tomcat不定时自动挂掉！！！！！！！！！！！！！！

Question

17/12/03 19:40:00 INFO config.AbstractConfig: [DUBBO] Run shutdown hook now., dubbo version: 2.5.3, current host: 172.31.10.48
17/12/03 19:40:00 INFO support.AbstractRegistryFactory: [DUBBO] Close all registries [zookeeper://hfftautzk01:2181/com.alibaba.dubbo.registry.RegistryService?application=hfepay-super-api-webapp&backup=hfftautzk02:2181,hfftautzk03:2181&dubbo=2.5.3&interface=com.alibaba.dubbo.registry.RegistryService&pid=3219&timestamp=1512294721056], dubbo version: 2.5.3, current host: 172.31.10.48
17/12/03 19:40:00 INFO zookeeper.ZookeeperRegistry: [DUBBO] Destroy registry:zookeeper://hfftautzk01:2181/com.alibaba.dubbo.registry.RegistryService?application=hfepay-super-api-webapp&backup=hfftautzk02:2181,hfftautzk03:2181&dubbo=2.5.3&interface=com.alibaba.dubbo.registry.RegistryService&pid=3219&timestamp=1512294721056, dubbo version: 2.5.3, current host: 172.31.10.48
Dec 03, 2017 7:40:00 PM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-nio-8080"]
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboRegistryFailedRetryTimer-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [localhost-startStop-1-SendThread(hfftautzk01:2181)] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboSaveRegistryCache-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboClientReconnectTimer-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [New I/O client worker #1-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [dubbo-remoting-client-heartbeat-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboClientReconnectTimer-thread-2] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [New I/O client worker #1-2] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [dubbo-remoting-client-heartbeat-thread-2] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboResponseTimeoutScanTimer] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-4] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-5] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-6] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-7] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-8] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-9] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-10] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-11] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-12] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-13] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-14] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-15] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-16] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-17] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [Thread-18] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [commons-pool-EvictionTimer] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [New I/O client worker #1-3] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
SEVERE: The web application [/superapi] appears to have started a thread named [DubboSharedHandler-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Dec 03, 2017 7:40:01 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks
SEVERE: The web application [/superapi] created a ThreadLocal with key of type com.alibaba.dubbo.rpc.RpcContext$1 and a value of type com.alibaba.dubbo.rpc.RpcContext but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
Dec 03, 2017 7:40:01 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["http-nio-8080"]
Dec 03, 2017 7:40:01 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-bio-48009"]
Dec 03, 2017 7:40:01 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-nio-8080"]
Dec 03, 2017 7:40:01 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-bio-48009"]

Answer 1

tomcat 的内存配置都已经检查了，