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From "S. Zhou" <myx...@yahoo.com>
Subject Hadoop exception: DFSInputStream.java: - Error making BlockReader. Closing stale NioInetPeer
Date Fri, 06 Jun 2014 17:08:25 GMT
The exception happens on hadoop 2.2 version. The whole error message is shown below. Notice
that the level is DEBUG. Not sure if such exception is serious.

=2014-06-05 14:39:31,135 DEBUG [pool-1-thread-1] (DFSInputStream.java:1095) - Error making
BlockReader. Closing stale NioInetPeer(Socket[addr=/XX.XX.XX.XX,port=50010,localport=45112])
java.io.EOFException: Premature EOF: no length prefix available
        at org.apache.hadoop.hdfs.protocolPB.PBHelper.vintPrefixed(PBHelper.java:1492)
        at org.apache.hadoop.hdfs.RemoteBlockReader2.newBlockReader(RemoteBlockReader2.java:392)
        at org.apache.hadoop.hdfs.BlockReaderFactory.newBlockReader(BlockReaderFactory.java:131)
        at org.apache.hadoop.hdfs.DFSInputStream.getBlockReader(DFSInputStream.java:1088)
        at org.apache.hadoop.hdfs.DFSInputStream.blockSeekTo(DFSInputStream.java:533)
        at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:749)
        at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:793)
        at java.io.DataInputStream.read(DataInputStream.java:149)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
        at java.io.InputStreamReader.read(InputStreamReader.java:184)
        at java.io.BufferedReader.fill(BufferedReader.java:154)
        at java.io.BufferedReader.readLine(BufferedReader.java:317)
        at java.io.BufferedReader.readLine(BufferedReader.java:382)
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