[XGC-98] UndeclaredThrowableException while loading images

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5, 2.0.1
• Fix Version/s: 2.3
• Assignee: Simon Steiner
• Reporter: Vlad Arkhipov
• Created: 02/Jul/15 05:50
• Updated: 16/May/18 10:01
• Resolved: 16/May/18 10:01

Description

UndeclaredThrowableException is thrown if an image cannot be loaded for some reason.

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

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

Issue Links

• is duplicated by: FOP-2343 Using incorrect inline image leads to strange exception
• relates to: FOP-2343 Using incorrect inline image leads to strange exception