Where is logback on the class path? If it is in the wars, try taking it out and putting it in the tomcat class path.
David > On 18 Sep 2013, at 16:30, Christopher Holt <[email protected]> wrote: > > Hello, > > I have logback configured so that code bundled in 2 different war files under > tomcat will write to the same log file which rolls daily. It's also marked > as prudent. I believe my configuration follows the guidelines from > (http://logback.qos.ch/manual/appenders.html#prudentWithRolling). > > <configuration> > <appender name="A1" class="ch.qos.logback.core.rolling.RollingFileAppender"> > <prudent>true</prudent> > <encoder> > <pattern>%d{dd-MM HH:mm:ss} [%t] %c %5p %m%n</pattern> > </encoder> > <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> > > <FileNamePattern>${catalina.base}/logs/myapp.%d{yyyy-MM-dd}.log</FileNamePattern> > <MaxHistory>30</MaxHistory> > </rollingPolicy> > </appender> > > <root level="INFO"> > <appender-ref ref="A1"/> > </root> > </configuration> > > My problem is that I get lots of > java.nio.channels.OverlappingFileLockException. > ... > java.nio.channels.FileChannel.lock(FileChannel.java:860) > ch.qos.logback.core.FileAppender.safeWrite(FileAppender.java:187) > ch.qos.logback.core.FileAppender.writeOut(FileAppender.java:204) > ch.qos.logback.core.OutputStreamAppender.subAppend(OutputStreamAppender.java:212) > ... > > After reading the docs for OverlappingFileLockException, my hunch is that the > 2 different loggers, loaded by different class loaders within the same JVM > are both trying to lock the file, unbeknownst to each other. This violates > the rules for FileChannel.lock, which seem to ignore the issue of locks among > multiple class loaders within 1 JVM. > > Has anyone run into this issue before? Is there a simple workaround that I'm > not thinking of? > > Thanks, > Chris > > _______________________________________________ > Logback-user mailing list > [email protected] > http://mailman.qos.ch/mailman/listinfo/logback-user
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