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https://issues.apache.org/jira/browse/FELIX-2012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805835#action_12805835
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Felix Meschberger commented on FELIX-2012:
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Yes, in the case of a the root ...
still -- theoretically -- the URL may be invalid (as you check in the method
with trying to get the InputStream).
In this case you should also not return the URL (what would the check be useful
for anyway ?)
... and if the check is successfull, you don't close the InputStream, which
IMHO is very bad.
> NullPointerException when some links clicked if karaf.framework=equinox
> -----------------------------------------------------------------------
>
> Key: FELIX-2012
> URL: https://issues.apache.org/jira/browse/FELIX-2012
> Project: Felix
> Issue Type: Bug
> Components: Web Console
> Affects Versions: karaf-1.2.0
> Environment: Windows XP, Ubuntu 9.10
> Reporter: David Porter
> Assignee: Freeman Fang
> Fix For: karaf-1.4.0
>
>
> To reproduce:
> In the /etc/config.properties file, set karaf.framework=equinox
> Start Karaf.
> Install the webconsole feature.
> In your web browser, go to http://localhost:8181/system/console
> Log in as admin/admin
> Click the Admin, Features, or Gogo links in the nav bar at the top.
> Result:
> java.lang.NullPointerException
> at
> org.apache.felix.webconsole.AbstractWebConsolePlugin.spoolResource(AbstractWebConsolePlugin.java:355)
> at
> org.apache.felix.webconsole.AbstractWebConsolePlugin.doGet(AbstractWebConsolePlugin.java:103)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at
> org.apache.felix.webconsole.internal.servlet.OsgiManager.service(OsgiManager.java:314)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:363)
> at
> org.ops4j.pax.web.service.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:64)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at
> org.ops4j.pax.web.service.internal.HttpServiceContext.handle(HttpServiceContext.java:111)
> at
> org.ops4j.pax.web.service.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403)
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
> at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:522)
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