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https://issues.apache.org/jira/browse/HADOOP-7425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
steven zhuang updated HADOOP-7425:
----------------------------------
Description:
In the setConf method of org.apache.hadoop.util.ReflectionUtils, any instance
of Configurable would be configured twice.
In 0.21.0, KeyFieldBasedPartitioner implements the Configurable interface. When
configured twice, it get two KeyDescription and gives out wrong partition
number.
public static void setConf(Object theObject, Configuration conf) {
if (conf != null) {
if (theObject instanceof Configurable) {
((Configurable) theObject).setConf(conf);
}
setJobConf(theObject, conf);
}
}
was:
In the setConf method of org.apache.hadoop.util.ReflectionUtils, any instance
of Configurable would be configured twice.
In 0.21.0, KeyFieldBasedPartitioner implements the Configurable interface. When
configured twice, it get two KeyDescription and gives out wrong partition
number.
public static void setConf(Object theObject, Configuration conf) {
if (conf != null) {
if (theObject instanceof Configurable) {
((Configurable) theObject).setConf(conf);
}
setJobConf(theObject, conf);
}
}
Summary: ReflectionUtils.setConf would configure anything Configurable
twice (was: ReflectionUtils.setConf would configure the
KeyFieldBasedPartitioner twice in Hadoop 0.21.0, when KeyFieldBasedPartitioner
is an Configurable instance)
> ReflectionUtils.setConf would configure anything Configurable twice
> -------------------------------------------------------------------
>
> Key: HADOOP-7425
> URL: https://issues.apache.org/jira/browse/HADOOP-7425
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 0.21.0
> Reporter: steven zhuang
>
> In the setConf method of org.apache.hadoop.util.ReflectionUtils, any
> instance of Configurable would be configured twice.
> In 0.21.0, KeyFieldBasedPartitioner implements the Configurable interface.
> When configured twice, it get two KeyDescription and gives out wrong
> partition number.
> public static void setConf(Object theObject, Configuration conf) {
> if (conf != null) {
> if (theObject instanceof Configurable) {
> ((Configurable) theObject).setConf(conf);
> }
> setJobConf(theObject, conf);
> }
> }
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