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From "Lewis John McGibbney (JIRA)" <>
Subject [jira] [Commented] (NUTCH-1722) FetcherJob#fetch throws NullPointerException for null batchId
Date Tue, 04 Feb 2014 00:17:05 GMT


Lewis John McGibbney commented on NUTCH-1722:

Hi [~someuser77], if we wish to change the behavior then we should open a new issue and justify
as you have done above.
This particular ticket has been logged as a bug, which i think is correct. Your suggestion
is very valid but appears to be an improvement if anything else. Please feel free to open
a new issue and submit a patch for 2.x HEAD if you are able. Thanks

> FetcherJob#fetch throws NullPointerException for null batchId
> -------------------------------------------------------------
>                 Key: NUTCH-1722
>                 URL:
>             Project: Nutch
>          Issue Type: Bug
>          Components: fetcher
>    Affects Versions: 2.2.1
>            Reporter: Gerhard Gossen
>         Attachments: NUTCH-1722-2.x.patch
> The documentation of FetcherJob#fetch claims that a null batchId parameter is interpreted
as "fetch all generated fetchlists". However, the implementation tries to do {{batchId.equals(Nutch.ALL_BATCH_ID_STR)}},
which throws a NullPointerException when batchId is null.
> The provided patch sets a null batchId to {{Nutch.ALL_BATCH_ID_STR}}, which should be
the documented behavior.

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