[ http://issues.apache.org/jira/browse/NUTCH-21?page=comments#action_64531
]
David Spencer commented on NUTCH-21:
------------------------------------
I figured out why I was getting docs with zero body.
Here's a stack trace, but note that I changed the package to com.tropo.ppt for
my uses..
java.lang.StringIndexOutOfBoundsException: String index out of range: 1756156169
at java.lang.String.checkBounds(String.java:287)
at java.lang.String.<init>(String.java:370)
at
com.tropo.ppt.ContentReaderListener.extractSlides(ContentReaderListener.java:353)
at
com.tropo.ppt.ContentReaderListener.processPOIFSReaderEvent(ContentReaderListener.java:121)
at
org.apache.poi.poifs.eventfilesystem.POIFSReader.processProperties(POIFSReader.java:259)
at
org.apache.poi.poifs.eventfilesystem.POIFSReader.read(POIFSReader.java:95)
at com.tropo.ppt.PPT2Text.init(PPT2Text.java:92)
at com.tropo.ppt.PPT2Text.getProperties(PPT2Text.java:132)
at com.tropo.ppt.PPT2Text.main(PPT2Text.java:144)
---
What's happening is in ContentReaderListener.java.
In processPOIFSReaderEvent() there's an empty catch(Throwable) block that hides
the error.
In extractSlides() it happily goes thru some data but then, for some reason,
'size' is larger than pptdata.length.
One hack to "fix" this is to replace this:
final String strTempContent = new String(pptdata, (int) i + 6,
(int) (size) + 2);
String strTempContent;
try {
strTempContent = new String(pptdata, (int) i + 6, (int) (size) + 2);
}
catch( StringIndexOutOfBoundsException ouch) {
strTempContent = "";
}
When I do this I get data out of a ppt file that previously seemed to to have a
zero length body...
> parser plugin for MS PowerPoint slides
> --------------------------------------
>
> Key: NUTCH-21
> URL: http://issues.apache.org/jira/browse/NUTCH-21
> Project: Nutch
> Type: Improvement
> Components: fetcher
> Reporter: Stefan Grroschupf
> Priority: Trivial
> Attachments: build.xml.patch.txt, parse-mspowerpoint.zip
>
> transfered from:
> http://sourceforge.net/tracker/index.php?func=detail&aid=1109321&group_id=59548&atid=491356
> submitted by:
> Stephan Strittmatter
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