Hi,
On Resin 4, our web app is sometimes spontaneously being reloaded during request handling. What could be the cause of that? This happens once or twice a day, at irregular times and intervals, with Resin 4.0.41 on OpenJDK 6 on Linux, but doesn't happen in the same application with Resin 3.1.10 on Sun JDK 1.5 on Solaris. Application is deployed as a .war using web-app-deploy with redeploy-mode and redeploy- check-interval at their defaults, but the .war is never touched. Moreover, we've been logging at level finest for com.caucho, but there's no indication in the log file as to why the web app is reloading, nor is there any entry in the watchdog log file. This also happens for requests resulting in a redirect at resin config level, hence not even hitting our application code. Trimmed-down example log file in attachment. Could this reloading be a feature of the health system in Resin 4? What can we do to figure out what's triggering the reload, e.g. which metric is being hit? Tnx! Best regards, Tom
2015-03-17 05:28:27,083 [resin-port-7005-248] FINE com.caucho.server.http.HttpResponseStream Http[xxxxxx, 14] close stream 2015-03-17 05:28:27,083 [resin-port-7005-248] FINER com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=14,xxxxxx] closing connection TcpSocketLink[id=http://*:7005-14,http://*:7005,CLOSED], total=17 2015-03-17 05:30:48,514 [resin-1049] FINER com.caucho.server.distcache.CacheDataBackingImpl com.caucho.server.distcache.CacheDataBackingImpl$ReaperListener@59a735 starting mnode cache reaper run, current mnode count=0, reaperTimeout=300000ms, reaperCycleMaxActiveDuration=1000ms, reaperCycleIdleToActiveUtilizationRatio=2.0 2015-03-17 05:30:48,514 [resin-1049] FINER com.caucho.server.distcache.CacheDataBackingImpl com.caucho.server.distcache.CacheDataBackingImpl$ReaperListener@59a735 finished mnode cache reaper run, removed 0 expired entries in 0ms, current mnode count=0, total sleep duration=0ms 2015-03-17 05:32:40,933 [resin-port-7005-314] FINEST com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=12,xxxxxx] starting connection TcpSocketLink[id=http://*:7005-12,http://*:7005,ACCEPT], total=17 2015-03-17 05:32:40,933 [resin-port-7005-314] FINER com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=http://*:7005-12,http://*:7005,ACCEPT] accept from ##.##.#.#:7005 2015-03-17 05:32:40,933 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] GET /xxxxxx HTTP/1.0 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Remote-IP: ##.##.#.#:7005 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=http://*:7005-12,http://*:7005,REQUEST_ACTIVE_NKA] keepalive disabled from REQUEST_ACTIVE_KA, reason=http client version less than 1.1: 256 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Host: www.xxxxxx.yyyyyy.com 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] X-Real-IP: ##.##.#.### 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] X-Forwarded-For: ##.##.#.### 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Connection: close 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.89 Safari/537.36 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Referer: http://www.xxxxxx.yyyyyy.com/ 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Accept-Encoding: gzip, deflate, sdch 2015-03-17 05:32:40,934 [resin-port-7005-314] FINE com.caucho.server.http.HttpRequest Http[xxxxxx, 12] Accept-Language: nl-NL,nl;q=0.8,en-US;q=0.6,en;q=0.4 2015-03-17 05:32:41,009 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppController$30332961[production/webapp/default/xxxxxx] stopping 2015-03-17 05:32:41,009 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppAdmin[resin:type=WebApp,Host=default,name=/xxxxxx] lifecycleEvent ACTIVE -> STOPPING 2015-03-17 05:32:41,009 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppController$30332961[production/webapp/default/xxxxxx] STOPPED 2015-03-17 05:32:41,010 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppAdmin[resin:type=WebApp,Host=default,name=/xxxxxx] lifecycleEvent STOPPING -> STOPPED 2015-03-17 05:32:41,010 [resin-port-7005-314] INFO com.caucho.server.webapp.WebApp WebApp[production/webapp/default/xxxxxx] stopping 2015-03-17 05:32:41,013 [resin-port-7005-314] FINEST com.caucho.server.cluster.ServletService ServletServer clearCache 2015-03-17 05:32:41,036 [resin-port-7005-314] FINEST com.caucho.jmx.AbstractMBeanServer resin:type=SessionManager,Host=default,WebApp=/xxxxxx unregistered from EnvironmentMBeanServer[] --- snip --- 2015-03-17 05:32:41,185 [resin-port-7005-314] FINE com.caucho.server.webapp.WebAppController WebAppController$30332961[production/webapp/default/xxxxxx] starting 2015-03-17 05:32:41,185 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppAdmin[resin:type=WebApp,Host=default,name=/xxxxxx] lifecycleEvent STOPPED -> STARTING 2015-03-17 05:32:41,502 [resin-port-7005-314] FINE com.caucho.env.deploy.EnvironmentDeployController WebApp[production/webapp/default/xxxxxx,NEW] initializing 2015-03-17 05:32:41,502 [resin-port-7005-314] FINEST com.caucho.jmx.MBeanContext MBeanServerDelegateMBean[JMImplementation:type=MBeanServerDelegate] registered in MBeanContext[EnvironmentClassLoader[web-app:production/webapp/default/xxxxxx,NEW]] 2015-03-17 05:32:41,503 [resin-port-7005-314] FINEST com.caucho.jmx.MBeanContext MBeanServerDelegateMBean[JMImplementation:type=MBeanServerDelegate] registered in MBeanContext[SystemClassLoader[system,NEW]] 2015-03-17 05:32:41,505 [resin-port-7005-314] FINER com.caucho.config.inject.InjectManager InjectManager[web-app:production/webapp/default/xxxxxx] add bean SingletonBean[WebApp, {@Default(), @Any()}] --- snip --- 2015-03-17 05:32:42,132 [resin-port-7005-314] FINER com.caucho.server.webapp.WebApp WebApp[production/webapp/default/xxxxxx] INIT 2015-03-17 05:32:42,132 [resin-port-7005-314] FINE com.caucho.server.webapp.WebApp WebApp[production/webapp/default/xxxxxx] starting 2015-03-17 05:32:42,135 [resin-1029] FINEST com.caucho.naming.ContextImpl JNDI rebind `BeanValidation' value: com.caucho.server.webapp.WebAppEnv$JndiFactoryBeanValidation@49f1af --- snip --- 2015-03-17 05:32:58,446 [resin-1029] FINER com.caucho.server.dispatch.ServletConfigImpl Servlet[welcome] active 2015-03-17 05:32:58,446 [resin-1029] FINER com.caucho.server.dispatch.ServletConfigImpl Servlet[welcome] active 2015-03-17 05:32:58,447 [resin-1029] INFO com.caucho.server.webapp.WebApp WebApp[production/webapp/default/xxxxxx] active 2015-03-17 05:32:58,447 [resin-1029] FINEST com.caucho.server.cluster.ServletService ServletServer clearCache 2015-03-17 05:32:58,447 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppController$30332961[production/webapp/default/xxxxxx] active 2015-03-17 05:32:58,448 [resin-port-7005-314] FINEST com.caucho.server.webapp.WebAppController WebAppAdmin[resin:type=WebApp,Host=default,name=/xxxxxx] lifecycleEvent STARTING -> ACTIVE 2015-03-17 05:32:58,448 [resin-port-7005-314] FINEST com.caucho.server.cluster.ServletService ServletServer clearCache 2015-03-17 05:32:58,449 [resin-port-7005-314] FINEST com.caucho.server.rewrite.RewriteDispatch rewrite-dispatch check uri '/xxxxxx' 2015-03-17 05:32:58,449 [resin-port-7005-314] FINER com.caucho.server.rewrite.AbstractRuleWithConditions match .* '/xxxxxx' --> '/xxxxxx' 2015-03-17 05:32:58,449 [resin-port-7005-314] FINEST com.caucho.server.rewrite.AbstractRuleWithConditions redirect ^/xxxxxx/current/ does not match /xxxxxx 2015-03-17 05:32:58,449 [resin-port-7005-314] FINEST com.caucho.server.rewrite.AbstractRuleWithConditions redirect ^/xxxxxx/current$ does not match /xxxxxx 2015-03-17 05:32:58,449 [resin-port-7005-314] FINEST com.caucho.server.rewrite.AbstractRuleWithConditions redirect ^/xxxxxx/$ does not match /xxxxxx 2015-03-17 05:32:58,449 [resin-port-7005-314] FINER com.caucho.server.rewrite.AbstractRuleWithConditions redirect ^/xxxxxx$ '/xxxxxx' --> '/xxxxxx/002/' 2015-03-17 05:32:58,523 [resin-port-7005-314] FINER com.caucho.server.dispatch.ServletInvocation Dispatch '/xxxxxx' to WebAppFilterChain[http://localhost:7005/, next=com.caucho.server.rewrite.RedirectQueryFilterChain@1c4642a] 2015-03-17 05:32:58,524 [resin-port-7005-314] FINE com.caucho.server.http.HttpResponse Http[xxxxxx, 12] HTTP/1.1 302 Found 2015-03-17 05:32:58,524 [resin-port-7005-314] FINE com.caucho.server.http.HttpResponse Http[xxxxxx, 12] Location: http://www.xxxxxx.yyyyyy.com/xxxxxx/002/ 2015-03-17 05:32:58,524 [resin-port-7005-314] FINE com.caucho.server.http.HttpResponse Http[xxxxxx, 12] Content-Type: text/html; charset=utf-8 2015-03-17 05:32:58,524 [resin-port-7005-314] FINE com.caucho.server.http.HttpResponse Http[xxxxxx, 12] Content-Length: 78 2015-03-17 05:32:58,524 [resin-port-7005-314] FINER com.caucho.server.http.HttpResponseStream Http[xxxxxx, 12] write-set-offset(271) 2015-03-17 05:32:58,525 [resin-port-7005-314] FINE com.caucho.server.http.HttpResponseStream Http[xxxxxx, 12] close stream 2015-03-17 05:32:58,525 [resin-port-7005-314] FINER com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=12,xxxxxx] closing connection TcpSocketLink[id=http://*:7005-12,http://*:7005,CLOSED], total=17 2015-03-17 05:33:27,298 [resin-port-7005-380] FINEST com.caucho.network.listen.TcpSocketLink TcpSocketLink[id=9,xxxxxx] starting connection TcpSocketLink[id=http://*:7005-9,http://*:7005,ACCEPT], total=17
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