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Posted to dev@tika.apache.org by "Michael McCandless (Commented) (JIRA)" <ji...@apache.org> on 2011/09/28 12:41:45 UTC
[jira] [Commented] (TIKA-733) [PATCH] RTF TextExtractor
processGroupEnd() NoSuchElementException
[ https://issues.apache.org/jira/browse/TIKA-733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116331#comment-13116331 ]
Michael McCandless commented on TIKA-733:
-----------------------------------------
Hmm, it makes me a little nervous just blindly not popping the group
state once it's empty since this could be masking a more serious bug.
Ie, it's possible we are not correctly tokenizing the open / close
group tokens.
The other explanation is that the RTF doc is corrupt (has too many
closing } vs open {).
Can you look at the doc and figure out if its corrupt?
Does this RTF document work with older versions of Tika (before
TIKA-683 was committed)?
> [PATCH] RTF TextExtractor processGroupEnd() NoSuchElementException
> ------------------------------------------------------------------
>
> Key: TIKA-733
> URL: https://issues.apache.org/jira/browse/TIKA-733
> Project: Tika
> Issue Type: Bug
> Components: parser
> Affects Versions: 1.0
> Reporter: Jeremy Anderson
> Assignee: Michael McCandless
> Labels: patch
> Fix For: 1.0
>
> Attachments: TIKA-733-rtf_TextExtractor_processGroupEnd-NoSuchElementException.patch
>
>
> Parsing some RTF documents attempt to perform a removeLast() on the groupStates() list when the list is empty. Added a check to not perform the logic when the list is empty, thus causing the restore group state to not be performed. Text extraction now completes without further down-stream errors.
> Unable to include sample file due to sensitive nature of file contents.
> StackTrace (TIKA-0.9)
> Caused by: java.util.NoSuchElementException
> at java.util.LinkedList.remove(LinkedList.java:788)
> at java.util.LinkedList.removeLast(LinkedList.java:144)
> at org.apache.tika.parser.rtf.TextExtractor.processGroupEnd(TextExtractor.java:1010)
> at org.apache.tika.parser.rtf.TextExtractor.extract(TextExtractor.java:352)
> at org.apache.tika.parser.rtf.RTFParser.parse(RTFParser.java:53)
> at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> ... 45 more
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