I’d consider that a bug. Any Curator recipe should shut down correctly. Open an issue with a test case.
-JZ On July 15, 2014 at 8:41:14 PM, Corey Nolet ([email protected]) wrote: I'm using a leaderSelector and path children cache together. During a shutdown method, I'm getting an InterruptedException and i'm having trouble figuring out a graceful way to handle it. java.lang.InterruptedException at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1038) at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1326) at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:282) at org.apache.curator.CuratorZookeeperClient.internalBlockUntilConnectedOrTimedOut(CuratorZookeeperClient.java:324) at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:105) at org.apache.curator.utils.EnsurePath$InitialHelper.ensure(EnsurePath.java:140) at org.apache.curator.utils.EnsurePath.ensure(EnsurePath.java:99) at org.apache.curator.framework.recipes.cache.PathChildrenCache.refresh(PathChildrenCache.java:481) at org.apache.curator.framework.recipes.cache.RefreshOperation.invoke(RefreshOperation.java:35) at org.apache.curator.framework.recipes.cache.PathChildrenCache$10.run(PathChildrenCache.java:762) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) Here's my shutdown code. if (curatorFramework.getState().equals(CuratorFrameworkState.STARTED)) { pathChildrenCache.close(); leaderSelector.close(); curatorFramework.close(); } I'm assuming the closing of PathChildrenCache and LeaderSelector are probably asynchronous? Adding Thread.sleep(2000); does not seem to help, though. Is there an excepted way of closing these and waiting?
