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From "Dale Jin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2110) NullPointerException in piggybank.evaluation.util.apachelogparser.SearchTermExtractor
Date Sat, 02 Jul 2011 08:19:28 GMT

     [ https://issues.apache.org/jira/browse/PIG-2110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dale Jin updated PIG-2110:
--------------------------

    Attachment: SearchTermExtractor.diff

> NullPointerException in piggybank.evaluation.util.apachelogparser.SearchTermExtractor
> -------------------------------------------------------------------------------------
>
>                 Key: PIG-2110
>                 URL: https://issues.apache.org/jira/browse/PIG-2110
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Michael Brauwerman
>         Attachments: SearchTermExtractor.diff
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> When processing a large log file, I get an exception in SearchTermExtractor.exec
> I don't have a specific log line with a repro yet, but I assume the error occurs when
the input URL is null, or maybe just has no query string:
> I think a fix would be to be add a guard after creating queryString:
>         String queryString = urlObject.getQuery();
>         if (queryString == null) { return null; }
> Stack Trace:
> <code>
> Caused by: java.io.IOException: Caught exception processing input row
>         at org.apache.pig.piggybank.evaluation.util.apachelogparser.SearchTermExtractor.exec(SearchTermExtractor.java:195)
>         at org.apache.pig.piggybank.evaluation.util.apachelogparser.SearchTermExtractor.exec(SearchTermExtractor.java:64)
>         at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:229)
> Caused by: java.lang.NullPointerException
>         at java.util.regex.Matcher.getTextLength(Matcher.java:1140)
>         at java.util.regex.Matcher.reset(Matcher.java:291)
>         at java.util.regex.Matcher.reset(Matcher.java:311)
>         at org.apache.pig.piggybank.evaluation.util.apachelogparser.SearchTermExtractor.exec(SearchTermExtractor.java:170)
> </code>

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