Hello,

I have done a clean install of karaf 1.4.0

from the console I then did features:install webconsole

[  33] [Active     ] [            ] [   60] geronimo-servlet_2.5_spec (1.1.2)
[  34] [Active     ] [            ] [   60] Apache ServiceMix Bundles:
jetty-6.1.22 (6.1.22.1)
[  35] [Active     ] [            ] [   60] OPS4J Pax Web - API (0.7.2)
[  36] [Active     ] [            ] [   60] OPS4J Pax Web - Service SPI (0.7.2)
[  37] [Active     ] [            ] [   60] OPS4J Pax Web - Runtime (0.7.2)
[  38] [Active     ] [            ] [   60] OPS4J Pax Web - Jetty (0.7.2)
[  39] [Active     ] [            ] [   60] Apache Felix Metatype
Service (1.0.2)
[  40] [Resolved ] [            ] [   60] Apache Felix Karaf :: Web
Console :: Branding (1.4.0)Hosts: 41
[  41] [Active     ] [            ] [   60] Apache Felix Web
Management Console (2.0.6) Fragments: 40
[  42] [Active     ] [Created     ] [   60] Apache Felix Karaf :: Web
Console :: Admin Plugin (1.4.0)
[  43] [Active     ] [Created     ] [   60] Apache Felix Karaf :: Web
Console :: Features Plugin (1.4.0)
[  44] [Active     ] [Created     ] [   60] Apache Felix Karaf :: Web
Console :: Gogo Plugin (1.4.0)

I then navigate to:

http://localhost:8181/system/console

Most of the time I get the error shown at the end of this message:

However once it started ok - which possibly indicates a service start
dependency issue?

Is there a work-arround, or a fix?


HTTP ERROR 503

Problem accessing /system/console. Reason:

    java.lang.NullPointerException

Caused by:

javax.servlet.UnavailableException: java.lang.NullPointerException
        at 
org.mortbay.jetty.servlet.ServletHolder.makeUnavailable(ServletHolder.java:415)
        at 
org.mortbay.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:458)
        at 
org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:263)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:685)
        at 
org.mortbay.jetty.servlet.ServletHandler.updateMappings(ServletHandler.java:1053)
        at 
org.mortbay.jetty.servlet.ServletHandler.setServletMappings(ServletHandler.java:1110)
        at 
org.mortbay.jetty.servlet.ServletHandler.addServletMapping(ServletHandler.java:809)
        at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl$1.call(JettyServerImpl.java:149)
        at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl$1.call(JettyServerImpl.java:144)
        at 
org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
        at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.addServlet(JettyServerImpl.java:143)
        at 
org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Started.addServlet(ServerControllerImpl.java:248)
        at 
org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.addServlet(ServerControllerImpl.java:99)
        at 
org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(HttpServiceStarted.java:149)
        at 
org.ops4j.pax.web.service.internal.HttpServiceProxy.registerServlet(HttpServiceProxy.java:54)
        at 
org.apache.felix.webconsole.internal.servlet.OsgiManager.bindHttpService(OsgiManager.java:626)
        at 
org.apache.felix.webconsole.internal.servlet.OsgiManager.updateConfiguration(OsgiManager.java:807)
        at 
org.apache.felix.webconsole.internal.servlet.ConfigurationListener.updated(ConfigurationListener.java:72)
        at 
org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:1112)
        at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:88)

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