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Posted to notifications@logging.apache.org by "Roy Zhou (Jira)" <ji...@apache.org> on 2020/03/16 17:53:00 UTC

[jira] [Created] (LOG4J2-2808) LoggerContext should skip looking up localhost when hostName is configured.

Roy Zhou created LOG4J2-2808:
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             Summary: 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


[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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