Re: [jetty-users] Question about ALPN when embedding Jetty inside an OSG

[Joakim Erdfelt <joakim@xxxxxxxxxxx>]

For OSGi you must (as in not optional) include a java ServiceLoader provider for your OSGi environment.

The most common is Apache SpiFly.

This is the most common reason for various things in Jetty not working in OSGi. (typically it's one of the following the ALPNProcessors, WebSocket, Precomputed Headers Impls, WebApp Configurations)

Joakim Erdfelt / joakim@xxxxxxxxxxx

On Fri, Dec 29, 2023 at 11:46 AM Silvio Bierman via jetty-users <jetty-users@xxxxxxxxxxx> wrote:

I have Jetty 12.0.5 embedded inside an OSGi bundle with all dependencies
embedded. Jetty starts normally and I can get it working with a HTTP
listener. But when I add the code to add HTTPS support I get an error at
startup:

java.lang.IllegalStateException: No Server ALPNProcessors!

The jetty-alpn-server and jetty-alpn-java-server artifacts are included
in the bundle JAR as embedded dependency but the ALPN processor still
can not be found, probably because the OSGi class loader is incompatible
with how the search for ALPN processors works.

Does anyone know how I can resolve this?

Cheers,

Silvio

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