Testsuite: org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.651 sec
------------- Standard Output ---------------
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-5] EXITING
class java.lang.Thread [pool-1-thread-4] EXITING
class java.lang.Thread [pool-1-thread-3] EXITING
------------- ---------------- ---------------
------------- Standard Error -----------------
12-Jan-2024 11:45:10.285 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
12-Jan-2024 11:45:11.996 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio2-127.0.0.1-auto-1"]
12-Jan-2024 11:45:12.069 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
12-Jan-2024 11:45:12.086 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/11.0.0-M17-dev]
12-Jan-2024 11:45:12.260 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio2-127.0.0.1-auto-1-33089"]
12-Jan-2024 11:45:12.430 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/java.lang.Thread.sleepNanos0(Native Method)
 java.base/java.lang.Thread.sleepNanos(Thread.java:491)
 java.base/java.lang.Thread.sleep(Thread.java:522)
 org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak$ExecutorServlet$Task.run(TestWebappClassLoaderExecutorMemoryLeak.java:120)
 java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
 java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
 java.base/java.lang.Thread.run(Thread.java:1570)
12-Jan-2024 11:45:12.433 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base/jdk.internal.misc.Unsafe.park(Native Method)
 java.base/java.util.concurrent.locks.LockSupport.park(LockSupport.java:221)
 java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:754)
 java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:990)
 java.base/java.util.concurrent.locks.ReentrantLock$Sync.lock(ReentrantLock.java:153)
 java.base/java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:322)
 java.base/java.util.concurrent.ThreadPoolExecutor.processWorkerExit(ThreadPoolExecutor.java:1002)
 java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1158)
 java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
 java.base/java.lang.Thread.run(Thread.java:1570)
12-Jan-2024 11:45:12.439 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio2-127.0.0.1-auto-1-33089"]
12-Jan-2024 11:45:12.441 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
12-Jan-2024 11:45:12.442 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio2-127.0.0.1-auto-1-33089"]
12-Jan-2024 11:45:12.444 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio2-127.0.0.1-auto-1-33089"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 2.52 sec