CoyoteAdapter.checkRecycled Encountered a non-recycled response and recycled it forcedly.

[Maxim Neshcheret <Ma...@cma.ru>]

Tomcat experiencing problems that causes the following exception:

13-May-2015 15:39:42.886 INFO [http-apr-0.0.0.0-4089-exec-123] org.apache.catalina.connector.CoyoteAdapter.checkRecycled Encountered a non-recycled response and recycled it forcedly.
 org.apache.catalina.connector.CoyoteAdapter$RecycleRequiredException
at org.apache.catalina.connector.CoyoteAdapter.checkRecycled(CoyoteAdapter.java:710)
at org.apache.coyote.http11.AbstractHttp11Processor.recycle(AbstractHttp11Processor.java:1824)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.release(Http11AprProtocol.java:257)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:745)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:283)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2463)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2452)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)

Would appreciate your advice how this issue can be diagnosed.

Information related to Tomcat version and environment:

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.


BR,
Maxim