Application uses log4j2 for generation of trace file (configuration is attached). During application execution I see multiple warnings related to AsycAppender:
2015-05-13 16:13:32,580 WARN Interrupted while waiting for a free slot in the AsyncAppender LogEvent-queue arASYNC_CORE 2015-05-13 16:15:21,047 WARN Interrupted while waiting for a free slot in the AsyncAppender LogEvent-queue arASYNC_CORE 2015-05-13 16:15:26,151 WARN Interrupted while waiting for a free slot in the AsyncAppender LogEvent-queue arASYNC_CORE 2015-05-13 16:15:31,272 WARN Interrupted while waiting for a free slot in the AsyncAppender LogEvent-queue arASYNC_CORE 2015-05-13 16:17:35,709 WARN Interrupted while waiting for a free slot in the AsyncAppender LogEvent-queue arASYNC_CORE According to my understanding, log files are generated in asynchronous mode and such situation should not happen. Google doest provide any advise for hit issue. Any idea what might be adjusted on Tomcat/Application level to resolve this issue? Kind regards, Maxim P.S. Tomcat version information: 13-May-2015 12:59:44.556 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.0.21 13-May-2015 12:59:44.564 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Mar 23 2015 14:11:21 UTC 13-May-2015 12:59:44.564 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.0.21.0 13-May-2015 12:59:44.565 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: SunOS 13-May-2015 12:59:44.566 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 5.10 13-May-2015 12:59:44.566 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: sparcv9 13-May-2015 12:59:44.567 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /cma/java/jdk1.7.0_75/jre 13-May-2015 12:59:44.568 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.7.0_75-b13 13-May-2015 12:59:44.568 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation 13-May-2015 12:59:44.569 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /cma/depox/gateway 13-May-2015 12:59:44.570 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /cma/depox/gateway 13-May-2015 12:59:44.573 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/cma/depox/gateway/conf/logging.properties 13-May-2015 12:59:44.573 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 13-May-2015 12:59:44.574 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xms4096m 13-May-2015 12:59:44.575 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xmx4096m 13-May-2015 12:59:44.575 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xss512k 13-May-2015 12:59:44.576 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:PermSize=512m 13-May-2015 12:59:44.577 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:MaxPermSize=1024m 13-May-2015 12:59:44.578 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:CompileThreshold=100 13-May-2015 12:59:44.578 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:ReservedCodeCacheSize=128m 13-May-2015 12:59:44.579 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+OptimizeStringConcat 13-May-2015 12:59:44.580 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+UseStringCache 13-May-2015 12:59:44.580 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+UseConcMarkSweepGC 13-May-2015 12:59:44.581 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+CMSIncrementalMode 13-May-2015 12:59:44.582 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+CMSIncrementalPacing 13-May-2015 12:59:44.583 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+UseParNewGC 13-May-2015 12:59:44.583 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+ExplicitGCInvokesConcurrent 13-May-2015 12:59:44.584 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:ParallelGCThreads=4 13-May-2015 12:59:44.585 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:MaxGCPauseMillis=2000 13-May-2015 12:59:44.585 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+DisableExplicitGC 13-May-2015 12:59:44.586 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+PrintGC 13-May-2015 12:59:44.587 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+PrintGCTimeStamps 13-May-2015 12:59:44.588 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -XX:+PrintGCDetails 13-May-2015 12:59:44.589 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xloggc:/cma/depox/gateway/logs/GCLogs.log 13-May-2015 12:59:44.590 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -DAsyncLogger.RingBufferSize=524288 13-May-2015 12:59:44.591 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote 13-May-2015 12:59:44.591 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=4489 13-May-2015 12:59:44.592 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.authenticate=false 13-May-2015 12:59:44.593 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false 13-May-2015 12:59:44.594 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.endorsed.dirs=/cma/depox/gateway/endorsed 13-May-2015 12:59:44.594 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/cma/depox/gateway 13-May-2015 12:59:44.595 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/cma/depox/gateway 13-May-2015 12:59:44.596 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/cma/depox/gateway/temp 13-May-2015 12:59:44.597 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library 1.1.33 using APR version 1.5.2.
log4j2.xml
Description: XML document
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