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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (TIKA-986) NullPointerException trying to parse detached .pk7s signature
Date Sun, 02 Sep 2012 14:11:07 GMT

     [ https://issues.apache.org/jira/browse/TIKA-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless resolved TIKA-986.
-------------------------------------

    Resolution: Fixed
    
> NullPointerException trying to parse detached .pk7s signature
> -------------------------------------------------------------
>
>                 Key: TIKA-986
>                 URL: https://issues.apache.org/jira/browse/TIKA-986
>             Project: Tika
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 1.3
>
>         Attachments: smime.p7s, TIKA-986.patch, TIKA-986.patch
>
>
> Our Pkcs7Parser tries to pull the signed content out and then parses
> that, but if the signature is detached then there is no content (we
> get null return from CMSSignedDataParser.getSignedContent) and we hit
> NPE:
> {noformat}
> Exception in thread "main" org.apache.tika.exception.TikaException: Unexpected RuntimeException
from org.apache.tika.parser.crypto.Pkcs7Parser@5545757a
> 	at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:244)
> 	at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> 	at org.apache.tika.parser.AutoDetectParser.parse(AutoDetectParser.java:120)
> 	at org.apache.tika.cli.TikaCLI$OutputType.process(TikaCLI.java:138)
> 	at org.apache.tika.cli.TikaCLI.process(TikaCLI.java:399)
> 	at org.apache.tika.cli.TikaCLI.main(TikaCLI.java:111)
> Caused by: java.lang.NullPointerException
> 	at org.apache.tika.parser.crypto.Pkcs7Parser.parse(Pkcs7Parser.java:64)
> 	at org.apache.tika.parser.CompositeParser.parse(CompositeParser.java:242)
> 	... 5 more
> {noformat}
> I think fix is trivial: if we get null return then throw a
> TikaException saying there's nothing to extract.

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