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https://issues.apache.org/jira/browse/FELIX-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14940829#comment-14940829
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Carsten Ziegeler commented on FELIX-3104:
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[~jsedding] Is this still a problem with the latest version?
> Registering/unregistering HttpService with CometdServiceImpl repeatedly
> causes ClassCastException
> -------------------------------------------------------------------------------------------------
>
> Key: FELIX-3104
> URL: https://issues.apache.org/jira/browse/FELIX-3104
> Project: Felix
> Issue Type: Bug
> Components: HTTP Service
> Affects Versions: http-2.2.0
> Reporter: Julian Sedding
> Assignee: Felix Meschberger
> Priority: Minor
> Attachments: FELIX-3104-fmeschbe.patch, FELIX-3104.patch
>
>
> CometdServiceImpl uses
> org.mortbay.cometd.continuation.ContinuationCometdServlet in its
> implementation, which in turn extends
> org.mortbay.cometd.AbstractCometdServlet. AbstractCometdServlet places a
> Bayeux object in a servlet context attribute in its init() method, but never
> cleans it up on destroy(). This can lead to a ClassCastException if the
> servlet's init() method is called repeatedly, and the ClassLoader used to
> create the object stored in the servlet context attribute is not the same
> that was used to load the AbstractCometdServlet class. However, this is what
> seems to happen if the cometd bundle is restarted (may only be the case with
> the patch from FELIX-3102 applied).
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