Ted Yu created HDFS-13515:
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Summary: NetUtils#connect should log remote address for
NoRouteToHostException
Key: HDFS-13515
URL: https://issues.apache.org/jira/browse/HDFS-13515
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ted Yu
{code}
hdfs.BlockReaderFactory: I/O error constructing remote block reader.
java.net.NoRouteToHostException: No route to host
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
at org.apache.hadoop.hdfs.DFSClient.newConnectedPeer(DFSClient.java:2884)
{code}
In the above stack trace, the remote host was not logged.
This makes troubleshooting a bit hard.
NetUtils#connect should log remote address for NoRouteToHostException .
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