opentsdb启动出现 RegionClient: Unexpected exception from downstream on ,请问有人碰到过

ent$ZKClient@59e5ddf
2018-07-11 10:25:39,285 INFO [AsyncHBase Timer HBaseClient #1] HBaseClient: Need to find the .META. region
2018-07-11 10:25:39,285 INFO [AsyncHBase Timer HBaseClient #1-SendThread(pc-zjqbfn235.zj.chinamobile.com:2181)] ClientCnxn: Opening socket connection to server pc-zjqbfn235.zj.chinamobile.com/10.70.56.83:2181. Will not attempt to authenticate using SASL (unknown error)
2018-07-11 10:25:39,286 INFO [AsyncHBase Timer HBaseClient #1-SendThread(pc-zjqbfn235.zj.chinamobile.com:2181)] ClientCnxn: Socket connection established to pc-zjqbfn235.zj.chinamobile.com/10.70.56.83:2181, initiating session
2018-07-11 10:25:39,289 INFO [AsyncHBase Timer HBaseClient #1-SendThread(pc-zjqbfn235.zj.chinamobile.com:2181)] ClientCnxn: Session establishment complete on server pc-zjqbfn235.zj.chinamobile.com/10.70.56.83:2181, sessionid = 0x462dd353e7c5821, negotiated timeout = 5000
2018-07-11 10:25:39,290 INFO [AsyncHBase Timer HBaseClient #1-EventThread] HBaseClient: Resolved IP address for host: pc-zjqbfn405.zj.chinamobile.com is: 10.70.56.253
2018-07-11 10:25:39,291 INFO [AsyncHBase Timer HBaseClient #1-EventThread] HBaseClient: Connecting to .META. region @ 10.70.56.253:60020
2018-07-11 10:25:39,293 INFO [AsyncHBase Timer HBaseClient #1-EventThread] ZooKeeper: Session: 0x462dd353e7c5821 closed
2018-07-11 10:25:39,293 INFO [AsyncHBase Timer HBaseClient #1-EventThread] ClientCnxn: EventThread shut down
2018-07-11 10:25:39,294 ERROR [AsyncHBase I/O Worker #10] RegionClient: Unexpected exception from downstream on [id: 0x0c16e2a5, /10.70.57.18:33426 => /10.70.56.253:60020]
java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[na:1.8.0_131]
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[na:1.8.0_131]
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[na:1.8.0_131]
at sun.nio.ch.IOUtil.write(IOUtil.java:51) ~[na:1.8.0_131]
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) ~[na:1.8.0_131]
at org.jboss.netty.channel.socket.nio.SocketSendBufferPool$UnpooledSendBuffer.transferTo(SocketSendBufferPool.java:203) ~[netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.write0(AbstractNioWorker.java:201) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.writeFromUserCode(AbstractNioWorker.java:146) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:84) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:779) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.SimpleChannelHandler.writeRequested(SimpleChannelHandler.java:292) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.SimpleChannelHandler.handleDownstream(SimpleChannelHandler.java:254) [netty-3.10.6.Final.jar:na]
at org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591) [netty-3.10.6.Final.jar:na]
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