Tilman Hausherr created PDFBOX-2424:
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Summary: 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
Reporter: Tilman Hausherr
Here's an exception from [[email protected]] 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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