Testsuite: org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.669 sec
------------- Standard Output ---------------
class java.lang.Thread [pool-1-thread-1] EXITING
class java.lang.Thread [pool-1-thread-5] EXITING
class java.lang.Thread [pool-1-thread-2] EXITING
class java.lang.Thread [pool-1-thread-4] EXITING
class java.lang.Thread [pool-1-thread-3] EXITING
------------- ---------------- ---------------
------------- Standard Error -----------------
08-Nov-2023 23:44:32.009 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
08-Nov-2023 23:44:32.231 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded Apache Tomcat Native library [1.2.38] using APR version [1.6.5].
08-Nov-2023 23:44:32.232 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true], UDS [{4}].
08-Nov-2023 23:44:32.232 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
08-Nov-2023 23:44:32.235 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1f  31 Mar 2020]
08-Nov-2023 23:44:32.928 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-apr-127.0.0.1-auto-1"]
08-Nov-2023 23:44:32.976 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
08-Nov-2023 23:44:32.976 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/8.5.96-dev]
08-Nov-2023 23:44:33.173 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-127.0.0.1-auto-1-42473"]
08-Nov-2023 23:44:33.366 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@11.0.16.1/java.lang.Thread.sleep(Native Method)
 app//org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak$ExecutorServlet$Task.run(TestWebappClassLoaderExecutorMemoryLeak.java:120)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.16.1/java.lang.Thread.run(Thread.java:829)
08-Nov-2023 23:44:33.387 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor.tryTerminate(ThreadPoolExecutor.java:703)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:994)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.16.1/java.lang.Thread.run(Thread.java:829)
08-Nov-2023 23:44:33.404 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-apr-127.0.0.1-auto-1-42473"]
08-Nov-2023 23:44:33.407 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
08-Nov-2023 23:44:33.410 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-apr-127.0.0.1-auto-1-42473"]
08-Nov-2023 23:44:33.424 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-apr-127.0.0.1-auto-1-42473"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 1.631 sec