[BOOKKEEPER-783] Avoid running out of fds in MutlipleThreadReadTest

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.3.0
• Component/s: bookkeeper-server
• Labels: test
• Assignee: Sijie Guo
• Reporter: Sijie Guo
• Created: 12/Sep/14 05:02
• Updated: 17/Sep/14 15:16
• Resolved: 17/Sep/14 14:34

Description

org.jboss.netty.channel.ChannelException: Failed to create a selector.
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:343)
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.<init>(AbstractNioSelector.java:100)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:52)
	at org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:45)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:28)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.newWorker(AbstractNioWorkerPool.java:143)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.init(AbstractNioWorkerPool.java:81)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:39)
	at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:33)
	at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:151)
	at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:116)
	at org.apache.bookkeeper.client.BookKeeper.<init>(BookKeeper.java:204)
	at org.apache.bookkeeper.client.BookKeeperTestClient.<init>(BookKeeperTestClient.java:50)
	at org.apache.bookkeeper.test.MultipleThreadReadTest.createClients(MultipleThreadReadTest.java:73)
	at org.apache.bookkeeper.test.MultipleThreadReadTest.multiLedgerMultiThreadRead(MultipleThreadReadTest.java:282)
	at org.apache.bookkeeper.test.MultipleThreadReadTest.test1Ledger50ThreadsRead(MultipleThreadReadTest.java:326)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.internal.runners.statements.FailOnTimeout$1.run(FailOnTimeout.java:28)
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:69)
	at sun.nio.ch.EPollSelectorImpl.<init>(EPollSelectorImpl.java:52)
	at sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:18)
	at java.nio.channels.Selector.open(Selector.java:209)
	at org.jboss.netty.channel.socket.nio.SelectorUtil.open(SelectorUtil.java:63)
	at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(AbstractNioSelector.java:341)