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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2014/10/13 22:05:34 UTC

[jira] [Comment Edited] (PDFBOX-1774) StackOverflowError; Preflight->Font

    [ https://issues.apache.org/jira/browse/PDFBOX-1774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14008773#comment-14008773 ] 

Tilman Hausherr edited comment on PDFBOX-1774 at 10/13/14 8:04 PM:
-------------------------------------------------------------------

I get a different stack trace (edited to show 13.10.2014):
{code}
Exception in thread "main" java.util.ConcurrentModificationException
	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(Unknown Source)
	at java.util.LinkedHashMap$EntryIterator.next(Unknown Source)
	at java.util.LinkedHashMap$EntryIterator.next(Unknown Source)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:291)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:88)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:70)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:302)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:88)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validateResources(SinglePageValidationProcess.java:164)
	at org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validate(SinglePageValidationProcess.java:83)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.PageTreeValidationProcess.validatePage(PageTreeValidationProcess.java:56)
	at org.apache.pdfbox.preflight.process.PageTreeValidationProcess.validate(PageTreeValidationProcess.java:45)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:88)
	at org.apache.pdfbox.preflight.PreflightDocument.validate(PreflightDocument.java:168)
	at org.apache.pdfbox.preflight.Validator_A1b.runSimple(Validator_A1b.java:161)
	at org.apache.pdfbox.preflight.Validator_A1b.main(Validator_A1b.java:126)
{code}

"This exception may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible." 

Oh oh :-(


was (Author: tilman):
I get a different stack trace:
{code}
Exception in thread "main" java.util.ConcurrentModificationException
	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:394)
	at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:413)
	at java.util.LinkedHashMap$EntryIterator.next(LinkedHashMap.java:412)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:180)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:78)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:77)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:191)
	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:78)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validateResources(SinglePageValidationProcess.java:164)
	at org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validate(SinglePageValidationProcess.java:83)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
	at org.apache.pdfbox.preflight.process.PageTreeValidationProcess.validatePage(PageTreeValidationProcess.java:58)
	at org.apache.pdfbox.preflight.process.PageTreeValidationProcess.validate(PageTreeValidationProcess.java:47)
	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:88)
	at org.apache.pdfbox.preflight.PreflightDocument.validate(PreflightDocument.java:169)
	at testpreflight.TestPreflight.main(TestPreflight.java:47)
{code}

"This exception may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible." 

Oh oh :-(

> StackOverflowError; Preflight->Font
> -----------------------------------
>
>                 Key: PDFBOX-1774
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1774
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Preflight
>    Affects Versions: 2.0.0
>         Environment: JDK6
>            Reporter: William Palmer
>             Fix For: 2.0.0
>
>
> StackOverflowError when using this code:
> 			PreflightParser parser = new PreflightParser(pFile);
> 			parser.parse();
> 			PreflightDocument document = parser.getPreflightDocument();
> 			document.validate();
> With this file: http://digitalcorpora.org/corp/nps/files/govdocs1/659/659756.pdf
> Stack trace:
> Exception in thread "main" java.lang.StackOverflowError
> 	at java.net.URLClassLoader$2.run(URLClassLoader.java:385)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findResource(URLClassLoader.java:382)
> 	at java.lang.ClassLoader.getResource(ClassLoader.java:1002)
> 	at java.lang.ClassLoader.getResource(ClassLoader.java:997)
> 	at java.lang.ClassLoader.getResourceAsStream(ClassLoader.java:1192)
> 	at org.apache.pdfbox.util.ResourceLoader.loadResource(ResourceLoader.java:60)
> 	at org.apache.pdfbox.pdmodel.font.PDSimpleFont.determineEncoding(PDSimpleFont.java:314)
> 	at org.apache.pdfbox.pdmodel.font.PDFont.<init>(PDFont.java:123)
> 	at org.apache.pdfbox.pdmodel.font.PDSimpleFont.<init>(PDSimpleFont.java:73)
> 	at org.apache.pdfbox.pdmodel.font.PDTrueTypeFont.<init>(PDTrueTypeFont.java:102)
> 	at org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java:100)
> 	at org.apache.pdfbox.pdmodel.PDResources.getFonts(PDResources.java:204)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateFonts(ResourcesValidationProcess.java:91)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:74)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:77)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validateXObjects(ResourcesValidationProcess.java:191)
> 	at org.apache.pdfbox.preflight.process.reflect.ResourcesValidationProcess.validate(ResourcesValidationProcess.java:78)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.callValidation(ContextHelper.java:73)
> 	at org.apache.pdfbox.preflight.utils.ContextHelper.validateElement(ContextHelper.java:52)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validateXObjectResources(XObjFormValidator.java:178)
> 	at org.apache.pdfbox.preflight.xobject.XObjFormValidator.validate(XObjFormValidator.java:75)
> 	at org.apache.pdfbox.preflight.process.reflect.GraphicObjectPageValidationProcess.validate(GraphicObjectPageValidationProcess.java:77)



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