https://community.cloudera.com/t5/Support-Questions/Unable-to-create-new-block/m-p/104509#M67406 <P>I am trying to put one small file in newly created cluster and it gives me error </P><P>java.io.IOException: Unable to create new block. at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1284)</P><P><STRONG>Detailed error is </STRONG></P><PRE>[WARN ]: org.apache.hadoop.util.NativeCodeLoader - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Exception in component tHDFSPut_1 java.net.ConnectException: Connection timed out: no further information [WARN ]: org.apache.hadoop.hdfs.DFSClient - DataStreamer Exception java.io.IOException: Unable to create new block. at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1284) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:464) [WARN ]: org.apache.hadoop.hdfs.DFSClient - Could not get block locations. Source file "/tmp/swapnil/Info.txt" - Aborting... at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531) at org.apache.hadoop.hdfs.DFSOutputStream.createSocketForPipeline(DFSOutputStream.java:1577) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.createBlockOutputStream(DFSOutputStream.java:1318) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1271) at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:464)</PRE> Wed, 02 Mar 2016 02:09:58 GMT swapnilspra 2016-03-02T02:09:58Z