-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 박원석,
On 9/26/17 5:29 AM, 박원석 wrote: > Hello, I'm operating some services under this environment. > > 1. server OS : RHEL 6.x JVM : 1.8.0_x WEB : httpd 2.2.24 WAS : > tomcat-8.0.44(tomcat-native1.2.14) 2. server OS : RHEL 6.x JVM : > 1.8.0_x WEB : httpd 2.2.24 WAS : > tomcat-7.0.75(tomcat-native1.2.14) > > <!-- Define an AJP 1.3 Connector on port 8009 --> <Connector > port="8009" protocol="AJP/1.3" redirectPort="9443" > URIEncoding="UTF-8" acceptCount="200" acceptorThreadCount="2" > maxThreads="300" minSpareThreads="50" > *connectionTimeout="15000*"/> > > > I can see a RUNNABLE thread in my tomcat8.0.44 server that waits > keep alive timeout(connectionTimeout) status. > > > *====only tomcat8 ===ajp-apr-8009-exec-8 (RUNNABLE)* - 42 > <http://was1/simple/threaddump.jsp?tid=42> > > org.apache.tomcat.jni.Socket.recvbb(Native Method) > org.apache.coyote.ajp.AjpAprProcessor.readSocket(AjpAprProcessor.java: 256) > > org.apache.coyote.ajp.AjpAprProcessor.read(AjpAprProcessor.java:197) > org.apache.coyote.ajp.AbstractAjpProcessor.readMessage(AbstractAjpProc essor.java:1091) > > org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor. java:804) > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(A bstractProtocol.java:684) > > org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(Ap rEndpoint.java:2458) > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j ava:1142) > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja va:617) > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThr ead.java:61) > > java.lang.Thread.run(Thread.java:745) > > > but I can't see a RUNNABLE thread in my tomcat7.0.75 server that > server service a reguest and exactly change to TIMED_WATING status > . why differnt beetween tomcat7 and tomcat8 ?? > > > *ajp-apr-8009-exec-5 (TIMED_WAITING)* - 39 > <http://was1/simple/threaddump.jsp?tid=39> > > sun.misc.Unsafe.park(Native Method) > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) > > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.aw aitNanos(AbstractQueuedSynchronizer.java:2078) > java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java :467) > > org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:85) > org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:31) > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.jav a:1066) > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.jav a:1127) > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor. java:617) > > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThrea d.java:61) > java.lang.Thread.run(Thread.java:745) > In Tomcat 8 you appear to be using the APR connector with the tcnative library. I can tell from this part of your stack trace: > org.apache.tomcat.jni.Socket.recvbb(Native Method) > org.apache.coyote.ajp.AjpAprProcessor.readSocket(AjpAprProcessor.java: 256) > > org.apache.coyote.ajp.AjpAprProcessor.read(AjpAprProcessor.java:197) > org.apache.coyote.ajp.AbstractAjpProcessor.readMessage(AbstractAjpProc essor.java:1091) > > org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor. java:804) In your Tomcat 7 environment, you are also using the APR connector (look at the thread name) but it looks like that particular thread is waiting for more work (i.e. not in keepalive-wait). I think you are looking at two different situations, here. - -chris -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAlnLtVwACgkQHPApP6U8 pFiqYw//VIhIt2m+3nzczJlR1A949x8l81ODdjbRB0R/vCwUTpHomi1ae7PnrrBK SEu53i78jIJ8egMmUq2E5DsVfMz7NVKr5lbzXrFKSO3fBAgppZ+YqPGQ59AkVRs0 78rZEhzPh/2xfrjH5/DGH1bNJq+HiZYwcvzBspn/7Yl4fAAecpho5B8Fr2/s2HyS ysBCvJsPPLpCQrfu1bAygzSHlgAui7l6bvTFIMp/eD9ZDPx4B+aiv45/KdnNJhJP tOEyWJRPxyCFCxL4n2dLapSGAR/l1fbNaYQlCdJ6ekmEvG8X/QiCqPImAIJdihrp fYyLB3NN2rddy3dho9bjvoDm5BKyc4PtxBmsMmtdYU8uxi2+xQwGEWtEND2TdlCo 3dAzNMa/tHLERFwrBq4vzz6cUelKcineXbtxOACnvig48JsIjj+O5Ggt0ZQOAWDc cFteLu+k0E1GfTZVqThMI10sT+FqyAz4Lrfhg5KYyjVg2AYCVmvKEizHVp4lpbqo ERqpm9hU2/Ri7hU7VJ8RHnQW1b5ge2zbbTTVgMX009cSdzvbHnVbIRZZ3VDRhWqH 9ZB3Jg/2rmuOWhimynfyr4IVDLhppIo+TgtAjoIvN5WBNva9ph4eXGG5fbtWugsz 5Q7T28Y+nl1O3Rq+GZvhcGpZAthl/QCVyVV6IP+q66b0D5mE5Rc= =F9/o -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
