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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