Michael McCandless created TIKA-1033:
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Summary: Tika doesn't parse embedded OLE Chart/Graph objects
Key: TIKA-1033
URL: https://issues.apache.org/jira/browse/TIKA-1033
Project: Tika
Issue Type: Bug
Components: parser
Reporter: Michael McCandless
Priority: Minor
Attachments: emb.ppt
I have an example ppt that embeds a chart, but Tika mis-identifies it
as an XLS document.
The progID (oleShape.getProgID() in
HSLFExtractor.handleSlideEmbeddedResources) is MSGraph.Chart.8 ... and
we seem to detect it as Excel (application/vnd.ms-excel) but then the
ExcelExtractor hits this exception:
{noformat}
org.apache.poi.hssf.record.RecordFormatException: Unable to construct record
instance
at
org.apache.poi.hssf.record.RecordFactory$ReflectionConstructorRecordCreator.create(RecordFactory.java:65)
at
org.apache.poi.hssf.record.RecordFactory.createSingleRecord(RecordFactory.java:301)
at
org.apache.poi.hssf.record.RecordFactoryInputStream.readNextRecord(RecordFactoryInputStream.java:285)
at
org.apache.poi.hssf.record.RecordFactoryInputStream.nextRecord(RecordFactoryInputStream.java:251)
at
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.genericProcessEvents(HSSFEventFactory.java:143)
at
org.apache.poi.hssf.eventusermodel.HSSFEventFactory.processEvents(HSSFEventFactory.java:106)
at
org.apache.tika.parser.microsoft.ExcelExtractor$TikaHSSFListener.processFile(ExcelExtractor.java:302)
at
org.apache.tika.parser.microsoft.ExcelExtractor.parse(ExcelExtractor.java:147)
{noformat}
Since DelegatingParser silently suppresses all exceptions, when you
run TikaCLI you won't see any exception nor text extracted, but if you
run with -z, it will save 1.xls which if you then try to parse with
TikaCLI hits the above exception.
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