Testsuite: org.apache.catalina.loader.TestWebappClassLoaderMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.626 sec
------------- Standard Error -----------------
21-Apr-2023 13:07:03.491 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
21-Apr-2023 13:07:04.296 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio2-127.0.0.1-auto-1"]
21-Apr-2023 13:07:04.394 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
21-Apr-2023 13:07:04.394 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/10.1.9-dev]
21-Apr-2023 13:07:04.568 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio2-127.0.0.1-auto-1-35305"]
21-Apr-2023 13:07:04.736 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesStopTimerThread The web application [ROOT] appears to have started a TimerThread named [leaked-thread] via the java.util.Timer API but has failed to stop it. To prevent a memory leak, the timer (and hence the associated thread) has been forcibly canceled.
21-Apr-2023 13:07:04.749 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio2-127.0.0.1-auto-1-35305"]
21-Apr-2023 13:07:04.757 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
21-Apr-2023 13:07:04.758 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio2-127.0.0.1-auto-1-35305"]
21-Apr-2023 13:07:04.771 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio2-127.0.0.1-auto-1-35305"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 1.561 sec