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Posted to mapreduce-user@hadoop.apache.org by "S. Zhou" <my...@yahoo.com> on 2014/06/06 19:08:25 UTC

Hadoop exception: DFSInputStream.java: - Error making BlockReader. Closing stale NioInetPeer

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)