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https://issues.apache.org/jira/browse/LOG4J2-2808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roy Zhou updated LOG4J2-2808:
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Priority: Major (was: Trivial)
> LoggerContext should skip looking up localhost when hostName is configured.
> ---------------------------------------------------------------------------
>
> Key: LOG4J2-2808
> URL: https://issues.apache.org/jira/browse/LOG4J2-2808
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.8.2
> Reporter: Roy Zhou
> Priority: Major
>
> [This
> line|[https://github.com/apache/logging-log4j2/blob/master/log4j-core/src/main/java/org/apache/logging/log4j/core/LoggerContext.java#L608]]
> should use {{computeIfAbsent}} instead of {{putIfAbsent}}.
> When DNS is disabled on certain systems, NetUtils.getLocalHostname() will
> block and prevent LoggerContext from initializing correctly. When hostName is
> configured, NetUtils.getLocalHostname() should not be evaluated.
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