Testsuite: org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.29 sec
------------- Standard Output ---------------
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-4] EXITING
class java.lang.Thread [pool-1-thread-1] EXITING
class java.lang.Thread [pool-1-thread-5] EXITING
------------- ---------------- ---------------
------------- Standard Error -----------------
17-Nov-2023 13:46:12.947 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
17-Nov-2023 13:46:13.511 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded Apache Tomcat Native library [1.2.38] using APR version [1.6.5].
17-Nov-2023 13:46:13.511 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true], UDS [{4}].
17-Nov-2023 13:46:13.512 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
17-Nov-2023 13:46:13.525 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1f  31 Mar 2020]
17-Nov-2023 13:46:14.575 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-apr-127.0.0.1-auto-1"]
17-Nov-2023 13:46:14.622 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
17-Nov-2023 13:46:14.623 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/8.5.97-dev]
17-Nov-2023 13:46:14.917 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-apr-127.0.0.1-auto-1-40415"]
17-Nov-2023 13:46:15.314 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$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.16.1/java.lang.Thread.run(Thread.java:829)
17-Nov-2023 13:46:15.365 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
17-Nov-2023 13:46:15.366 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@11.0.16.1/java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:155)
 java.base@11.0.16.1/java.io.PrintStream.write(PrintStream.java:559)
 app//org.apache.tools.ant.util.TeeOutputStream.write(TeeOutputStream.java:86)
 java.base@11.0.16.1/java.io.PrintStream.write(PrintStream.java:559)
 java.base@11.0.16.1/sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:233)
 java.base@11.0.16.1/sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:312)
 java.base@11.0.16.1/sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
 java.base@11.0.16.1/java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:181)
 java.base@11.0.16.1/java.io.PrintStream.write(PrintStream.java:606)
 java.base@11.0.16.1/java.io.PrintStream.print(PrintStream.java:745)
 java.base@11.0.16.1/java.io.PrintStream.println(PrintStream.java:882)
 app//org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak$ExecutorServlet$Task.run(TestWebappClassLoaderExecutorMemoryLeak.java:125)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 java.base@11.0.16.1/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 java.base@11.0.16.1/java.lang.Thread.run(Thread.java:829)
17-Nov-2023 13:46:15.367 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
17-Nov-2023 13:46:15.377 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-apr-127.0.0.1-auto-1-40415"]
17-Nov-2023 13:46:15.393 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
17-Nov-2023 13:46:15.410 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-apr-127.0.0.1-auto-1-40415"]
17-Nov-2023 13:46:15.424 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-apr-127.0.0.1-auto-1-40415"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 3.118 sec