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https://issues.apache.org/jira/browse/PDFBOX-2020?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13968857#comment-13968857
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Tilman Hausherr commented on PDFBOX-2020:
-----------------------------------------
[~uwohlfeil] Do I get an answer to my questions? Without answers I won't commit
the fix.
> PDF/A Validation raises NullPointerException for PDFs without ImageColorSpace
> -----------------------------------------------------------------------------
>
> Key: PDFBOX-2020
> URL: https://issues.apache.org/jira/browse/PDFBOX-2020
> Project: PDFBox
> Issue Type: Bug
> Components: Preflight
> Affects Versions: 2.0.0
> Environment: Windows 7, Sun JDK7 64Bit
> Reporter: Ulrich Wohlfeil
> Labels: pdf/a, validation
>
> TestCode: Example Code http://pdfbox.apache.org/cookbook/pdfavalidation.html
> If i check a PDF without ImageColorSpace the example Code raises the
> following NullPointerException:
> Exception in thread "main" java.lang.NullPointerException
> at
> org.apache.pdfbox.preflight.content.ContentStreamEngine.validImageColorSpace(ContentStreamEngine.java:323)
> at
> org.apache.pdfbox.preflight.content.ContentStreamWrapper.processOperator(ContentStreamWrapper.java:179)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:254)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:221)
> at
> org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:203)
> at
> org.apache.pdfbox.preflight.content.ContentStreamWrapper.validPageContentStream(ContentStreamWrapper.java:76)
> at
> org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validateContent(SinglePageValidationProcess.java:180)
> at
> org.apache.pdfbox.preflight.process.reflect.SinglePageValidationProcess.validate(SinglePageValidationProcess.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.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 PdfBox.main(PdfBox.java:33)
> I think the method org.apache.pdfbox.pdmodel.PDResources.getColorSpaces
> (PDResources.java:311) did not return a object if their is no image color
> space but the code line
> org.apache.pdfbox.preflight.content.ContentStreamEngine.validImageColorSpace(ContentStreamEngine.java:323)
> expects a object in any case.
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