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https://issues.apache.org/jira/browse/MAPREDUCE-6442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727836#comment-14727836
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Chang Li commented on MAPREDUCE-6442:
-------------------------------------
[~jlowe] thanks for review! I test by pass a null conf to initialize cluster
and the log showed the stack trace
{code}
Failed to use org.apache.hadoop.mapred.YarnClientProtocolProvider due to error:
java.lang.NullPointerException
at
org.apache.hadoop.mapred.YarnClientProtocolProvider.create(YarnClientProtocolProvider.java:33)
at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:95)
at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:82)
at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:75)
{code}
> Stack trace missing for client protocol provider creation error
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-6442
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6442
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: MAPREDUCE-6442.2.patch, MAPREDUCE-6442.patch
>
>
> when provider creation fail dump the stack trace rather than just print out
> the message
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