Hi,
I am using external properties file(process_settings.properties) for variable
substitution to programmatically configure the following logger parameters:
BACKUP_COUNT (backup history)
FILE_SIZE
LOG_LEVEL
>From my application, after I set the above mentioned params in properties
>file, I want the logback configuration(and hence the new properties file) to
>be reloaded and restarted again.
For that I am doing:
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
loggerContext.reset();
ContextInitializer ci = new ContextInitializer(loggerContext);
ci.autoConfig();
On restart, logback.xml is not using the updated properties file, instead it is
still substituting values which were set previously.
Please suggest how to restart logback such that the updated properties file is
picked up.
(Properties file is being correctly updated – this has been verified)
Logback.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<property resource="process_settings.properties" />
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
encoders are by default assigned the type
ch.qos.logback.classic.encoder.PatternLayoutEncoder
<encoder>
<pattern>%d [%thread] %-5level %class{0} %msg%n</pattern>
</encoder>
</appender>
<appender name="FILE"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>C:/cpm.log</file>
<rollingPolicy
class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
<!--
<fileNamePattern>/var/log/cloudprovider-mgr/cpm.%i.log</fileNamePattern> -->
<fileNamePattern>C:/cpm.%i.log</fileNamePattern>
<minIndex>1</minIndex>
<maxIndex>${BACKUP_COUNT}</maxIndex>
</rollingPolicy>
<triggeringPolicy
class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
<maxFileSize>${FILE_SIZE}</maxFileSize>
</triggeringPolicy>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %class{0}
%msg%n</pattern>
</encoder>
</appender>
<root level="DEBUG">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>
<logger name="com.xyz">
<level value="${LOG_LEVEL}" />
</logger>
</configuration>
Thanks,
Kriti
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