Edwin F. López created LOG4J2-911:
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Summary: monitorInterval is not honored when using xinclude
Key: LOG4J2-911
URL: https://issues.apache.org/jira/browse/LOG4J2-911
Project: Log4j 2
Issue Type: Bug
Components: Configurators
Affects Versions: 2.1
Environment: Windows, Linux
Reporter: Edwin F. López
Priority: Critical
Hi there.
I'm using Log4J2 version 2.1 and while doing a proof of concept for
centralizing my configurations, I have stumble upon the following scenario:
I have created a configuration file which should be reloading automatically
every 15 seconds in a console application. For loading the appenders and
loggers, I have used the XInclude directive to reference the external source
information, however, I'm using a servlet to generate the xml instead of files.
This servlet runs fine and correctly prints the xml fragments.
Well, it happens that the configuration only reloads when the log4j2.xml file
changes, however, if there is any change in the output from the servlet, it
doesn't reload the new configuration. In other words, I was expecting that the
configuration was getting reloaded every 15 seconds, so it could take the new
values from the servlet but it is not happening.
I have activated the statuslogger to a trace level, and it effectively
registers the configuration reloading when manually modifying the log4j2.xml,
but it never shows anything when the xinclude values changes.
Is this the expected behavior? I was expecting a reconfiguration every 15 secs.
See below the log4j2.xml and appenders.xml and loggers.xml
Log4J2 config file:
<?xml version="1.0" encoding="ISO-8859-1"?>
<Configuration
xmlns:xi="http://www.w3.org/2001/XInclude";
name="Log4J2Config"
monitorInterval="10"
status="Trace">
<Properties>
<Property
name="Pattern">%d{ISO8601}|APP=%marker|%p|%c|%M|%m%n</Property>
</Properties>
<!-- Appenders -->
<xi:include
href="http://localhost:7001/log4j2config/getlog4j2xmlconfig?appCode=log4jConfig&section=appenders";
/>
<!-- Loggers -->
<xi:include
href="http://localhost:7001/log4j2config/getlog4j2xmlconfig?appCode=log4jConfig&section=loggers";
/>
</Configuration>
Appenders fragment:
<?xml version="1.0" encoding="ISO-8859-1"?>
<Appenders>
<Console name="Console" target="SYSTEM_ERR">
<PatternLayout pattern="${Pattern}"/>
</Console>
<RollingFile
name="RollingFile"
fileName="app.log"
filePattern="app-%d{yyyyMMdd}-%i.log.gz">
<PatternLayout pattern="${Pattern}" />
<Policies>
<SizeBasedTriggeringPolicy size="1MB" />
</Policies>
</RollingFile>
</Appenders>
Loggers fragment:
<?xml version="1.0" encoding="ISO-8859-1"?>
<Loggers>
<Root level="Off">
<AppenderRef ref="Console" />
</Root>
<Logger name="log4jconfig.Log4JConfig" level="FATAL" includeLocation="true">
<AppenderRef ref="RollingFile" />
</Logger>
</Loggers>
Thanks a lot
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