> I think the com.sun.* classes will work with OpenJDK (at least the JMX
> exporter works fine when using OpenJDK)
>
> As to whether it will work with other JVMs is another question. Is this
> part of the code we are forking anyways? I assume since we need to make
> other modifications here to support https, we might as well update this
> section as well.


We are using it in our forked class here:

https://github.com/jmazzitelli/hawkular-agent/blob/remove-h-metrics/hawkular-agent-core/src/main/java/org/hawkular/agent/monitor/prometheus/WebServer.java#L47

Unfortunately, the way they coded up this class, it can't be subclasses and overridden. We'd have to write our own and integrate the jmx exporter stuff ourselves. Means we'll be writing a bit more code, but, yeah, once we start implementing the https stuff, we can do it all at once.

>
> On Fri, Oct 27, 2017 at 4:26 AM, Heiko Rupp <hrupp@redhat.com> wrote:
>
> > That package is indeed problematic. And may be even more so in the future
> > on JDK9+ with the module system, where modules like this may be totally
> > encapsulated away.
> >
> > On Fri, Oct 27, 2017 at 5:07 AM, John Mazzitelli <mazz@redhat.com> wrote:
> >
> >> Take a look at Prometheus's HTTPServer class:
> >>
> >> https://github.com/prometheus/client_java/blob/master/simple
> >> client_httpserver/src/main/java/io/prometheus/client/
> >> exporter/HTTPServer.java#L22-L24
> >>
> >> This Prometheus HTTPServer class is what jmx exporter uses for its
> >> metrics endpoint - see:
> >>
> >> https://github.com/prometheus/jmx_exporter/blob/master/jmx_p
> >> rometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java#L8
> >> https://github.com/prometheus/jmx_exporter/blob/master/jmx_p
> >> rometheus_httpserver/src/main/java/io/prometheus/jmx/WebServer.java#L7
> >>
> >> Since it uses com.sun.net.httpserver classes under the covers, I'll
> >> assume this rules out support for, say, IBM's JVM (does IBM's JRE
> >> implement
> >> these?). I think this is available on OpenJDK but didn't check to make
> >> 100%
> >> sure.
> >> _______________________________________________
> >> hawkular-dev mailing list
> >> hawkular-dev@lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/hawkular-dev
> >>
> >
> >
> >
> > --
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> >
> >
>

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