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https://issues.apache.org/jira/browse/HDFS-10876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15507436#comment-15507436
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Mingliang Liu commented on HDFS-10876:
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I'm also thinking of logging the exception stack trace in INFO or DEBUG level.
> Dispatcher#dispatch should log IOException stacktrace
> -----------------------------------------------------
>
> Key: HDFS-10876
> URL: https://issues.apache.org/jira/browse/HDFS-10876
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Affects Versions: 2.6.0
> Reporter: Wei-Chiu Chuang
> Assignee: Manoj Govindassamy
> Priority: Trivial
> Labels: newbie
> Attachments: HDFS-10876.001.patch
>
>
> This error logging should be improved. A warning log should record the
> stacktrace as well.
> {code:title=Dispatcher#dispatch}
> try {
> ...
> } catch (IOException e) {
> LOG.warn("Failed to move " + this + ": " + e.getMessage());
> ...
> }
> {code}
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