[jira] [Commented] (NUTCH-2566) Fix exception log messages

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NUTCH-2566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433698#comment-16433698 ] 

ASF GitHub Bot commented on NUTCH-2566:
---------------------------------------

sebastian-nagel opened a new pull request #314: NUTCH-2566 Fix exception log messages
URL: https://github.com/apache/nutch/pull/314
 
 
   - do not use {} in combination with a single parameter of type Throwable
   - log only exception message at this point as exception is thrown anew
     and logged later with full stack trace

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> Fix exception log messages
> --------------------------
>
>                 Key: NUTCH-2566
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2566
>             Project: Nutch
>          Issue Type: Improvement
>    Affects Versions: 1.15
>            Reporter: Sebastian Nagel
>            Assignee: Sebastian Nagel
>            Priority: Trivial
>             Fix For: 1.15
>
>
> Some log messages use erroneously {{"{}"}} in combination with a Throwable object. That's not placed in the log message by org.slf4j.Logger but added after the message:
> {noformat}
> CrawlDbMerge job failed {}
> org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: file:...crawldb/current
> {noformat}



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