Details
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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 5.0.3
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Fix Version/s: 5.0.4
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Component/s: Core/Parsing
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Labels:None
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Environment:JRE 1.7.0_15, Windows 7
Description
The attached PDF file is shown as blank in the viewer and throws an exception:
java.lang.ClassCastException: org.icepdf.core.pobjects.Reference cannot be cast to java.util.HashMap
at org.icepdf.core.pobjects.graphics.PColorSpace.getColorSpace(PColorSpace.java:97)
at org.icepdf.core.pobjects.Resources.getColorSpace(Resources.java:92)
at org.icepdf.core.util.content.AbstractContentParser.consume_cs(AbstractContentParser.java:241)
at org.icepdf.core.util.content.OContentParser.parseText(OContentParser.java:921)
at org.icepdf.core.util.content.OContentParser.parse(OContentParser.java:179)
at org.icepdf.core.pobjects.Page.init(Page.java:368)
at org.icepdf.ri.common.views.PageViewComponentImpl$PageInitializer.run(PageViewComponentImpl.java:1039)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
java.lang.ClassCastException: org.icepdf.core.pobjects.Reference cannot be cast to java.util.HashMap
at org.icepdf.core.pobjects.graphics.PColorSpace.getColorSpace(PColorSpace.java:97)
at org.icepdf.core.pobjects.Resources.getColorSpace(Resources.java:92)
at org.icepdf.core.util.content.AbstractContentParser.consume_cs(AbstractContentParser.java:241)
at org.icepdf.core.util.content.OContentParser.parseText(OContentParser.java:921)
at org.icepdf.core.util.content.OContentParser.parse(OContentParser.java:179)
at org.icepdf.core.pobjects.Page.init(Page.java:368)
at org.icepdf.ri.common.views.PageViewComponentImpl$PageInitializer.run(PageViewComponentImpl.java:1039)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Activity
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Tightened up some locking on the StandardSecurityHandler as well the PcolorSpace class. This seems to have significantly reduced the occurrence of any empty byte[] after a stream has been decrypted and decoded. Applied patch to trunk and 5.0.1 branch.
Show
Patrick Corless
added a comment - Tightened up some locking on the StandardSecurityHandler as well the PcolorSpace class. This seems to have significantly reduced the occurrence of any empty byte[] after a stream has been decrypted and decoded. Applied patch to trunk and 5.0.1 branch.
Marking resolved.
Show
Patrick Corless
added a comment - Marking resolved.
I wasn't able to duplicate the class cast exception but this document has some shared object that are used on each pages and uses crypt filters. Definitely looking at some concurrency issue.