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https://issues.apache.org/jira/browse/KARAF-6210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17318768#comment-17318768
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Amichai Rothman commented on KARAF-6210:
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The original report has exact steps to reproduce, they are quite
straightforward. Every race condition issue may be difficult to recreate, but
the issue is certainly real and still open - happens to more than one user,
over multiple releases, using stock karaf and a single apache aries bundle as
an example - as stated, this can happen with other bundles as well, but that's
one example that certainly triggered it. Also added the karaf log before, and
the exact machine specs (again as an example - this happened on more than one
machine, and on both Windows and Linux, so I doubt it's related to anything at
a lower level). What other info is needed?
> NoClassDefFoundError: org/apache/karaf/shell/api/action/Action when starting
> Karaf
> ----------------------------------------------------------------------------------
>
> Key: KARAF-6210
> URL: https://issues.apache.org/jira/browse/KARAF-6210
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.2.4
> Environment: Stock Karaf 4.2.4 on Windows 10 with latest Oracle JDK 8.
> Reporter: Amichai Rothman
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Attachments: karaf_command_not_found.log
>
>
> When starting karaf using equinox and some bundle in the deploy folder, many
> shell commands (such as bundle:* and others) are not recognized, and the log
> shows NoClassDefFoundError: org/apache/karaf/shell/api/action/Action. Some
> commands don't work, but others (e.g. shell:*) do.
> This happens consistently on Windows 10, but not on Linux, not sure why.
>
> Steps to recreate:
> 1. Extract stock Karaf 4.2.4.
> 2. In etc/config.properties change karaf.framework=felix to
> karaf.framework=equinox.
> 3. Place org.apache.aries.transaction.blueprint-2.2.0.jar (from maven) in
> deploy folder. This is not the only bundle it happens with, just a public one
> I found for this example. From several I tried, some recreated the issue and
> some did not. The bundle is not resolved due to missing dependencies.
> 4. Start Karaf.
> 5. Try to run bundle:list and it'll say command not found. Or look at the
> karaf log and see "java.lang.NoClassDefFoundError:
> org/apache/karaf/shell/api/action/Action". Use shell completion to see that
> some commands are available but others are not.
>
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