JavaTech created LOG4J2-520:
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Summary: RollingRandomAccessFile with Async Appender skip logs
Key: LOG4J2-520
URL: https://issues.apache.org/jira/browse/LOG4J2-520
Project: Log4j 2
Issue Type: Bug
Components: Appenders
Affects Versions: 2.0-beta9
Environment: JDK 1.6, Eclipse
Reporter: JavaTech
I have written a sample code which will write DEBUG, INFO , WARN logs in a
single flile, I have written a logs in FOR loop printing numbers from 1 to 99.
sometime it print numbers incomplete sequence, like 1 to 67, 1 to 89 etc.
log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<RollingRandomAccessFile name="RollingRandomAccessFile"
fileName="logs/app.log"
filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log"
immediateFlush="false" append="true"
ignoreExceptions="false">
<PatternLayout>
<Pattern>%d %-5p [%t] (%F:%L) - %m%n</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="100KB"/>
</Policies>
</RollingRandomAccessFile>
<Async name="ASYNC" includeLocation="true">
<AppenderRef ref="RollingRandomAccessFile" />
</Async>
</Appenders>
<Loggers>
<Root level="debug" includeLocation="true">
<AppenderRef ref="ASYNC" />
</Root>
</Loggers>
</Configuration>
Sample Java Code
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class LoggerUtil {
public static Logger logger = LoggerFactory.getLogger(LoggerUtil.class);
public static void main(String[] args) {
System.out.println("start");
logger.debug("debug log");
logger.info("info log");
logger.error("error log");
for(int i = 0; i < 99; i++) {
logger.warn("{}",i);
System.out.println("I : - " + i);
}
logger.error("finish printing logs");
System.out.println("end");
}
}
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