Hi Mohit, HDFS is in safe mode which is read only mod. Run the following command to get out of safemode
bin/hadoop dfsadmin -safemode leave. On Thu, Mar 15, 2012 at 5:54 AM, Mohit Anchlia <mohitanch...@gmail.com>wrote: > When I run client to create files in amazon HDFS I get this error. Does > anyone know what it really means and how to resolve this? > > --- > > > 2012-03-14 23:16:21,414 INFO org.apache.hadoop.ipc.Server (IPC Server > handler 46 on 9000): IPC Server handler 46 on 9000, call > renewLease(DFSClient_977492582) from 10.70.150.119:47240: error: > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot renew > lease for DFSClient_977492582. Name node is in safe mode. > > The ratio of reported blocks 1.0000 has reached the threshold 0.9990. Safe > mode will be turned off automatically in 0 seconds. > > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot renew > lease for DFSClient_977492582. Name node is in safe mode. > > The ratio of reported blocks 1.0000 has reached the threshold 0.9990. Safe > mode will be turned off automatically in 0 seconds. > > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.renewLease(FSNamesystem.java:2296) > > at > > org.apache.hadoop.hdfs.server.namenode.NameNode.renewLease(NameNode.java:814) > > at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) > > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563) > > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388) > > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384) > > at java.security.AccessController.doPrivileged(Native Method) > > at javax.security.auth.Subject.doAs(Subject.java:396) > > at > > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059) > > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382) > -- https://github.com/zinnia-phatak-dev/Nectar
