Testsuite: org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.359 sec
------------- Standard Output ---------------
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-1] EXITING
class java.lang.Thread [pool-1-thread-5] EXITING
class java.lang.Thread [pool-1-thread-3] EXITING
------------- ---------------- ---------------
------------- Standard Error -----------------
05-Mar-2024 15:49:38.913 INFO [main] org.apache.catalina.startup.LoggingBaseTest.setUp Starting test case [testTimerThreadLeak]
05-Mar-2024 15:49:40.090 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio2-127.0.0.1-auto-1"]
05-Mar-2024 15:49:40.299 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Tomcat]
05-Mar-2024 15:49:40.303 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/9.0.87-dev]
05-Mar-2024 15:49:40.527 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio2-127.0.0.1-auto-1-44269"]
05-Mar-2024 15:49:40.754 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$Worker.run(ThreadPoolExecutor.java:635)
 java.base@17.0.7/java.lang.Thread.run(Thread.java:833)
05-Mar-2024 15:49:40.756 WARNING [main] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-1-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 java.base@17.0.7/java.io.BufferedWriter.min(BufferedWriter.java:145)
 java.base@17.0.7/java.io.BufferedWriter.write(BufferedWriter.java:228)
 java.base@17.0.7/java.io.Writer.write(Writer.java:249)
 java.base@17.0.7/java.io.BufferedWriter.newLine(BufferedWriter.java:246)
 java.base@17.0.7/java.io.PrintStream.writeln(PrintStream.java:721)
 java.base@17.0.7/java.io.PrintStream.println(PrintStream.java:1028)
 app//org.apache.catalina.loader.TestWebappClassLoaderExecutorMemoryLeak$ExecutorServlet$Task.run(TestWebappClassLoaderExecutorMemoryLeak.java:125)
 java.base@17.0.7/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
 java.base@17.0.7/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
 java.base@17.0.7/java.lang.Thread.run(Thread.java:833)
05-Mar-2024 15:49:40.762 INFO [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio2-127.0.0.1-auto-1-44269"]
05-Mar-2024 15:49:40.776 INFO [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Tomcat]
05-Mar-2024 15:49:40.776 INFO [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio2-127.0.0.1-auto-1-44269"]
05-Mar-2024 15:49:40.787 INFO [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio2-127.0.0.1-auto-1-44269"]
------------- ---------------- ---------------

Testcase: testTimerThreadLeak took 2.262 sec