[ http://issues.apache.org/jira/browse/NUTCH-323?page=all ]
Andrzej Bialecki closed NUTCH-323.
-----------------------------------
Resolution: Fixed
Assignee: Andrzej Bialecki
Patch applied to trunk/ . This should solve some serious issues with
CrawlDatum.metaData handling in CrawlDbReducer. Thank you!
> CrawlDatum.set just reference a mapWritable of a other object but not copy it.
> ------------------------------------------------------------------------------
>
> Key: NUTCH-323
> URL: http://issues.apache.org/jira/browse/NUTCH-323
> Project: Nutch
> Issue Type: Bug
> Affects Versions: 0.8-dev
> Reporter: Stefan Groschupf
> Assigned To: Andrzej Bialecki
> Priority: Critical
> Fix For: 0.8-dev
>
> Attachments: MapWritableCopyConstructor.patch
>
>
> Using CrawlDatum.set(aOtherCrawlDatum) copies the data from one CrawlDatum to
> a other.
> Also a reference of the MapWritable is passed. Means both project share the
> same mapWritable and its content.
> This causes problems with concurent manipulate mapWritables and its key-value
> tuples.
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