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Support Article

Log path changes in prlogging.xml file not working



User has changed the log path in the prlogging file for Pega logs, alert security. But logs are still to written to the old path location.

Error Messages

Not applicable

Steps to Reproduce

1.Access the prlogging file on server through command prompt.
2. Update the log path below for Value field:
<appender name="PEGA" class="com.pega.pegarules.priv.util.DailySizeRollingFileAppenderPega">
<param name="FileNamePattern" value="'@{web.tmpdir}/PegaRULES-'yyyy-MMM-dd'.log'"/>
3. Restart the server.

Root Cause

User wanted a log file for each JVM and for it to be placed in its own specific directory, they did not know how to achieve this.


Apply the following local-change to resolve the issue:

1. For each JVM create a system property which reflects the instance for example, JVM_NAME then add a JVM argument similar to this


2. Then in the prlogging.xml for the path have: 

    <param name=”FileNamePattern” value=”’${pega.log.path}/PEGARULES-‘yyyy-mm-dd’”>


Published August 23, 2016 - Updated October 8, 2020

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