>         at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0_25]
>         at org.apache.xmlgraphics.image.loader.impl.AbstractImageSessionContext$ObservingImageInputStreamInvocationHandler.invoke(AbstractImageSessionContext.java:219)
[
> xmlgraphics-commons-1.5.jar:1.5]
>         ... 254 more
> Caused by: java.io.EOFException
>         at javax.imageio.stream.ImageInputStreamImpl.readInt(ImageInputStreamImpl.java:251)
[rt.jar:1.8.0_25]
>         at javax.imageio.stream.ImageInputStreamImpl.readUnsignedInt(ImageInputStreamImpl.java:266)
[rt.jar:1.8.0_25]
>         ... 258 more
> {code}
> The problem being that InvocationHandlers in the classes AbstractImageSessionContext
and ObservableStream do not handle InvocationTargetException properly, and the exception is
propagated up to the proxied interface where InvocationTargetException is not specified.
> I am not sure if you accept pull requests on Github, anyway here it is https://github.com/apache/xml-graphics-commons/pull/1



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