Registering/unregistering HttpService with CometdServiceImpl repeatedly causes
ClassCastException
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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
Priority: Minor
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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