I get the same problem.

I use Karaf 2.1 which relies on pax-web 0.7.3. I've tried pax-web 0.8.0
which was just released but it doesn't work either. I seem to get rid of
this problem when reverting to pax-web 0.7.2 like you suggested to Irad.
However I had to patch the feature file that comes with Karaf 2.1 to do
this.

Does anyone know if someone is working to fix this? Is it reported? I'm not
sure if it should be reported to the Jetty people, Ops4j or perhaps Felix or
Karaf.

I would really like to upgrade to pax-web 0.8.0 (with Jetty 7) but right now
it seems like I'm stuck at 0.7.2...

Does anyone know if a fix is in the works somewhere?

/Bengt

2010/11/2 Allen Lau <[email protected]>

> There is a problem with newer Jetty versions running inside of Felix that
> causes this problem.   Don't remember the thread that pinpoints the exact
> issue.  Reverting back to PAX-WEB 0.7.2 solves the issue.   Give that a
> try.
>
> Allen
>
> On Mon, Nov 1, 2010 at 9:57 AM, Irad Dor <[email protected]> wrote:
>
> > Hi,
> >
> > Was wondering if anyone can help.
> >
> >
> >
> > I am getting the below set of behaviours after trying to install or
> > uninstall a feature with  Karaf 2.1.0 web console on a spawned server
> > instance (not the main karaf server).
> >
> > 1.      I try to install / uninstall a feature
> >
> > 2.      At first The web console does not respond and seems stuck
> >
> > 3.      If I wait with no refresh, I sometimes see an empty features
> > screen (Feature information: 0 features in total - all 0 features
> > active.)
> >
> > 4.      But after a refresh the feature seems installed.
> >
> > 5.      Sometimes the web console seems to have completely died and I
> > cannot access any of the tabs
> >
> > 6.      Sometimes I get the following AJAX Error pop-up screen:
> >
> > a.      The request failed:
> >
> > b.    HTTP ERROR 405
> >
> > c.  Problem accessing /system/console/features. Reason:
> >
> > d.  HTTP method POST is not supported by this URL
> >
> > e.
> > ________________________________
> >
> >
> > f.  Powered by Jetty://
> >
> >
> >
> >
> >
> > A section of the karaf log is below with messages that are generated
> > when this happens. Can you help?
> >
> > Thanks,
> >
> > Irad.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > 16:38:42,814 | WARN  | qtp-1605870897-5 | jetty
> > | service.jetty.internal.JCLLogger  115 | 62 - org.ops4j.pax.web.
> >
> > pax-web-jetty - 0.7.3 | /system/console/res/karaf/ui/webconsole.css
> >
> > java.lang.NullPointerException: Inflater has been closed
> >
> >        at
> > java.util.zip.Inflater.ensureOpen(Inflater.java:364)[:1.6.0_21]
> >
> >        at
> > java.util.zip.Inflater.getBytesWritten(Inflater.java:317)[:1.6.0_21]
> >
> >        at
> > java.util.zip.ZipFile$1.available(ZipFile.java:243)[:1.6.0_21]
> >
> >        at
> > org.apache.felix.framework.URLHandlersBundleURLConnection.connect(URLHan
> > dlersBundleURLConnection.java:126)[org.apache.felix.frame
> >
> > work-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.URLHandlersBundleURLConnection.getInputStream
> > (URLHandlersBundleURLConnection.java:135)[org.apache.feli
> >
> > x.framework-3.0.2.jar:]
> >
> >        at
> > org.mortbay.resource.URLResource.exists(URLResource.java:101)[58:org.apa
> > che.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.ops4j.pax.web.service.jetty.internal.ResourceServlet.doGet(ResourceS
> > ervlet.java:82)[62:org.ops4j.pax.web.pax-web-jetty:0.7.3]
> >
> >
> >
> >        at
> > javax.servlet.http.HttpServlet.service(HttpServlet.java:693)[57:org.apac
> > he.geronimo.specs.geronimo-servlet_2.5_spec:1.1.2]
> >
> >        at
> > javax.servlet.http.HttpServlet.service(HttpServlet.java:806)[57:org.apac
> > he.geronimo.specs.geronimo-servlet_2.5_spec:1.1.2]
> >
> >        at
> > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)[5
> > 8:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
> > [58:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.handl
> > e(HttpServiceServletHandler.java:64)[62:org.ops4j.pax.web
> >
> > .pax-web-jetty:0.7.3]
> >
> >        at
> > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> > [58:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
> > [58:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.handle(HttpS
> > erviceContext.java:111)[62:org.ops4j.pax.web.pax-web-jett
> >
> > y:0.7.3]
> >
> >        at
> > org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.ha
> > ndle(JettyServerHandlerCollection.java:68)[62:org.ops4j.p
> >
> > ax.web.pax-web-jetty:0.7.3]
> >
> >        at
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> > [58:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.Server.handle(Server.java:326)[58:org.apache.servicemi
> > x.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)[
> > 58:org.apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConne
> > ction.java:923)[58:org.apache.servicemix.bundles.jetty-bu
> >
> > ndle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)[58:org.apach
> > e.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)[58:org.
> > apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)[58:org.
> > apache.servicemix.bundles.jetty-bundle:6.1.22.2]
> >
> >        at
> > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
> > 409)[58:org.apache.servicemix.bundles.jetty-bundle:6.1.22
> >
> > .2]
> >
> >        at
> > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java
> > :582)[58:org.apache.servicemix.bundles.jetty-bundle:6.1.2
> >
> > 2.2]
> >
> > 16:38:46,079 | INFO  | qtp-1605870897-0 | FeaturesServiceImpl
> > | res.internal.FeaturesServiceImpl  273 | 14 - org.apache.karaf.f
> >
> > eatures.core - 2.1.0 | Bundles to refresh: org.apache.felix.webconsole
> > (79)
> >
> > 16:38:46,079 | INFO  | qtp-1605870897-0 | FeaturesServiceImpl
> > | res.internal.FeaturesServiceImpl  283 | 14 - org.apache.karaf.f
> >
> > eatures.core - 2.1.0 | Refreshing bundles: org.apache.felix.webconsole
> > (79)
> >
> > 16:38:46,080 | INFO  | elixPackageAdmin | HttpServiceFactoryImpl
> > | .internal.HttpServiceFactoryImpl   40 | 61 - org.ops4j.pax.web.
> >
> > pax-web-runtime - 0.7.3 | Unbinding bundle: [org.apache.felix.webconsole
> > [79]]
> >
> > 16:38:46,088 | INFO  | elixPackageAdmin | HttpServiceFactoryImpl
> > | .internal.HttpServiceFactoryImpl   33 | 61 - org.ops4j.pax.web.
> >
> > pax-web-runtime - 0.7.3 | Binding bundle: [org.apache.felix.webconsole
> > [79]] to http service
> >
> > 16:38:46,089 | ERROR | elixPackageAdmin | webconsole
> > | ?                                   ? | 79 - org.apache.felix.w
> >
> > ebconsole - 1.2.10 | bindHttpService: Problem setting up
> >
> > org.osgi.service.http.NamespaceException: alias is already in use in
> > this or another context
> >
> >        at
> > org.ops4j.pax.web.service.spi.model.ServerModel.addServletModel(ServerMo
> > del.java:120)[60:org.ops4j.pax.web.pax-web-spi:0.7.3]
> >
> >        at
> > org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(Ht
> > tpServiceStarted.java:146)[61:org.ops4j.pax.web.pax-web-r
> >
> > untime:0.7.3]
> >
> >        at
> > org.ops4j.pax.web.service.internal.HttpServiceProxy.registerServlet(Http
> > ServiceProxy.java:54)[61:org.ops4j.pax.web.pax-web-runtim
> >
> > e:0.7.3]
> >
> >        at
> > org.apache.felix.webconsole.internal.servlet.OsgiManager.bindHttpService
> > (OsgiManager.java:577)[79:org.apache.felix.webconsole:1.2
> >
> > .10]
> >
> >        at
> > org.apache.felix.webconsole.internal.servlet.OsgiManager$HttpServiceTrac
> > ker.addingService(OsgiManager.java:420)[79:org.apache.fel
> >
> > ix.webconsole:1.2.10]
> >
> >        at
> > org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTra
> > cker.java:896)[karaf.jar:]
> >
> >        at
> > org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:2
> > 61)[karaf.jar:]
> >
> >        at
> > org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:
> > 184)[karaf.jar:]
> >
> >        at
> > org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:339)[karaf
> > .jar:]
> >
> >        at
> > org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:273)[karaf
> > .jar:]
> >
> >        at
> > org.apache.felix.webconsole.internal.servlet.OsgiManager.<init>(OsgiMana
> > ger.java:175)[79:org.apache.felix.webconsole:1.2.10]
> >
> >        at
> > org.apache.felix.webconsole.internal.OsgiManagerActivator.start(OsgiMana
> > gerActivator.java:35)[79:org.apache.felix.webconsole:1.2.
> >
> > 10]
> >
> >        at
> > org.apache.felix.framework.util.SecureAction.startActivator(SecureAction
> > .java:633)[org.apache.felix.framework-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.Felix.activateBundle(Felix.java:1817)[org.apa
> > che.felix.framework-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.Felix.startBundle(Felix.java:1734)[org.apache
> > .felix.framework-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.Felix$RefreshHelper.restart(Felix.java:4469)[
> > org.apache.felix.framework-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.Felix.refreshPackages(Felix.java:3554)[org.ap
> > ache.felix.framework-3.0.2.jar:]
> >
> >        at
> > org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:33
> > 6)[org.apache.felix.framework-3.0.2.jar:]
> >
> >        at java.lang.Thread.run(Thread.java:619)[:1.6.0_21]
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Irad Dor
> >
> > Edge CI
> >
> > +44 77 6677 4020
> >
> > +44 20 7193 9279
> >
> >
> >
> >
>

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