Lisheng Sun created HDFS-14290:
----------------------------------
Summary: Unexpected message type: PooledUnsafeDirectByteBuf when
get datanode info by DatanodeWebHdfsMethods
Key: HDFS-14290
URL: https://issues.apache.org/jira/browse/HDFS-14290
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode, webhdfs
Affects Versions: 2.7.0
Reporter: Lisheng Sun
The issue is there is no HttpRequestDecoder in InboundHandler of netty, appear
unexpected message type when read message.
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.
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