Testsuite: org.apache.catalina.loader.TestWebappClassLoaderMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.482 sec
------------- Standard Error -----------------
02-Apr-2024 20:25:11.032 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
02-Apr-2024 20:25:12.410 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-127.0.0.1-auto-1"]
02-Apr-2024 20:25:12.498 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
02-Apr-2024 20:25:12.510 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.88-dev]
02-Apr-2024 20:25:12.691 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-127.0.0.1-auto-1-34725"]
02-Apr-2024 20:25:13.032 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.
02-Apr-2024 20:25:13.037 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-127.0.0.1-auto-1-34725"]
02-Apr-2024 20:25:13.040 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
02-Apr-2024 20:25:13.041 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-127.0.0.1-auto-1-34725"]
02-Apr-2024 20:25:13.046 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio-127.0.0.1-auto-1-34725"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 2.4 sec