Testsuite: org.apache.catalina.loader.TestWebappClassLoaderMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.43 sec
------------- Standard Error -----------------
26-Apr-2024 18:18:45.092 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
26-Apr-2024 18:18:46.273 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio2-127.0.0.1-auto-1"]
26-Apr-2024 18:18:46.430 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
26-Apr-2024 18:18:46.430 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.89-dev]
26-Apr-2024 18:18:46.671 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio2-127.0.0.1-auto-1-41249"]
26-Apr-2024 18:18:46.878 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.
26-Apr-2024 18:18:46.907 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio2-127.0.0.1-auto-1-41249"]
26-Apr-2024 18:18:46.911 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
26-Apr-2024 18:18:46.913 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio2-127.0.0.1-auto-1-41249"]
26-Apr-2024 18:18:46.921 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio2-127.0.0.1-auto-1-41249"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 2.28 sec