namenode is stopping automatically!! On Tue, Jun 23, 2009 at 10:29 PM, bharath vissapragada < bharathvissapragada1...@gmail.com> wrote:
> It worked fine when i updated /etc/hosts file (of all the slaves) and > writing fully qualified domain name in the hadoop-site.xml. > > It worked fine for sometime .. then started giving new error > > 09/06/23 22:21:49 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 0 time(s). > 09/06/23 22:21:50 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 1 time(s). > 09/06/23 22:21:51 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 2 time(s). > 09/06/23 22:21:52 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 3 time(s). > 09/06/23 22:21:53 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 4 time(s). > 09/06/23 22:21:54 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 5 time(s). > 09/06/23 22:21:55 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 6 time(s). > 09/06/23 22:21:56 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 7 time(s). > 09/06/23 22:21:57 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 8 time(s). > 09/06/23 22:21:58 INFO ipc.Client: Retrying connect to server: master/ > 10.2.24.21:54310. Already tried 9 time(s). > > > > On Tue, Jun 23, 2009 at 8:33 PM, Raghu Angadi <rang...@yahoo-inc.com>wrote: > >> Raghu Angadi wrote: >> >>> >>> This is at RPC client level and there is requirement for fully qualified >>> >> >> I meant to say "there is NO requirement ..." >> >> hostname. May be "." at the end of "10.2.24.21" causing the problem? >>> >>> btw, in 0.21 even fs.default.name does not need to be fully qualified >>> >> >> that fix is probably in 0.20 too. >> >> Raghu. >> >> >> name.. anything that resolves to an ipaddress is fine (at least for >>> common/FS and HDFS). >>> >>> Raghu. >>> >>> Matt Massie wrote: >>> >>>> fs.default.name in your hadoop-site.xml needs to be set to a >>>> fully-qualified domain name (instead of an IP address) >>>> >>>> -Matt >>>> >>>> On Jun 23, 2009, at 6:42 AM, bharath vissapragada wrote: >>>> >>>> when i try to execute the command bin/start-dfs.sh , i get the >>>>> following >>>>> error . I have checked the hadoop-site.xml file on all the nodes , and >>>>> they >>>>> are fine .. >>>>> can some-one help me out! >>>>> >>>>> 10.2.24.21: Exception in thread "main" java.net.UnknownHostException: >>>>> unknown host: 10.2.24.21. >>>>> 10.2.24.21: at >>>>> org.apache.hadoop.ipc.Client$Connection.<init>(Client.java:195) >>>>> 10.2.24.21: at >>>>> org.apache.hadoop.ipc.Client.getConnection(Client.java:779) >>>>> 10.2.24.21: at org.apache.hadoop.ipc.Client.call(Client.java:704) >>>>> 10.2.24.21: at >>>>> org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:216) >>>>> 10.2.24.21: at >>>>> org.apache.hadoop.dfs.$Proxy4.getProtocolVersion(Unknown >>>>> Source) >>>>> 10.2.24.21: at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:319) >>>>> 10.2.24.21: at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:306) >>>>> 10.2.24.21: at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:343) >>>>> 10.2.24.21: at >>>>> org.apache.hadoop.ipc.RPC.waitForProxy(RPC.java:288) >>>>> >>>> >>>> >>> >>> >> >
