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09-Jul-2024 11:39:27.892 WARNING [http-nio-8080-exec-8] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [NMXRegisterService] appears to have started a thread named [mysql-cj-abandoned-connection-cleanup] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.6/java.lang.Object.wait(Native Method)
 java.base@11.0.6/java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:155)
 com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:91)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 java.base@11.0.6/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.6/java.lang.Thread.run(Thread.java:834)
09-Jul-2024 11:39:27.899 INFO [http-nio-8080-exec-8] org.apache.catalina.startup.HostConfig.deployDescriptor Deployment of deployment descriptor [/usr/local/Tomcat/conf/Catalina/localhost/NMXRegisterService.xml] has finished in [5,261] ms
09-Jul-2024 11:39:32.895 INFO [mysql-cj-abandoned-connection-cleanup] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
	java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
		at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1435)
		at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:1060)
		at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.checkThreadContextClassLoader(AbandonedConnectionCleanupThread.java:123)
		at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:90)
		at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
		at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
		at java.base/java.lang.Thread.run(Thread.java:834)