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https://issues.apache.org/jira/browse/PDFBOX-2424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tilman Hausherr updated PDFBOX-2424:
------------------------------------
Component/s: Parsing
> ClassCastException in getMetaData if no real meta data
> ------------------------------------------------------
>
> Key: PDFBOX-2424
> URL: https://issues.apache.org/jira/browse/PDFBOX-2424
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 1.8.7, 1.8.8, 2.0.0
> Reporter: Tilman Hausherr
>
> Here's an exception from [~talli...@apache.org] latest TIKA test (too lazy to
> test it myself, the cause is obvious) with the attached file:
> {code}
> org.apache.tika.exception.TikaException: Unexpected RuntimeException from
> org.apache.tika.parser.pdf.PDFParser
> at
> org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:249)
> at
> org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:247)
> at
> org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
> at
> org.apache.tika.parser.RecursiveParserWrapper.parse(RecursiveParserWrapper.java:137)
> at
> org.apache.tika.batch.fs.RecursiveParserWrapperFSConsumer.processFileResource(RecursiveParserWrapperFSConsumer.java:120)
> at
> org.apache.tika.batch.FileResourceConsumer._processFileResource(FileResourceConsumer.java:153)
> at
> org.apache.tika.batch.FileResourceConsumer.call(FileResourceConsumer.java:96)
> at
> org.apache.tika.batch.FileResourceConsumer.call(FileResourceConsumer.java:38)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:724)
> Caused by: java.lang.ClassCastException: org.apache.pdfbox.cos.COSDictionary
> cannot be cast to org.apache.pdfbox.cos.COSStream
> at
> org.apache.pdfbox.pdmodel.PDDocumentCatalog.getMetadata(PDDocumentCatalog.java:312)
> at
> org.apache.tika.parser.pdf.PDFParser.extractMetadata(PDFParser.java:181)
> at org.apache.tika.parser.pdf.PDFParser.parse(PDFParser.java:158)
> at
> org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:247)
> ... 13 more
> "
> {code}
> here's the excerpt in the PDF:
> {code}
> 241 0 obj << /Type /Metadata /Subtype /XML >> endobj
> {code}
> the current code is
> {code}
> COSStream stream = (COSStream)root.getDictionaryObject(
> COSName.METADATA );
> {code}
> shall we keep it that way or rather put out a warning if the meta data is not
> a stream and return null? Adobe Reader does nothing when looking for the
> properties.
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