[logback-dev] [JIRA] (LOGBACK-1475) SyslogOutputStream ignores IP address changes for Syslog DNS host

[QOS.CH (JIRA)]

Simon Dean created LOGBACK-1475:
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             Summary: SyslogOutputStream ignores IP address changes for Syslog DNS host
                 Key: LOGBACK-1475
                 URL: https://jira.qos.ch/browse/LOGBACK-1475
             Project: logback
          Issue Type: Bug
          Components: logback-core
    Affects Versions: 1.2.3
            Reporter: Simon Dean
            Assignee: Logback dev list


The SyslogOutputStream converts the syslogHost to an IP address within its constructor.  This means that it only performs a DNS resolution for the Syslog host once, at start up.  If the IP address of the System host changes (and is updated in the DNS system) this class will never pick up the change. 

The suggested fix is to move the DNS resolution from the constructor into the flush method. 



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