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  1. Log4j 2
  2. LOG4J2-470

Resolution of ${hostName} in log4j2.xml file only works after first reference

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.0-beta9
    • Fix Version/s: None
    • Component/s: Configurators
    • Labels:
      None
    • Environment:

      Windows 7, JDK 1.7, Eclipse 4.2

      Description

      I am using ${hostName} to include the hostname in the log file. When I use it it resolves to "${hostName}" the first time it is referred to in the log and then the proper hostname after that.

      Example configuration (comment out the "Properties" section to duplicate):

      <?xml version="1.0" encoding="UTF-8"?>
      <Configuration monitorInterval="60"	name="SMSLog4JConfiguration"> <!-- add this to spit out debug about configuration: 'status="debug"'  -->
      
      	<!-- This seems to be a bug, but the $hostName seems to need to be referenced
      	     once before it can be used.  Maybe it gets correct in a future log4j2 release --> 
      	<Properties>
      		<Property name="theHostName">${hostName}</Property>
      	</Properties>
      
      
      	<Appenders>
      		<RollingFile name="RollingFileAppender" fileName="/applicationlogs/CTMSApplicationService-${hostName}.log"
      			filePattern="/applicationlogs/${hostName}-%d{MM-dd-yyyy}-%i.log">
      			<Policies>
      				<OnStartupTriggeringPolicy />
      				<TimeBasedTriggeringPolicy interval="24" modulate="true" />
      			</Policies>
      			<PatternLayout pattern="[%d{ISO8601}] [%t] %-5level %logger{6} - %msg%n" />
      		</RollingFile>
      	</Appenders>
      	<Loggers>
      		<!-- default for "includeLocation" is false, but I want to be clear -->
      		<Root level="debug" includeLocation="false">
      			<AppenderRef ref="RollingFileAppender" />
      		</Root>
      	</Loggers>
      </Configuration>
      

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            • Assignee:
              Unassigned
              Reporter:
              Russell.Nile@nileassociates.com Russell J. Nile
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              Dates

              • Created:
                Updated:
                Resolved: