ASF GitHub Bot commented on NUTCH-2719:

r0ann3l commented on pull request #465: NUTCH-2719: An exchange points to an 
index writer not available
URL: https://github.com/apache/nutch/pull/465
   When an exchange points to a non-existent index writer, Nutch logs a warning 
indicating the inconsistent configuration and avoids the current NPE.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:

> NPE if exchanges.xml uses index writer not available
> ----------------------------------------------------
>                 Key: NUTCH-2719
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2719
>             Project: Nutch
>          Issue Type: Improvement
>          Components: indexer
>    Affects Versions: 1.15
>            Reporter: Sebastian Nagel
>            Assignee: Roannel Fernández Hernández
>            Priority: Major
>             Fix For: 1.16
> If the exchanges.xml uses an index writer not present (e.g., because the 
> plugin is not in plugin.includes) the index job fails with a NPE:
> {noformat}
> java.lang.Exception: java.lang.NullPointerException
>         at 
> org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
>         at 
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:529)
> Caused by: java.lang.NullPointerException
>         at org.apache.nutch.indexer.IndexWriters.write(IndexWriters.java:222)
>         at 
> org.apache.nutch.indexer.IndexerOutputFormat$1.write(IndexerOutputFormat.java:62)
>         at 
> org.apache.nutch.indexer.IndexerOutputFormat$1.write(IndexerOutputFormat.java:47)
>         at 
> org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.write(ReduceTask.java:558)
> {noformat}
> This should be caught gracefully with a message about an inconsistent 
> configuration.

This message was sent by Atlassian Jira

Reply via email to