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https://issues.apache.org/jira/browse/WHIRR-117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12968731#action_12968731
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Adrian Cole commented on WHIRR-117:
-----------------------------------

+1 to the patch

My troubles were related to something different:

looks like a whirr version error in runurl on the remote host due to not 
previously running mvn install.  Do you think we could sanity check runurls 
before building against them?  ex. checkExists(url, "url must exist: "+url);  I 
can see in some cases this may be overbearing, so maybe even use assertions, so 
that in test cases we get the info?  assert head(url) : "url must be reachable: 
"+url; 

> Composable services
> -------------------
>
>                 Key: WHIRR-117
>                 URL: https://issues.apache.org/jira/browse/WHIRR-117
>             Project: Whirr
>          Issue Type: New Feature
>          Components: core
>            Reporter: Tom White
>            Assignee: Tom White
>             Fix For: 0.3.0
>
>         Attachments: WHIRR-117.patch, WHIRR-117.patch, WHIRR-117.patch, 
> WHIRR-117.patch
>
>
> The current design does not support composable services, so you can't, for 
> example, run ZooKeeper on the same cluster as Hadoop (a better example would 
> be running Flume agents on a Hadoop cluster). We should make it easy to do 
> this.

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