[ 
https://issues.apache.org/jira/browse/HDDS-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16465423#comment-16465423
 ] 

Mukul Kumar Singh commented on HDDS-19:
---------------------------------------

I tried running Ozone with the latest patch and the datanode is throwing the 
following exception.
{code}
06, 2018 11:03:14 PM org.apache.ratis.shaded.io.grpc.netty.NettyServerTransport 
notifyTerminated
INFO: Transport failed
java.lang.NoSuchFieldError: CONTEXT_SPAN_KEY
        at 
org.apache.ratis.shaded.io.grpc.internal.CensusTracingModule$ServerTracer.filterContext(CensusTracingModule.java:340)
        at 
org.apache.ratis.shaded.io.grpc.internal.StatsTraceContext.serverFilterContext(StatsTraceContext.java:121)
        at 
org.apache.ratis.shaded.io.grpc.internal.ServerImpl$ServerTransportListenerImpl.createContext(ServerImpl.java:482)
        at 
org.apache.ratis.shaded.io.grpc.internal.ServerImpl$ServerTransportListenerImpl.streamCreated(ServerImpl.java:416)
        at 
org.apache.ratis.shaded.io.grpc.netty.NettyServerHandler.onHeadersRead(NettyServerHandler.java:455)
        at 
org.apache.ratis.shaded.io.grpc.netty.NettyServerHandler.access$800(NettyServerHandler.java:98)
        at 
org.apache.ratis.shaded.io.grpc.netty.NettyServerHandler$FrameListener.onHeadersRead(NettyServerHandler.java:752)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder$FrameReadListener.onHeadersRead(DefaultHttp2ConnectionDecoder.java:321)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder$PrefaceFrameListener.onHeadersRead(DefaultHttp2ConnectionDecoder.java:605)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2InboundFrameLogger$1.onHeadersRead(Http2InboundFrameLogger.java:65)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2FrameReader$1.processFragment(DefaultHttp2FrameReader.java:457)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2FrameReader.readHeadersFrame(DefaultHttp2FrameReader.java:464)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2FrameReader.processPayloadState(DefaultHttp2FrameReader.java:254)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2FrameReader.readFrame(DefaultHttp2FrameReader.java:160)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2InboundFrameLogger.readFrame(Http2InboundFrameLogger.java:41)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder.decodeFrame(DefaultHttp2ConnectionDecoder.java:118)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2ConnectionHandler$FrameDecoder.decode(Http2ConnectionHandler.java:388)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2ConnectionHandler$PrefaceDecoder.decode(Http2ConnectionHandler.java:254)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2ConnectionHandler.decode(Http2ConnectionHandler.java:448)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428)
        at 
org.apache.ratis.shaded.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265)
        at 
org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at 
org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at 
org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
        at 
org.apache.ratis.shaded.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1359)
        at 
org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at 
org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at 
org.apache.ratis.shaded.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:935)
        at 
org.apache.ratis.shaded.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:138)
        at 
org.apache.ratis.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645)
        at 
org.apache.ratis.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
        at 
org.apache.ratis.shaded.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)
        at 
org.apache.ratis.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)
        at 
org.apache.ratis.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at 
org.apache.ratis.shaded.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
        at java.lang.Thread.run(Thread.java:745)
{code}


> Ozone: Update ozone to latest ratis snapshot build 
> (0.1.1-alpha-4309324-SNAPSHOT)
> ---------------------------------------------------------------------------------
>
>                 Key: HDDS-19
>                 URL: https://issues.apache.org/jira/browse/HDDS-19
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Lokesh Jain
>            Assignee: Lokesh Jain
>            Priority: Major
>         Attachments: HDDS-19.001.patch, HDFS-13456-HDFS-7240.001.patch, 
> HDFS-13456-HDFS-7240.002.patch
>
>




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