Testsuite: org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.477 sec
------------- Standard Output ---------------
class java.lang.Thread [pool-1-thread-4] EXITING
class java.lang.Thread [pool-1-thread-1] EXITING
class java.lang.Thread [pool-1-thread-2] EXITING
class java.lang.Thread [pool-1-thread-3] EXITING
class java.lang.Thread [pool-1-thread-5] EXITING
------------- ---------------- ---------------
------------- Standard Error -----------------
06-Nov-2023 19:37:32.806 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
06-Nov-2023 19:37:33.074 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded Apache Tomcat Native library [1.2.38] using APR version [1.6.5].
06-Nov-2023 19:37:33.074 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true], UDS [true].
06-Nov-2023 19:37:33.075 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
06-Nov-2023 19:37:33.077 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1f  31 Mar 2020]
06-Nov-2023 19:37:33.555 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-apr-127.0.0.1-auto-1"]
06-Nov-2023 19:37:33.577 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
06-Nov-2023 19:37:33.578 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.83-dev]
06-Nov-2023 19:37:33.695 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-127.0.0.1-auto-1-38107"]
06-Nov-2023 19:37:33.845 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@17.0.7/java.lang.Thread.sleep(Native Method)
 app//org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak$ExecutorServlet$Task.run(TestWebappClassLoaderExecutorMemoryLeak.java:120)
 java.base@17.0.7/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
 java.base@17.0.7/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
 java.base@17.0.7/java.lang.Thread.run(Thread.java:833)
06-Nov-2023 19:37:33.848 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
06-Nov-2023 19:37:33.858 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-apr-127.0.0.1-auto-1-38107"]
06-Nov-2023 19:37:33.863 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
06-Nov-2023 19:37:33.864 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-apr-127.0.0.1-auto-1-38107"]
06-Nov-2023 19:37:33.872 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-apr-127.0.0.1-auto-1-38107"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 1.398 sec