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)
