2013-03-05 16:14:54,445 WARN org.apache.hadoop.hdfs.DomainSocketFactory: error creating DomainSocket java.net.ConnectException: connect(2) error: No such file or directory when trying to connect to '/var/run/hadoop-hdfs/dn.50010' at org.apache.hadoop.net.unix.DomainSocket.connect0(Native Method) at org.apache.hadoop.net.unix.DomainSocket.connect(DomainSocket.java:234) at org.apache.hadoop.hdfs.DomainSocketFactory.create(DomainSocketFactory.java:116) at org.apache.hadoop.hdfs.DFSInputStream.getBlockReader(DFSInputStream.java:947) at org.apache.hadoop.hdfs.DFSInputStream.fetchBlockByteRange(DFSInputStream.java:810) at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:1040) at org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:73) at org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1423) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1859) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1703) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:338) at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:254) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:480) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:501) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:145) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.enforceSeek(StoreFileScanner.java:351) at org.apache.hadoop.hbase.regionserver.KeyValueHeap.pollRealKV(KeyValueHeap.java:354) at org.apache.hadoop.hbase.regionserver.KeyValueHeap.(KeyValueHeap.java:80) at org.apache.hadoop.hbase.regionserver.StoreScanner.(StoreScanner.java:136) at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:1984) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.(HRegion.java:3509) at org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1689) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1681) at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1657) at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4369) at org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4343) at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2021) at org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3456) at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)