[
https://issues.apache.org/jira/browse/HDFS-14289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lisheng Sun resolved HDFS-14289.
--------------------------------
Resolution: Duplicate
> Unexpected message type: PooledUnsafeDirectByteBuf when get datanode info by
> DatanodeWebHdfsMethods
> ---------------------------------------------------------------------------------------------------
>
> Key: HDFS-14289
> URL: https://issues.apache.org/jira/browse/HDFS-14289
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, webhdfs
> Affects Versions: 2.7.0
> Reporter: Lisheng Sun
> Priority: Major
>
> DEBUG org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer: Proxy
> failed. Cause:
> com.xiaomi.infra.thirdparty.io.netty.handler.codec.EncoderException:
> java.lang.IllegalStateException: unexpected message type:
> PooledUnsafeDirectByteBuf
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:106)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.CombinedChannelDuplexHandler.write(CombinedChannelDuplexHandler.java:348)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723)
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.stream.ChunkedWriteHandler.doFlush(ChunkedWriteHandler.java:304)
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.stream.ChunkedWriteHandler.flush(ChunkedWriteHandler.java:137)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:776)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:802)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:814)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:794)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:831)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1051)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:300)
> at
> org.apache.hadoop.hdfs.server.datanode.web.SimpleHttpProxyHandler$Forwarder.channelRead(SimpleHttpProxyHandler.java:80)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1414)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:945)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:146)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)
> at
> com.xiaomi.infra.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:886)
> at
> com.xiaomi.infra.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.IllegalStateException: unexpected message type:
> PooledUnsafeDirectByteBuf
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.codec.http.HttpObjectEncoder.encode(HttpObjectEncoder.java:123)
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:88)
> ... 30 more
> 2018-12-04,14:23:28,690 DEBUG
> org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer: Proxy failed.
> Cause:
> java.nio.channels.ClosedChannelException
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.stream.ChunkedWriteHandler.discard(ChunkedWriteHandler.java:188)
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.stream.ChunkedWriteHandler.doFlush(ChunkedWriteHandler.java:198)
> at
> com.xiaomi.infra.thirdparty.io.netty.handler.stream.ChunkedWriteHandler.flush(ChunkedWriteHandler.java:137)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:776)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:802)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:814)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:794)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:831)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1051)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:300)
> at
> org.apache.hadoop.hdfs.server.datanode.web.SimpleHttpProxyHandler$Forwarder.channelRead(SimpleHttpProxyHandler.java:80)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1414)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:945)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:146)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:580)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:497)
> at
> com.xiaomi.infra.thirdparty.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459)
> at
> com.xiaomi.infra.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:886)
> at
> com.xiaomi.infra.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.lang.Thread.run(Thread.java:745)
> 2018-12-04,14:23:28,690 DEBUG org.mortbay.log: EOF
> Unexpected message type: PooledUnsafeDirectByteBuf when get datanode info by
> DatanodeWebHdfsMethods.
> Because no HttpRequestDecoder in InboundHandler of netty, appear unexpected
> message type when read message.
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