wow, my machine has been crashed. On Tue, Apr 28, 2015 at 12:58 PM, Edward J. Yoon <[email protected]> wrote: > I just found this > https://github.com/netty/netty/commit/dcf78961724abf97fea9e768cca02ba65146b324 > > On Tue, Apr 28, 2015 at 11:39 AM, Chia-Hung Lin <[email protected]> wrote: >> Have you checked limit.conf? >> >> From the message it looks like the files opened at underlying system >> exceed its default limit. >> >> On 28 April 2015 at 08:08, Edward J. Yoon <[email protected]> wrote: >>> I tried to run BSP job using netty-based RPC instead of message >>> bundle, but I received "too many open files". >>> >>> -- >>> >>> attempt_201504280858_0001_000017_0: 15/04/28 08:28:17 INFO >>> ipc.AsyncClient: AsyncClient startup >>> attempt_201504280858_0001_000017_0: 15/04/28 08:28:21 ERROR >>> bsp.BSPTask: Error running bsp setup and bsp function. >>> attempt_201504280858_0001_000017_0: java.lang.IllegalStateException: >>> failed to create a child event loop >>> attempt_201504280858_0001_000017_0: at >>> io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:44) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:36) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncClient$Connection.<init>(AsyncClient.java:189) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncClient.getConnection(AsyncClient.java:989) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncClient.call(AsyncClient.java:838) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC$Invoker.invoke(AsyncRPC.java:261) >>> attempt_201504280858_0001_000017_0: at >>> com.sun.proxy.$Proxy14.getProtocolVersion(Unknown Source) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC.checkVersion(AsyncRPC.java:524) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC.getProxy(AsyncRPC.java:509) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC.getProxy(AsyncRPC.java:477) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC.getProxy(AsyncRPC.java:435) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.ipc.AsyncRPC.getProxy(AsyncRPC.java:545) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.message.HamaAsyncMessageManagerImpl.getBSPPeerConnection(HamaAsyncMessageManagerImpl.java:155) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.message.HamaAsyncMessageManagerImpl.transfer(HamaAsyncMessageManagerImpl.java:203) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.BSPPeerImpl.sendDirectly(BSPPeerImpl.java:382) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.BSPPeerImpl.send(BSPPeerImpl.java:364) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.graph.GraphJobRunner.loadVertices(GraphJobRunner.java:467) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.graph.GraphJobRunner.setup(GraphJobRunner.java:128) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.BSPTask.runBSP(BSPTask.java:170) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.BSPTask.run(BSPTask.java:144) >>> attempt_201504280858_0001_000017_0: at >>> org.apache.hama.bsp.GroomServer$BSPPeerChild.main(GroomServer.java:1255) >>> attempt_201504280858_0001_000017_0: Caused by: >>> io.netty.channel.ChannelException: failed to open a new selector >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64) >>> attempt_201504280858_0001_000017_0: ... 24 more >>> attempt_201504280858_0001_000017_0: Caused by: java.io.IOException: >>> Too many open files >>> attempt_201504280858_0001_000017_0: at sun.nio.ch.IOUtil.makePipe(Native >>> Method) >>> attempt_201504280858_0001_000017_0: at >>> sun.nio.ch.EPollSelectorImpl.<init>(EPollSelectorImpl.java:65) >>> attempt_201504280858_0001_000017_0: at >>> sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:36) >>> attempt_201504280858_0001_000017_0: at >>> io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126) >>> attempt_201504280858_0001_000017_0: ... 27 more >>> attempt_201504280858_0001_000017_0: 15/04/28 08:28:21 INFO >>> ipc.AsyncServer: AsyncServer gracefully shutdown >>> >>> >>> -- >>> Best Regards, Edward J. Yoon > > > > -- > Best Regards, Edward J. Yoon
-- Best Regards, Edward J. Yoon
