[KARAF-142] NPE at org.apache.felix.webconsole.internal.servlet.OsgiManager.service - karaf started in server mode

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.0.0
• Fix Version/s: 2.1.0
• Assignee: Unassigned
• Reporter: Moulliard Charles
• Created: 16/Aug/10 15:06
• Updated: 19/Aug/10 14:51
• Resolved: 19/Aug/10 14:51

Description

The following error is generated when we try to reach the web console of karaf

16:58:47,964 | WARN  | 7@qtp-28812593-0 | jetty                            | service.jetty.internal.JCLLogger  115 | 55 - org.ops4j.pax.web.pax-web-jetty - 0.7.2 | /syste
m/console/
java.lang.NullPointerException
        at java.lang.String.concat(String.java:1996)[:1.6.0_20]
        at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:360)[58:org.apache.felix.webconsole:3.1.0]
        at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:340)[58:org.apache.felix.webconsole:3.1.0]
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:64)[55:org.ops4j.pax.web.pax-web-jetty:0.7.2]
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.handle(HttpServiceContext.java:111)[55:org.ops4j.pax.web.pax-web-jetty:0.7.2]
        at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64)[55:org.ops4j.pax.web.pax-web-jetty:0.7.2]
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.Server.handle(Server.java:326)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)[51:org.apache.servicemix.bundles.jetty-bundle:6.1.22.1]
16:59:02,542 | WARN  | 7@qtp-28812593-0 | jetty                            | service.jetty.internal.JCLLogger  115 | 55 - org.ops4j.pax.web.pax-web-jetty - 0.7.2 | /syste
m/console/

How to reproduce that

1) Start karaf in server mode --> bin/karaf server
2) Open your browser --> http://localhost:8181/system/console
3) Error appears in the web screen of the browser

HTTP ERROR 500

Problem accessing /system/console. Reason:

    INTERNAL_SERVER_ERROR

Caused by:

java.lang.NullPointerException
	at java.lang.String.concat(String.java:1996)
	at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:360)
	at org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:340)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:64)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
	at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.handle(HttpServiceContext.java:111)
	at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

Issue Links

• duplicates: KARAF-125 Webconsole can't concat strings?