不同的服务器，同样一套代码，同样的 tomcat 配置。A 服务器正常 B 服务器每隔 1 天左右自动挂掉; tomcat 内存设置的也足够大了。访问用户没有几个，新部署的服务器。
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc SEVERE: The web application [/hs-service] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [FileWatchdog] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [Thread-2] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-2-1] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-1] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [threadDeathWatcher-4-1] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [pool-2-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [HouseKeeper] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-2] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [pool-2-thread-2] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-3] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [pool-2-thread-3] but has failed to stop it. This is very likely to create a memory leak.
Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-4] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [pool-2-thread-4] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-5] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [pool-2-thread-5] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-6] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-7] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads SEVERE: The web application [/hs-service] appears to have started a thread named [nioEventLoopGroup-3-8] but has failed to stop it. This is very likely to create a memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@1b51fdd1]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6b0e6e56]) and a value of type [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil.FactorySettings] (value [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil$FactorySettings@1dc8db89]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@1b0902f8]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6b0e6e56]) and a value of type [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil.FactorySettings] (value [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil$FactorySettings@154d1579]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@9f6365c]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6b0e6e56]) and a value of type [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil.FactorySettings] (value [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil$FactorySettings@52b9a078]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@1f46615]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6b0e6e56]) and a value of type [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil.FactorySettings] (value [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil$FactorySettings@7cef4d8f]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@4493d098]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6b0e6e56]) and a value of type [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil.FactorySettings] (value [com.ibatis.sqlmap.engine.mapping.result.ResultObjectFactoryUtil$FactorySettings@5b360212]) 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. Aug 26, 2018 6:43:48 PM org.apache.catalina.loader.WebappClassLoaderBase checkThreadLocalMapForLeaks SEVERE: The web application [/hs-service] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6fde19ea]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@79d003af]) 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. Aug 26, 2018 6:43:48 PM org.apache.coyote.AbstractProtocol stop INFO: Stopping ProtocolHandler ["http-bio-8119"] Aug 26, 2018 6:43:48 PM org.apache.coyote.AbstractProtocol stop INFO: Stopping ProtocolHandler ["ajp-bio-8278"] Aug 26, 2018 6:43:48 PM org.apache.coyote.AbstractProtocol destroy INFO: Destroying ProtocolHandler ["http-bio-8119"] Aug 26, 2018 6:43:48 PM org.apache.coyote.AbstractProtocol destroy INFO: Destroying ProtocolHandler ["ajp-bio-8278"]
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