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From "Nick Burch (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (TIKA-1033) Tika doesn't parse embedded OLE Chart/Graph objects
Date Mon, 04 Apr 2016 19:52:25 GMT

    [ https://issues.apache.org/jira/browse/TIKA-1033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224926#comment-15224926

Nick Burch edited comment on TIKA-1033 at 4/4/16 7:52 PM:

I think it should be a {{x-}} or {{vnd.ms-}} prefix under application. Given what Excel .xls
uses, {{application/vnd.ms-chart}} is probably a good fit

was (Author: gagravarr):
I think it should be a `x-` or `vnd.ms-` prefix under application. Given what Excel .xls uses,
`application/vnd.ms-chart` is probably a good fit

> 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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