Support Questions
Find answers, ask questions, and share your expertise
Announcements
Alert: Welcome to the Unified Cloudera Community. Former HCC members be sure to read and learn how to activate your account here.

lost connection to peer

lost connection to peer

Explorer

Hi,

sometimes during querie executing we get below error

 

[New I/O worker #545] org.apache.kudu.client.Connection : [peer d2625dcb65a14d98a55b08821179eb53] lost connection to peer

java.nio.channels.ClosedChannelException: null
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.cleanUpWriteBuffer(AbstractNioWorker.java:433)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(AbstractNioWorker.java:373)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:58)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendDownstream(DefaultChannelPipeline.java:779)
at org.apache.kudu.shaded.org.jboss.netty.handler.codec.oneone.OneToOneEncoder.handleDownstream(OneToOneEncoder.java:54)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:591)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendDownstream(DefaultChannelPipeline.java:582)
at org.apache.kudu.shaded.org.jboss.netty.channel.Channels.close(Channels.java:812)
at org.apache.kudu.client.Connection.exceptionCaught(Connection.java:424)
at org.apache.kudu.shaded.org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:112)
at org.apache.kudu.client.Connection.handleUpstream(Connection.java:236)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.apache.kudu.shaded.org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.apache.kudu.shaded.org.jboss.netty.channel.Channels.fireExceptionCaught(Channels.java:536)
at org.apache.kudu.shaded.org.jboss.netty.handler.timeout.ReadTimeoutHandler.readTimedOut(ReadTimeoutHandler.java:236)
at org.apache.kudu.shaded.org.jboss.netty.handler.timeout.ReadTimeoutHandler$ReadTimeoutTask$1.run(ReadTimeoutHandler.java:276)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.ChannelRunnableWrapper.run(ChannelRunnableWrapper.java:40)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioSelector.processTaskQueue(AbstractNioSelector.java:391)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:315)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
at org.apache.kudu.shaded.org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
at org.apache.kudu.shaded.org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
at org.apache.kudu.shaded.org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

 

Do you have idea how can we solve this?