Testsuite: org.apache.catalina.loader.TestWebappClassLoaderMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.351 sec
------------- Standard Error -----------------
28-Sep-2023 10:48:12.134 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
28-Sep-2023 10:48:12.765 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio2-127.0.0.1-auto-1"]
28-Sep-2023 10:48:12.872 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
28-Sep-2023 10:48:12.872 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.81-dev]
28-Sep-2023 10:48:12.969 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio2-127.0.0.1-auto-1-42297"]
28-Sep-2023 10:48:13.086 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.
28-Sep-2023 10:48:13.094 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio2-127.0.0.1-auto-1-42297"]
28-Sep-2023 10:48:13.096 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
28-Sep-2023 10:48:13.097 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio2-127.0.0.1-auto-1-42297"]
28-Sep-2023 10:48:13.100 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio2-127.0.0.1-auto-1-42297"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 1.25 sec