I believe I fixed this on the 2.x branch and master a few months ago, it should be available in our 2.15 release (likely in the next month). I don’t have the ticket link available from my phone, I can link it later in the day when I have a moment.
-ck > On Aug 3, 2021, at 2:03 AM, Laurent Hasson <l...@capsicohealth.com> wrote: > > I may have found it... > > Thread [Log4j2-AsyncAppenderEventDispatcher-1-ASYNC] (Running) > > > Laurent Hasson > Co-Founder and CTO > CapsicoHealth Inc. > > > > -----Original Message----- > From: Laurent Hasson <l...@capsicohealth.com> > Sent: Tuesday, August 3, 2021 02:01 > To: Log4J Users List <log4j-user@logging.apache.org> > Subject: RE: Program hangs when terminating on v14.1 > > I am not sure how to do this. I am on Eclipse? > > > Laurent Hasson > > > -----Original Message----- > From: Volkan Yazıcı <volkan.yaz...@gmail.com> > Sent: Tuesday, August 3, 2021 01:59 > To: Log4J Users List <log4j-user@logging.apache.org> > Subject: Re: Program hangs when terminating on v14.1 > > Hello Laurent, > > Thanks for the report and the reproduction path. Would you be able to hook up > a profiler and figure out the thread blocking the exit, please? > > Kind regards. > >> On Tue, Aug 3, 2021 at 7:54 AM Laurent Hasson <l...@capsicohealth.com> wrote: >> >> Hello, >> >> We use Log4J2 as our logging library both in a Web environment (under >> Tomcat), and in command-line utilities. I have noticed recently that >> our command-line utilities seem to hang when done: the normal JVM's >> exit is blocked. >> >> I am on JDK 15 with log4j-web-2.14.1.jar, log4j-core-2.14.1.jar and >> log4j-api-2.14.1.jar in the classpath. >> >> My configuration is: >> <?xml version="1.0" encoding="UTF-8"?> <Configuration status="info"> >> <Properties> >> <Property >> name="log-path">C:\Projects\TomcatDevServer\logs\</Property> >> <Property name="now">${date:yyyy-MM-dd}</Property> >> </Properties> >> <Appenders> >> <RollingFile name="FILES" fileName="${log-path}/capsico.log" >> filePattern="${log-path}/capsico.${now}.%i.log.gz"> >> <PatternLayout> >> <pattern>%d{MMdd.HHmmss.SSS}#%-3t %level{length=1} >> %15.15c{1}| %m %ex{50}%n</pattern> >> </PatternLayout> >> <Policies> >> <SizeBasedTriggeringPolicy size="100 MB" /> >> </Policies> >> <DefaultRolloverStrategy max="99999" >> compressionLevel="6"/> >> </RollingFile> >> <Async name="ASYNC"> >> <AppenderRef ref="FILES" /> >> </Async> >> <Console name="Console" target="SYSTEM_OUT"> >> <PatternLayout> >> <pattern>%d{MMdd.HHmmss.SSS}#%-3t %level{length=1} >> %15.15c{1}| %m %ex{50}%n</pattern> >> </PatternLayout> >> </Console> >> </Appenders> >> <Loggers> >> <Root level="debug"> >> <AppenderRef ref="Console" /> >> <!-- >> <AppenderRef ref="ASYNC" /> >> <AppenderRef ref="Console" /> >> --> >> </Root> >> </Loggers> >> </Configuration> >> >> We switch between console when developing to async in production, thus >> the two options. >> >> My test program is super simple: >> import org.apache.logging.log4j.LogManager; >> import org.apache.logging.log4j.Logger; >> >> public class Test >> { >> protected static final Logger LOG = >> LogManager.getLogger(Test.class.getName()); >> >> public static void main(String[] args) >> { >> LOG.debug("Hello"); >> } >> } >> >> This program hangs and doesn't exit. If I replace the Log4J2 JARs with >> v12.1, all works as expected. I checked JDK 8 and JDK 11 with the same >> behavior. >> >> If I remove the <Async> element, it works, pointing to that capability >> causing issues. My guess is that a thread is not getting closed and >> hangs the JVM's normal exist. >> >> I did not see a reference to some API changes from v12 to v14 that >> would explain this, or maybe I missed something? Or maybe it's a bug? >> >> Thank you, >> Laurent Hasson >> >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org > For additional commands, e-mail: log4j-user-h...@logging.apache.org > > ТÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÒÐÐ¥FòVç7V'67&–&RÂRÖ֖âÆösF¢×W6W"×Vç7V'67&–&TÆövv–æræ6†Ræ÷&pФf÷"FF—F–öæÂ6öÖÖæG2ÂRÖ֖âÆösF¢×W6W"Ö†VÇÆövv–æræ6†Ræ÷&pÐ > --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org