[jira] [Commented] (WHIRR-658) list-cluster could report "unknown cluster" when handed an unknown cluster name

["Steve Loughran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WHIRR-658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13457926#comment-13457926 ] 

Steve Loughran commented on WHIRR-658:
--------------------------------------

stack 
{code}

bin/whirr list-cluster --config services/hdp/conf/ec2-micro/cluster.properties --cluster-name test
Running on provider aws-ec2 using identity AKIAJNX24OYZ7QLYHXYA
Exception in thread "main" java.io.FileNotFoundException: /Users/stevel/.whirr/test/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:109)
	at com.google.common.io.Files$1.getInput(Files.java:106)
	at com.google.common.io.CharStreams$2.getInput(CharStreams.java:93)
	at com.google.common.io.CharStreams$2.getInput(CharStreams.java:90)
	at com.google.common.io.CharStreams.readLines(CharStreams.java:307)
	at com.google.common.io.Files.readLines(Files.java:543)
	at org.apache.whirr.state.FileClusterStateStore.load(FileClusterStateStore.java:55)
	at org.apache.whirr.ClusterController.getInstances(ClusterController.java:305)
	at org.apache.whirr.cli.command.ListClusterCommand.run(ListClusterCommand.java:79)
	at org.apache.whirr.cli.command.ListClusterCommand.run(ListClusterCommand.java:67)
	at org.apache.whirr.cli.Main.run(Main.java:69)
	at org.apache.whirr.cli.Main.main(Main.java:102)

{code}
                
> list-cluster could report "unknown cluster" when handed an unknown cluster name
> -------------------------------------------------------------------------------
>
>                 Key: WHIRR-658
>                 URL: https://issues.apache.org/jira/browse/WHIRR-658
>             Project: Whirr
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 0.9.0
>            Reporter: Steve Loughran
>
> when you give {{whirr list-cluster}} an unknown cluster name, you get a file not found exception and a stack trace. This could be replaced with a "cluster not known" message

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