[jira] [Updated] (SHINDIG-1877) FeatureRegistry can't handle dependency loop correctly.

["Ryan Baxter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SHINDIG-1877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan Baxter updated SHINDIG-1877:
---------------------------------

    Fix Version/s: 2.5.0-beta6
    
> FeatureRegistry can't handle dependency loop correctly.
> -------------------------------------------------------
>
>                 Key: SHINDIG-1877
>                 URL: https://issues.apache.org/jira/browse/SHINDIG-1877
>             Project: Shindig
>          Issue Type: Bug
>          Components: Java
>    Affects Versions: 2.5.0-beta4
>            Reporter: GuoJiaqing
>            Priority: Minor
>             Fix For: 2.5.0, 2.5.0-beta6
>
>
> I create some customized features (for example, feature A, feature B and feature C) and want to register them into shindig. But by mistake, there is dependency loop problem in these features (it means, for example feature A depends on feature B, feature B depends on feature C and feature C depends on feature A).
> When starts server, I found shindig can't be started and there is not any error message/log which could tell me what happened. 
> After some research,  I found this is because FeatureRegistry can't handle dependency loop correctly when it tries to complete dependency node graph for loaded feature node. If there is dependency loop in the loaded features, the process will be in dead loop without any error message/log.
> So, I create a patch to resolve this problem. FeatureRegistry should do dependency loop check before completing dependency node graph for every feature node.

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