我们正在从 Java 8 迁移到 Java 11，同时启动 tomcat server-9 只有少数应用程序出现以下异常。
警告：Web 应用程序 [Sample] 似乎启动了一个名为 [POJO.data] 的线程，但未能停止它。这很可能造成内存泄漏。线程堆栈跟踪： [email protected]/jdk.internal.misc.Unsafe.park(本地方法) [email protected]/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:234) [email protected]/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2123) [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182) [email protected]/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899) [email protected]/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054) [email protected]/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114) [email protected]/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [email protected]/java.lang.Thread.run(Thread.java:829)