Github user yaooqinn commented on the pull request:
https://github.com/apache/spark/pull/9987#issuecomment-189095247
@vanzin
```scala
16/02/26 10:35:04 WARN TaskSetManager: Lost task 213.0 in stage 1.0 (TID
16971, SZV1000041645): FetchFailed(BlockManagerId(118, 192.168.75.193, 23325),
shuffleId=0, mapId=51, reduceId=213, message=
org.apache.spark.shuffle.FetchFailedException: java.lang.RuntimeException:
javax.security.sasl.SaslException: DIGEST-MD5: digest response format
violation. Mismatched nonce.
at
org.spark-project.guava.base.Throwables.propagate(Throwables.java:160)
at
org.apache.spark.network.sasl.SparkSaslServer.response(SparkSaslServer.java:121)
at
org.apache.spark.network.sasl.SaslRpcHandler.receive(SaslRpcHandler.java:100)
at
org.apache.spark.network.server.TransportRequestHandler.processRpcRequest(TransportRequestHandler.java:128)
at
org.apache.spark.network.server.TransportRequestHandler.handle(TransportRequestHandler.java:99)
at
org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:104)
at
org.apache.spark.network.server.TransportChannelHandler.channelRead0(TransportChannelHandler.java:51)
at
io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
at
io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:266)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
at
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
at
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
at
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
at java.lang.Thread.run(Thread.java:745)
```
When I test word count on a larger cluster(100 workers), these exception
occurs every time, but on a small cluster never?
Do you have any idea about this?
Thanks!
Kent
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