Yes, It works after changing to Google DNS. Thank you very much, Andrei Savu !

Best,
Huanchen

On Apr 15, 2012, at 3:41 AM, Andrei Savu wrote:

Make sure you can perform reverse dns queries from your network. You may need to change your dns servers. 

Try using Google DNS: https://developers.google.com/speed/public-dns/

-- Andrei Savu

On Sun, Apr 15, 2012 at 10:49 AM, Huanchen Zhang <iamzhanghc@gmail.com> wrote:
Hi,

Every time I'm trying to launch a cluster, I get the same errors as follows:

Running configure phase script on: us-east-1/i-b6f96dd1
Running configure phase script on: us-east-1/i-aaf96dcd
Unable to start the cluster. Terminating all nodes.
java.io.IOException: org.apache.whirr.net.DnsException: java.io.EOFException
       at org.apache.whirr.actions.ScriptBasedClusterAction.runScripts(ScriptBasedClusterAction.java:215)
       at org.apache.whirr.actions.ScriptBasedClusterAction.doAction(ScriptBasedClusterAction.java:128)
       at org.apache.whirr.actions.ScriptBasedClusterAction.execute(ScriptBasedClusterAction.java:107)
       at org.apache.whirr.ClusterController.launchCluster(ClusterController.java:109)
       at org.apache.whirr.cli.command.LaunchClusterCommand.run(LaunchClusterCommand.java:63)
       at org.apache.whirr.cli.Main.run(Main.java:64)
       at org.apache.whirr.cli.Main.main(Main.java:97)
Caused by: org.apache.whirr.net.DnsException: java.io.EOFException
       at org.apache.whirr.net.FastDnsResolver.apply(FastDnsResolver.java:83)
       at org.apache.whirr.net.FastDnsResolver.apply(FastDnsResolver.java:40)
       at org.apache.whirr.Cluster$Instance.getPrivateHostName(Cluster.java:123)
       at org.apache.whirr.service.jclouds.StatementBuilder$ConsolidatedStatement.render(StatementBuilder.java:86)
       at org.apache.whirr.actions.ScriptBasedClusterAction$2.call(ScriptBasedClusterAction.java:185)
       at org.apache.whirr.actions.ScriptBasedClusterAction$2.call(ScriptBasedClusterAction.java:178)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
       at java.lang.Thread.run(Thread.java:680)
Caused by: java.io.EOFException
       at org.xbill.DNS.TCPClient._recv(TCPClient.java:85)
       at org.xbill.DNS.TCPClient.recv(TCPClient.java:103)
       at org.xbill.DNS.TCPClient.sendrecv(TCPClient.java:120)
       at org.xbill.DNS.SimpleResolver.send(SimpleResolver.java:254)
       at org.xbill.DNS.ResolveThread.run(ResolveThread.java:37)
Unable to load cluster state, assuming it has no running nodes.
java.io.FileNotFoundException: /Users/huanchen/.whirr/hadoop/instances (No such file or directory)
       at java.io.FileInputStream.open(Native Method)
       at java.io.FileInputStream.<init>(FileInputStream.java:120)
       at com.google.common.io.Files$1.getInput(Files.java:100)
       at com.google.common.io.Files$1.getInput(Files.java:97)
       at com.google.common.io.CharStreams$2.getInput(CharStreams.java:91)
       at com.google.common.io.CharStreams$2.getInput(CharStreams.java:88)
       at com.google.common.io.CharStreams.readLines(CharStreams.java:306)
       at com.google.common.io.Files.readLines(Files.java:580)
       at org.apache.whirr.state.FileClusterStateStore.load(FileClusterStateStore.java:54)
       at org.apache.whirr.state.ClusterStateStore.tryLoadOrEmpty(ClusterStateStore.java:58)
       at org.apache.whirr.ClusterController.destroyCluster(ClusterController.java:143)
       at org.apache.whirr.ClusterController.launchCluster(ClusterController.java:118)
       at org.apache.whirr.cli.command.LaunchClusterCommand.run(LaunchClusterCommand.java:63)
       at org.apache.whirr.cli.Main.run(Main.java:64)
       at org.apache.whirr.cli.Main.main(Main.java:97)
Starting to run scripts on cluster for phase destroyinstances:
Starting to run scripts on cluster for phase destroyinstances:
Finished running destroy phase scripts on all cluster instances



Anyone has any idea? Thank you !

Best,
Huanchen