Hi Richard,
not sure if this issue is still open for you, but what I observed in a
similar case is, that if there are two servlets with the same name in the
same context, this leads to one of them not being registered.
As the default name for your servlet would be javax.servlet.Servlet this
might cause your observed behavior.
In my case I solved this, by explicitly naming all my Servlets
via @HttpWhiteboardServletName("my-unique-name")
Hope that helps.
Kind regards,
Thomas
Am Di., 16. Aug. 2022 um 12:50 Uhr schrieb Grzegorz Grzybek <
gr.grzy...@gmail.com>:
> Hello
>
> If you set DEBUG logging level for org.ops4j.pax.web logger, you should
> see A LOT of information about how servlets are discovered and registered
> into the runtime. Without the logs, I can't tell much - especially if (as
> you've mentioned) it's sporadic problem...
>
> regards
> Grzegorz Grzybek
>
> pon., 8 sie 2022 o 08:23 Richard Hierlmeier <rhierlme...@googlemail.com>
> napisał(a):
>
>>
>> I upgraded last week a system to Karaf 4.4.1. I have a sporadic problem
>> with this system.
>>
>> The system contains a small bundle with this default servlet:
>>
>> @Component(service = Servlet.class, scope = ServiceScope.PROTOTYPE)
>> @HttpWhiteboardServletPattern("/")
>> @HttpWhiteboardContextSelect("(osgi.http.whiteboard.context.path=/)")
>> public class RootServlet extends HttpServlet {
>>
>> @Override
>> protected void doGet(final HttpServletRequest req, final
>> HttpServletResponse resp)
>> throws ServletException, IOException {
>> resp.sendRedirect("/welcome/welcome.html");
>> }
>> }
>>
>> However sometimes after the start of Karaf the bundle is active but this
>> servlet is not available:
>>
>> de@root()> la -u | grep web-root
>> 37 | Active | 80 | 1.0.0.SNAPSHOT |
>> mvn:de.hierlmeier.testPaxWeb8/web-root/1.0.0-SNAPSHOT
>>
>> de@root()> ls javax.servlet.Servlet
>> [javax.servlet.Servlet]
>> -----------------------
>> component.id = 20
>> component.name = de.hierlmeier.testPaxWeb8.webRoot.RootServlet
>> osgi.ds.satisfying.condition.target = (osgi.condition.id=true)
>> osgi.http.whiteboard.context.select =
>> (osgi.http.whiteboard.context.path=/)
>> osgi.http.whiteboard.servlet.pattern = [/]
>> service.bundleid = 37
>> service.id = 206
>> service.scope = prototype
>> Provided by :
>> web-root (37)
>> Used by:
>> web-root (37)
>>
>> de@root()> web:servlet-list | grep RootServlet
>> de@root()>
>>
>> How can I diagnose this problem?
>>
>> I am running Karaf 4.4.1 with PAX-WEB 8.0.6 on Java 8.
>>
>> Regards
>>
>> Richard
>>
>>
>>
>>
>>
>>
>>
>>
>>
