I did this prav...@praveen-desktop:~/hadoop/hadoop-0.20.2$ bin/hadoop dfsadmin -safemode leave Safe mode is OFF prav...@praveen-desktop:~/hadoop/hadoop-0.20.2$ bin/hadoop dfsadmin -safemode get Safe mode is OFF and then I restarted my cluster and still I see the INFO in namenode logs saying in safemode..
somehow I am getting my Map output fine, but the job.isSuccessful() is returning false. Any help on that. Thanks + Praveen On Thu, Dec 9, 2010 at 9:28 PM, Mahadev Konar <[email protected]> wrote: > Hi Praveen, > Looks like its your namenode that's still in safemode. > > > http://wiki.apache.org/hadoop/FAQ > > The safemode feature in the namenode waits till a certain number of > threshold for hdfs blocks have been reported by the datanodes, before > letting clients making edits to the namespace. It usually happens when you > reboot your namenode. You can read more about the safemode in the above FAQ. > > Thanks > mahadev > > > On 12/9/10 6:09 PM, "Praveen Bathala" <[email protected]> wrote: > > Hi, > > I am running Mapreduce job to get some emails out of a huge text file. > I used to use hadoop 0.19 version and I had no issues, now I am using the > hadoop 0.20.2 and when I run my hadoop mapreduce job I see the log as job > failed and in the jobtracker log > > Can someone please help me.. > > 2010-12-09 20:53:00,399 INFO org.apache.hadoop.mapred.JobTracker: problem > cleaning system directory: > hdfs://localhost:9000/home/praveen/hadoop/temp/mapred/system > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete > /home/praveen/hadoop/temp/mapred/system. Name node is in safe mode. > 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:220) > at $Proxy4.delete(Unknown Source) > 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.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82) > at > > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59) > at $Proxy4.delete(Unknown Source) > at org.apache.hadoop.hdfs.DFSClient.delete(DFSClient.java:582) > at > > org.apache.hadoop.hdfs.DistributedFileSystem.delete(DistributedFileSystem.java:227) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1695) > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:183) > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:175) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:3702) > 2010-12-09 20:53:10,405 INFO org.apache.hadoop.mapred.JobTracker: Cleaning > up the system directory > 2010-12-09 20:53:10,409 INFO org.apache.hadoop.mapred.JobTracker: problem > cleaning system directory: > hdfs://localhost:9000/home/praveen/hadoop/temp/mapred/system > > > Thanks in advance > + Praveen > > -- + Praveen
