Testsuite: org.apache.catalina.loader.TestWebappClassLoaderMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.242 sec
------------- Standard Error -----------------
12-Apr-2024 08:18:26.969 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
12-Apr-2024 08:18:28.058 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-127.0.0.1-auto-1"]
12-Apr-2024 08:18:28.140 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
12-Apr-2024 08:18:28.141 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/11.0.0-M20-dev]
12-Apr-2024 08:18:28.392 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-127.0.0.1-auto-1-36005"]
12-Apr-2024 08:18:28.777 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.
12-Apr-2024 08:18:28.786 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-127.0.0.1-auto-1-36005"]
12-Apr-2024 08:18:28.790 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
12-Apr-2024 08:18:28.791 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-127.0.0.1-auto-1-36005"]
12-Apr-2024 08:18:28.797 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio-127.0.0.1-auto-1-36005"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 2.119 sec