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[jetty-dev] NextProtoNego and OSGi
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Greetings Jetty 9 developers,
I recently migrated my code-base to Jetty 9 (M5). The migration went
fine and HTTP works. However, I'm unable to create any SSL connectivity.
As soon as I try to use a HTTPSPDYServerConnector I get a mystical
NoClassDefFoundError: org/eclipse/jetty/npn/NextProtoNego$ServerProvider.
java.lang.NoClassDefFoundError:
org/eclipse/jetty/npn/NextProtoNego$ServerProvider
at java.lang.ClassLoader.defineClass1(Native Method)
at [more classloader stuff]
at
org.eclipse.jetty.spdy.server.http.HTTPSPDYServerConnector.<init>(HTTPSPDYServerConnector.java:63)
It seems to come from NPNServerConnectionFactory which is in bundle
oej.spdy.server.
While analysing the code involved I found the following code:
SPDYServerConnectionFactory.checkNPNAvailable()
NPNServerConnectionFactory.NPNServerConnectionFactory(String...)
Both lead to the suspicion that something should be on the boot classpath.
I also recognized the following bundle header in oej.spdy.server:
Ignore-Package: org.eclipse.jetty.npn
That's likely an issue. Even if a package is coming from the boot
classpath it still needs an Import-Package declaration in the bundle.
OSGi only makes "java.*" imports implicit.
Anyway, there doesn't seem to be a jar in the Jetty p2 repo.
Where can I find more information about this "NPN" stuff? For example,
I'd like to understand the requirement regarding the boot classpath in
order to come up with a solution for OSGi/p2 based deployments.
Thanks a lot!
-Gunnar
--
Gunnar Wagenknecht
gunnar@xxxxxxxxxxxxxxx
http://wagenknecht.org/