Run for more than a month of Java program suddenly stopped service, who know should get reason from-CodePudding

 10-11:10:38 Mar - 2021. 720 INFO [main] org. Apache. Catalina. Core. StandardServer. Await A valid shutdown command was received via the shutdown port. Stopping the Server instance. 
10 - Mar - 2021 11:10:38. 721 INFO [main] org. Apache. Coyote. AbstractProtocol. Pause Pausing ProtocolHandler [HTTP - nio - 84 ""] 
10 - Mar - 2021 11:10:38. 727 INFO [main] org. Apache. Coyote. AbstractProtocol. Pause Pausing ProtocolHandler [ajp - nio - 8409 ""] 
10 - Mar - 2021 11:10:38. 733 INFO [main] org. Apache. Catalina. Core. StandardService. StopInternal Stopping service [catalina] 
10 - Mar - 2021 11:10:38. 789 WARNING [localhost - startStop - 2] org. Apache. Catalina. Loader. WebappClassLoaderBase. ClearReferencesThreads The web application [thirdBack] appears to have started a thread named [SDK - apache - idle - connection - The cleaner] but has failed to stop it. This is very likely to create a memory leak. The Stack trace of The thread: 
Java. Lang. Thread.sleep (Native Method) 
Com. Aliyuncs. HTTP. Clients. ApacheIdleConnectionCleaner. Run (ApacheIdleConnectionCleaner. Java: 71) 
10 - Mar - 2021 11:10:38. 790 WARNING [localhost - startStop - 2] org. Apache. Catalina. Loader. WebappClassLoaderBase. ClearReferencesThreads The web application [thirdBack] appears to have started a thread named [idle_connection_reaper] but has failed to stop it. This is very likely to create a memory leak. The Stack trace of The thread: 
Java. Lang. Thread.sleep (Native Method) 
Com.aliyun.oss.common.com m.I dleConnectionReaper. Run (IdleConnectionReaper. Java: 77) 
10-Mar-2021 11:10:38.791 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@9417e55]) 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.
10-Mar-2021 11:10:38.791 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@2c9f0c9b]) 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.
10-Mar-2021 11:10:38.791 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@17a1f89d]) 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.
10-Mar-2021 11:10:38.792 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@15109fea]) 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.
10-Mar-2021 11:10:38.792 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@41bfb207]) 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.
10-Mar-2021 11:10:38.792 SEVERE [localhost-startStop-2] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [thirdBack] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@10defff6]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@d5554d0]) 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.
10 - Mar - 2021 11:10:38. 859 INFO [main] org. Apache. Coyote. AbstractProtocol. Stop Stopping ProtocolHandler [HTTP - nio - 84 ""] 
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