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From "Alexander Klimetschek (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FELIX-5410) Web console plugin for troubleshooting wiring issues
Date Thu, 01 Dec 2016 10:21:58 GMT

    [ https://issues.apache.org/jira/browse/FELIX-5410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15711567#comment-15711567
] 

Alexander Klimetschek commented on FELIX-5410:
----------------------------------------------

I turned this into a standalone plugin, working on it at https://github.com/alexkli/osgi-troubleshoot

Under the Apache License. I still would like to contribute this to Apache Felix when it's
in a good state.

> Web console plugin for troubleshooting wiring issues
> ----------------------------------------------------
>
>                 Key: FELIX-5410
>                 URL: https://issues.apache.org/jira/browse/FELIX-5410
>             Project: Felix
>          Issue Type: New Feature
>          Components: Web Console
>            Reporter: Alexander Klimetschek
>         Attachments: FELIX-5410-with-services.patch, FELIX-5410.patch, webconsole-troubleshoot-services.png,
webconsole-troubleshoot.png
>
>
> h4. Feature
> Add a new view/plugin to the standard webconsole that helps to pin point which bundles,
services or components are the true source for inactive bundles or services.
> * For *bundles* the underlying assumption would be a healthy system with all bundles
active, and thus any inactive can be shown and analyzed as being problematic.
> * For *services/components* one can look at inactive _immediate_ services that fail because
of unsatisfied references. For others, the user might need to enter the "problematic" service
or component they expect to be running to start the analysis.
> h4. Motivation
> In a larger OSGi application with many bundles and components, it can be difficult to
find out the root cause why certain bundles do not start or why a service is not active, especially
for folks new to OSGi or with limited knowledge about the application. I have seen many people
fail, and thus "not like" OSGi because of such hurdles during development, where it is easy
to update on bundle but miss out on crucial dependencies.
> Figuring out is possible through the current web console, but only for experts, if you
click through the bundle or service details. This is usually tedious work, if for example
a lower level bundle is the problem, and 200 others are not active because of it.



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