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From "Brendan Miller (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LOG4J2-1804) Rolling file %i based rolling broken in 2.8
Date Wed, 01 Feb 2017 21:42:51 GMT
Brendan Miller created LOG4J2-1804:
--------------------------------------

             Summary: Rolling file %i based rolling broken in 2.8
                 Key: LOG4J2-1804
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1804
             Project: Log4j 2
          Issue Type: Bug
          Components: Appenders
    Affects Versions: 2.8
            Reporter: Brendan Miller


Log files do not seem to be rolling up to the max number of files as specified in DefaultRolloverStrategy
while utilizing a SizeBasedTriggeringPolicy. It is just rolling just to 1 file.

Simple repro:

log4j2.xml
{code}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO" name="MyApp">
    <Appenders>
        <RollingFile name="rolling"
                     fileName="__logs__/rolling.log"
                     filePattern="__logs__/rolling.log.%i"
                     immediateFlush="true">
            <PatternLayout pattern="%d %5p [%t] (%c) - %m%n"/>
            <SizeBasedTriggeringPolicy size="1MB"/>
            <DefaultRolloverStrategy max="10"/>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="INFO">
            <AppenderRef ref="rolling"/>
        </Root>
    </Loggers>
</Configuration>
{code}

MyApp.scala:
{code}
import scala.util.Random
import org.apache.logging.log4j.LogManager

object MyApp extends App {
  val log = LogManager.getLogger(this.getClass)

  var counter = 0L
  var bytes = new Array[Byte](1000)
  while (true) {
    Random.nextBytes(bytes)
    log.info(f"Log statement: $counter%08x ${bytes.mkString}")
    counter += 1
    Thread.sleep(5)
  }
}
{code}

If you run that against 2.7, things roll fine. If you run that against 2.8, you'll only see
rolling.log & rolling.log.1 in the __logs__ folder.



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