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https://issues.apache.org/jira/browse/ZOOKEEPER-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13786686#comment-13786686
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Michi Mutsuzaki commented on ZOOKEEPER-1766:
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+1. Thanks Jackie.
> Consistent log severity level guards and statements
> ---------------------------------------------------
>
> Key: ZOOKEEPER-1766
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1766
> Project: ZooKeeper
> Issue Type: Improvement
> Affects Versions: 3.4.5
> Reporter: Jackie Chang
> Priority: Minor
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1766.patch
>
>
> A log statement should be guarded by its matching severity level. A log
> statement like
> if (LOG.isTraceEnabled()) {
> LOG.info("Session closing: 0x" + Long.toHexString(sessionId));
> doesn't make much sense because the log message is only printed out when
> TRACE-level is enabled. This inconsistency was possibly introduced when
> developers demoted the original log statement from INFO but forgot to change
> its corresponding log severity level.
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