Github user eolivelli commented on the issue:
https://github.com/apache/bookkeeper/pull/116
@merlimat @kishorekasi
Even on @merlimat brach I get a lot of too many open files, like this
```
2017-05-03 09:33:12,232 - ERROR -
[ZKC-connect-executor-0:ZooKeeperClient$1$1@125] - Failed to create zookeeper
instance to 127.0.0.1:15000
java.io.IOException: Couldn't instantiate
org.apache.zookeeper.ClientCnxnSocketNIO
at
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:2732)
at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:728)
at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:786)
at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:653)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient.createZooKeeper(ZooKeeperClient.java:324)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient$1$1.call(ZooKeeperClient.java:123)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient$1$1.call(ZooKeeperClient.java:114)
at
org.apache.bookkeeper.zookeeper.ZooWorker.syncCallWithRetries(ZooWorker.java:141)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient$1.call(ZooKeeperClient.java:114)
at
org.apache.bookkeeper.zookeeper.ZooKeeperClient$1.call(ZooKeeperClient.java:109)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Too many open files
at sun.nio.ch.EPollArrayWrapper.epollCreate(Native Method)
at sun.nio.ch.EPollArrayWrapper.<init>(EPollArrayWrapper.java:130)
at sun.nio.ch.EPollSelectorImpl.<init>(EPollSelectorImpl.java:69)
at
sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:36)
at java.nio.channels.Selector.open(Selector.java:227)
at
org.apache.zookeeper.ClientCnxnSocketNIO.<init>(ClientCnxnSocketNIO.java:44)
at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at
org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:2730)
... 13 more
```
I'm running tests on two different laptops.
Don't you get errors like those ?
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