but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

Question

 WARNING [Thread-17] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [modelx] appears to have started a thread named [ModelxScheduler_Worker-19] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
04-Nov-2019 14:06:24.881 WARNING [Thread-17] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [modelx] appears to have started a thread named [ModelxScheduler_Worker-20] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.lang.Object.wait(Native Method)
 org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:568)
04-Nov-2019 14:06:24.901 INFO [Thread-17] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-8090"]
04-Nov-2019 14:06:24.902 INFO [Thread-17] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-nio-8099"]

Answer 1

它说你启动ModelxScheduler in Worker-19 这个线程，没有停止它，会造成内存泄漏

找找你这个方法，让线程安全关闭