Yes, using resolution:=optional is the right approach here. Best regards,
David On 12 April 2014 00:35, Jan Bartel <[email protected]> wrote: > Someone has pointed out that the resolution:=optional attribute solves > my problem. > > thanks > Jan > > On 11 April 2014 17:58, Jan Bartel <[email protected]> wrote: >> Hi, >> >> I've just started using SpiFly with Jetty in order to support the >> Servlet Spec requirement to find ServletContainerInitializer impls via >> the ServiceLoader mechanism. >> >> I've configured the manifest of the jetty-annotations bundle that >> calls the ServiceLoader as suggested in the SpiFly doco: >> >> <Require-Capability>osgi. >> serviceloader; >> filter:="(osgi.serviceloader=javax.servlet.ServletContainerInitializer)";cardinality:=multiple, >> osgi.extender; >> filter:="(osgi.extender=osgi.serviceloader.processor)"</Require-Capability> >> >> Everything works as expected if there is indeed another bundle that >> has the correct <Provide-Capability> header to advertise the presence >> of a ServletContainerInitializer. >> >> However, if there are no such bundles, the jetty-annotations bundle >> does not deploy fully, complaining that there is a missing >> requirement: >> >> Missing required capability Require-Capability: osgi.serviceloader; >> filter = "(osgi.serviceloader = >> javax.servlet.ServletContainerInitializer)". >> >> It is NOT a requirement of Jetty nor the Servlet Spec that there are >> any ServletContainerInitializers - the jetty-annotations module when >> running outside of osgi runs happily if the ServiceLoader reports no >> instances. >> >> My question is: is there a way to achieve the same behaviour >> (optionality of any ServletContainerIntializers) in osgi? I was >> hoping that the "cardinality:=multiple" attribute would have the >> effect I want, but apparently not. >> >> thanks for any advice, >> Jan >> >> >> Jan Bartel <[email protected]> >> www.webtide.com >> 'Expert Jetty/CometD developer,production,operations advice' > > > > -- > Jan Bartel <[email protected]> > www.webtide.com > 'Expert Jetty/CometD developer,production,operations advice'
