spring-amqp - Spring amqp cachingConnectionFactory 没有关闭一分钟
问题描述
我的客户端应用程序是一个 Spring-shell 应用程序,运行 SpringBoot 2.1.1。
我们正在按需创建rabbitmq连接CachingConnectionFacotry
CachingConnectionFactory connectionFactory = new CachingConnectionFactory(uri);
connectionFactory.setPublisherReturns(true);
退出应用程序时,调用cachingConnectionFactory.destroy();
@PreDestroy 和/或onContextClosed
事件不会关闭cachingConnectionFactory
。应用程序需要一分钟才能退出。
下面的线程转储表明内部有一个执行cachingConnectionFactory
程序尚未关闭。
"spring-rabbit-deferred-pool-12" #29 prio=5 os_prio=31 tid=0x00007ff61245e000 nid=0x7503 waiting on condition [0x000070000fa57000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000076c928300> (a java.util.concurrent.SynchronousQueue$TransferStack)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"spring-rabbit-deferred-pool-11" #28 prio=5 os_prio=31 tid=0x00007ff616461000 nid=0x7303 waiting on condition [0x000070000f954000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000076c928300> (a java.util.concurrent.SynchronousQueue$TransferStack)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"process reaper" #14 daemon prio=10 os_prio=31 tid=0x00007ff614cd0800 nid=0x590b waiting on condition [0x000070000ec2d000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000006c078c1e0> (a java.util.concurrent.SynchronousQueue$TransferStack)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
解决方案
我不认为它与那个线程池有关......
public final void destroy() {
super.destroy();
resetConnection();
if (getContextStopped()) {
this.stopped = true;
if (this.channelsExecutor != null) {
this.channelsExecutor.shutdownNow();
}
}
}
shutDownNow()
在重置连接后调用,显然所有线程都是可中断的。
最好的猜测是某些东西(可能与网络相关)正在延迟resetConnection()
.
在发现延迟时发布完整的线程转储,可能在 GitHub gist、pastebin 或类似的地方。
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