Hi Michael, it might be helpful to obtain a stack trace in order to see what all the threads are doing: http://caucho.com/resin-3.0/troubleshoot/technique.xtp#thread-dump
We had been running 3.0.19 for a very long time, with the "thread-pool" element in resin conf and hadn't had the problem you describe, so I'm sure it should work. Best, markus Michael Ebeling wrote: > > We have recently seen some instances where Resin 3.0.19 running with > mod_caucho seems to stop answering requests. It's still running, because > I've turned on debug logging, and when this happens it continues to > write entries about cleaning up the expired sessions, but no new > requests get fulfilled. Stopping and restarting resin clears up the issue. > > Our suspicion is that resin may be running out of threads, so I've been > trying to increase the threads by adding a directive to the > configuration file > > >> > <thread-pool> > <thread-max>300</thread-max> > <spare-thread-min>10</spare-thread-min> > </thread-pool> > << > > The documentation suggests in places that this should be a child of > <resin> and in other places it seems to be listed as a child of <server> > - which is correct? I have tried to add it at both levels, and I get a > strange error when starting up resin which says that the web-app root > directory is the same as resin.home. The relevant lines from the log > follow. This error does not appear when I remove the <thread-pool> entries. > > >> > [2006/11/08 16:08:48.032] web-app root directory should not be the same > as resin.home > [2006/11/08 16:08:48.032] /export/home/mltv/resin > [2006/11/08 16:08:48.118] WebApp[] starting > [2006/11/08 16:08:49.655] Resin restarting due to configuration change > [2006/11/08 16:08:49.655] Server[f] stopping > [2006/11/08 16:08:49.710] Received close event > [2006/11/08 16:17:28.938] Server[f] starting > [2006/11/08 16:17:28.940] > [2006/11/08 16:17:28.943] SunOS 5.10 sparc > [2006/11/08 16:17:28.945] Java 1.5.0_06-b05, 32, mixed mode, ISO646-US, > en, Sun Microsystems Inc. > [2006/11/08 16:17:28.948] resin.home = /export/home/mltv/resin > [2006/11/08 16:17:28.950] server.root = /export/home/mltv/resin > << > > Here is our resin configuration file for reference. Ideas or comments > are appreciated. > > >> > <resin xmlns="http://caucho.com/ns/resin" > xmlns:resin="http://caucho.com/ns/resin/core"> > > <javac compiler='/usr/java/bin/javac'/> > > <stderr-log path="log/wad-stderr.log" > timestamp="[%m/%d/%y %H:%M:%S.%s] " > rollover-period="1D" rollover-count="7"/> > <stdout-log path="log/wad-stdout.log" > timestamp="[%m/%d/%y %H:%M:%S.%s] " > rollover-period="1D" rollover-count="7"/> > > <log path="stdout:"> > <logger name="com.caucho.server.cluster.JdbcStore"/> > <logger name="" level="info"/> > <logger name="com.caucho.java" level="config"/> > <logger name="com.caucho.loader" level="config"/> > </log> > > <log name="" level="finer" path='log/wad-debug.log' > timestamp="[%Y/%m/%d %H:%M:%S.%s] " > rollover-period='1h' rollover-count='4'/> > > <log path="log/wad-http.log" > timestamp="[%Y/%m/%d %H:%M:%S.%s] " > rollover-period='1h' rollover-count='2'> > <logger name="com.caucho.server.http" level="finer"/> > <logger name="com.caucho.server.connection" level="finer"/> > </log> > > <server> > > <database> > <jndi-name>jdbc/mysql</jndi-name> > <driver type="org.gjt.mm.mysql.Driver"> > > <url>jdbc:mysql://10.10.240.20:3306,10.10.240.21:3306/wad_session?autoReconnect=true&failOverReadOnly=false</url> > > <user>mltv</user> > <password>resin</password> > </driver> > <prepared-statement-cache-size>8</prepared-statement-cache-size> > <max-connections>1000</max-connections> > <max-idle-time>60s</max-idle-time> > </database> > > <cluster> > <srun server-id='a' host='10.10.240.20' port='6804' index='1'/> > <srun server-id='b' host='10.10.240.21' port='6804' index='2'/> > <srun server-id='c' host='10.10.240.22' port='6804' index='3'/> > <srun server-id='d' host='10.10.240.24' port='6804' index='4'/> > <srun server-id='e' host='10.10.240.25' port='6804' index='5'/> > <srun server-id='f' host='10.10.190.11' port='6804' index='6'/> > <srun server-id='g' host='10.10.190.10' port='6804' index='7'/> > </cluster> > > <persistent-store type="jdbc"> > <init> > <data-source>jdbc/mysql</data-source> > </init> > </persistent-store> > > <resin:import path="${resinHome}/conf/app-default.xml"/> > > <host id=''> > <web-app id='/' document-directory='/export/home/mltv/www/wad'> > > <session-config enable-url-rewriting='false'> > <use-persistent-store/> > <always-save-session/> > </session-config> > > <listener> > > <listener-class>com.caucho.jsp.JspPrecompileListener</listener-class> > <init> > <extension>jsp</extension> > <extension>jspx</extension> > <extension>xtp</extension> > </init> > </listener> > </web-app> > </host> > > </server> > > </resin> > << > > Michael Ebeling > Systems Administrator > MLT Vacations, Inc. > > > ------------------------------------------------------------------------ > > _______________________________________________ > resin-interest mailing list > resin-interest@caucho.com > http://maillist.caucho.com/mailman/listinfo/resin-interest -- ---------------------------------------------- Markus Ken Moriyama <[EMAIL PROTECTED]> Development Director Co-Founder Eastbeam Co., Ltd. Jingumae Happy Bldg 8F, 6-19-14 Jingumae, Shibuya-ku 150-0001 Tokyo, Japan Tel: +81 3 5766 0874 Fax: +81 3 3499 8217 http://www.eastbeam.co.jp/ _______________________________________________ resin-interest mailing list resin-interest@caucho.com http://maillist.caucho.com/mailman/listinfo/resin-interest