The following command will switch off safemode. ./hadoop dfsadmin -safemode leave
On Thu, Aug 5, 2010 at 12:02 AM, Ahmad Shahzad <ashahz...@gmail.com> wrote: > Hi ALL, > I am getting this error in JobTracker's log file. But when i > format my namenode the error doesnt comes. But i can run hadoop only once. > If i run it the second time the same error comes. Any clues?? > Also, i have put nothing in HDFS right now. I just start all the processes > and the error comes. > > INFO org.apache.hadoop.mapred.JobTracker: problem cleaning system > directory: > hdfs://localhost:54310/usr/local/hadoop-datastore/hadoop-hadoop/m$ > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete > /usr/local/hadoop-datastore/hadoop-hadoop/mapred/system$ > The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. > Safe mode will be turned off automatically. > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:1700) > at > > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:1680) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.delete(NameNode.java:517) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953) > > at org.apache.hadoop.ipc.Client.call(Client.java:740) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:221) > at $Proxy4.delete(Unknown Source) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > > Ahmad > -- ~Rajesh.B