Improve error message if whirr.instance-templates left out of config
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Key: WHIRR-216
URL: https://issues.apache.org/jira/browse/WHIRR-216
Project: Whirr
Issue Type: Improvement
Components: cli
Affects Versions: 0.3.0
Reporter: Johan Oskarsson
Priority: Trivial
When launching a cluster without whirr.instance-templates specified in the
config file used the following error message appears. It could be made more
user friendly.
bin/whirr launch-cluster --config ~/cassandra.properties
Bootstrapping cluster
Exception in thread "main" java.lang.IndexOutOfBoundsException: index (0) must
be less than size (0)
at
com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:301)
at
com.google.common.base.Preconditions.checkElementIndex(Preconditions.java:280)
at com.google.common.collect.Iterables.get(Iterables.java:610)
at
org.apache.whirr.cluster.actions.ScriptBasedClusterAction.execute(ScriptBasedClusterAction.java:77)
at org.apache.whirr.service.Service.launchCluster(Service.java:71)
at
org.apache.whirr.cli.command.LaunchClusterCommand.run(LaunchClusterCommand.java:61)
at org.apache.whirr.cli.Main.run(Main.java:65)
at org.apache.whirr.cli.Main.main(Main.java:91)
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