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Re: [equinox-dev] jetty 6 osgi support
- From: Simon Kaegi <Simon_Kaegi@xxxxxxxxxx>
- Date: Mon, 23 Jul 2007 16:44:08 -0400
- Delivered-to: email@example.com
> - I see that in the current jetty 5 integration you do not directly
> create instances of HttpServiceServlet, but uses a internal delegate
> that takes care of saving and restoring the current classloader for
> each servlet invocation. Why is this needed?
Jetty sets the context class loader on each request to match the class
loader of the Servlet. In this case it's the HttpServiceServlet's
classloader e.g. the Bundle loader for org.eclipse.equinox.http.servlet. We
want to avoid leaking implementation details via the TCCL so we reset it to
the framework default -- generally ContextFinder. I suspect this will still
need to be done with Jetty 6.1.
> - Also the current jetty 5 integration implements a
> ManagedServiceFactory from the Config Admin service, should I also
> implement it? How this service is used in equinox/eclipse?
Yes please :)
The ConfigAdmin approach is shared with JettyConfigurator which is the
primary means used by the SDK to configure and launch the http service.
> - there are mixed version numbers from the bundles that import
> javax.servlet: org.eclipse.equinox.http.servlet declares version [2.
> 3.0], the current jetty 5 integration declares imports for version
> [2.4.0] and the new jetty 6 jars depends on version [2.5.0] and
> supply another javax.servlet version. How is the best way to deal with
Jetty 6 should probably be [2.5, 3.0)
I'm not 100% sure on the Execution Environment but we should validate with
org.eclipse.equinox.http.servlet can support a range of Servlet API
versions and already knows how to support 2.5.
e.g. you can leave it alone.
> Simon Kaegi wrote:
> > Hi Gustavo,
> >> Starting from release 6.1.5 Jetty jars will ship with OSGI manifests.
> > That's great news.
> >> I'm willing to integrate that with org.eclipse.equinox.http.jetty, but
> > That would be appreciated. Please open an enhancement request and
> > your patches
> > for a starting point you might want to look at an integration with
> > from a while back here -
> > https://bugs.eclipse.org/bugs/show_bug.cgi?id=132555
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