[jira] [Created] (KARAF-4272) Karaf freezes when a circular dependency is introduced where a features references itself over a chain of other features

["Roland Hauser (JIRA)" <ji...@apache.org>]

Roland Hauser created KARAF-4272:
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             Summary: Karaf freezes when a circular dependency is introduced where a features references itself over a chain of other features
                 Key: KARAF-4272
                 URL: https://issues.apache.org/jira/browse/KARAF-4272
             Project: Karaf
          Issue Type: Bug
          Components: karaf-feature
    Affects Versions: 4.0.4
            Reporter: Roland Hauser


Karaf freezes when a circular dependency is introduced where a features references itself over a chain of other features

I did some experiments with circular dependencies where a feature references itself indirectly over some other features. In this case it does not matter if attribute {{prerequisite}} is set or not. After command {{feature:install c-references-a}} Karaf freezes and must be restarted.
	
I would expect, that the feature:install command fails with an error message like this: 

"Feature com.foo.bar could not be installed because a circular reference:
 a-references-b
 	b-references-c
		c-references-a"

You can checkout a project which helps to reproduce the case from [https://github.com/SourcePond/reproduce-feature-circular-dependency.git] (Maven-Modules c-references-a and c-references-a-prerequisite-true). Simply install the root-project to have all necessary Maven dependencies.



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