hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From maha <m...@umail.ucsb.edu>
Subject Re: Retrying connect to server
Date Thu, 30 Dec 2010 18:38:46 GMT
Hi Cavus,

   Please check that hadoop JobTracker and other daemons are running by typing "jps". If you
see one of (JobTracker,TaskTracker,namenode,datanode) missing then you need to 'stop-all'
then format the namenode and start-all again. 

 Maha

On Dec 30, 2010, at 7:52 AM, Cavus,M.,Fa. Post Direkt wrote:

> I process this
> 
> ./hadoop jar ../../hadoopjar/hd.jar org.postdirekt.hadoop.WordCount gutenberg gutenberg-output
> 
> I get this
> Dıd anyone know why I get this Error?
> 
> 10/12/30 16:48:59 INFO security.Groups: Group mapping impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
cacheTimeout=300000
> 10/12/30 16:49:01 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 0 time(s).
> 10/12/30 16:49:02 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 1 time(s).
> 10/12/30 16:49:03 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 2 time(s).
> 10/12/30 16:49:04 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 3 time(s).
> 10/12/30 16:49:05 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 4 time(s).
> 10/12/30 16:49:06 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 5 time(s).
> 10/12/30 16:49:07 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 6 time(s).
> 10/12/30 16:49:08 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 7 time(s).
> 10/12/30 16:49:09 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 8 time(s).
> 10/12/30 16:49:10 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9001.
Already tried 9 time(s).
> Exception in thread "main" java.net.ConnectException: Call to localhost/127.0.0.1:9001
failed on connection exception: java.net.ConnectException: Connection refused
> 	at org.apache.hadoop.ipc.Client.wrapException(Client.java:932)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:908)
> 	at org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:198)
> 	at $Proxy0.getProtocolVersion(Unknown Source)
> 	at org.apache.hadoop.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:228)
> 	at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:224)
> 	at org.apache.hadoop.mapreduce.Cluster.createRPCProxy(Cluster.java:82)
> 	at org.apache.hadoop.mapreduce.Cluster.createClient(Cluster.java:94)
> 	at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:70)
> 	at org.apache.hadoop.mapreduce.Job.<init>(Job.java:129)
> 	at org.apache.hadoop.mapreduce.Job.<init>(Job.java:134)
> 	at org.postdirekt.hadoop.WordCount.main(WordCount.java:19)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:192)
> Caused by: java.net.ConnectException: Connection refused
> 	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> 	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
> 	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> 	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:373)
> 	at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:417)
> 	at org.apache.hadoop.ipc.Client$Connection.access$1900(Client.java:207)
> 	at org.apache.hadoop.ipc.Client.getConnection(Client.java:1025)
> 	at org.apache.hadoop.ipc.Client.call(Client.java:885)
> 	... 15 more


Mime
View raw message