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Posted to common-dev@hadoop.apache.org by "Jerome Charron (JIRA)" <ji...@apache.org> on 2006/02/09 14:29:57 UTC
[jira] Created: (HADOOP-29) JobConf newInstance() method imposes a
default constructor
JobConf newInstance() method imposes a default constructor
----------------------------------------------------------
Key: HADOOP-29
URL: http://issues.apache.org/jira/browse/HADOOP-29
Project: Hadoop
Type: Improvement
Components: mapred
Reporter: Jerome Charron
Priority: Minor
The Nutch parse command fails, because the ParseSegment class has no default constructor.
However, ParseSegment extends Configured, so it can be directly instanciated with a Configuration parameter.
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[jira] Commented: (HADOOP-29) JobConf newInstance() method imposes
a default constructor
Posted by "Doug Cutting (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HADOOP-29?page=comments#action_12431982 ]
Doug Cutting commented on HADOOP-29:
------------------------------------
Wouldn't it be simpler to just add a default constructor to Configured?
> JobConf newInstance() method imposes a default constructor
> ----------------------------------------------------------
>
> Key: HADOOP-29
> URL: http://issues.apache.org/jira/browse/HADOOP-29
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Reporter: Jerome Charron
> Priority: Minor
> Attachments: HADOOP-29.patch
>
>
> The Nutch parse command fails, because the ParseSegment class has no default constructor.
> However, ParseSegment extends Configured, so it can be directly instanciated with a Configuration parameter.
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[jira] Updated: (HADOOP-29) JobConf newInstance() method imposes a
default constructor
Posted by "Jerome Charron (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HADOOP-29?page=all ]
Jerome Charron updated HADOOP-29:
---------------------------------
Attachment: HADOOP-29.patch
The attached patch directly uses the constructor with Configuration parameter if the class to instanciate extends Configurable.
(Tested with Nutch).
> JobConf newInstance() method imposes a default constructor
> ----------------------------------------------------------
>
> Key: HADOOP-29
> URL: http://issues.apache.org/jira/browse/HADOOP-29
> Project: Hadoop
> Type: Improvement
> Components: mapred
> Reporter: Jerome Charron
> Priority: Minor
> Attachments: HADOOP-29.patch
>
> The Nutch parse command fails, because the ParseSegment class has no default constructor.
> However, ParseSegment extends Configured, so it can be directly instanciated with a Configuration parameter.
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