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From "J.W. Janssen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACE-427) Disabling authentication in WebUI trigger a NullPointerException
Date Mon, 11 Nov 2013 10:34:18 GMT

    [ https://issues.apache.org/jira/browse/ACE-427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13818842#comment-13818842
] 

J.W. Janssen commented on ACE-427:
----------------------------------

I do not think this is directly related to the disabling of authentication rather than probably
having two browser windows open with the Vaadin UI? I've seen Vaadin reacting rather strangely
to this by throwing the above exception. Could you verify this by simply restarting the Vaadin
UI?


> Disabling authentication in WebUI trigger a NullPointerException
> ----------------------------------------------------------------
>
>                 Key: ACE-427
>                 URL: https://issues.apache.org/jira/browse/ACE-427
>             Project: ACE
>          Issue Type: Bug
>          Components: Authentication, UI
>         Environment: Mac OSX. Sun JDK 1.7.0-25_b15.
>            Reporter: Damien Martin-Guillerez
>            Priority: Blocker
>
> The affected version is actually on SVN in the trunk, revision 1524399
> Disabling the authentication by setting ui.authentication.enabled = false in conf/org.apache.ace.webui.vaadin.cfg
generates a nullpointerexception when loading the page.
> 2013.11.10 23:54:38 WARNING - Bundle: org.apache.ace.webui.vaadin - Login failed! Destroying
session... - java.lang.NullPointerException
> 	at org.apache.ace.webui.vaadin.ShortcutHelper.getPlatformSpecificModifier(ShortcutHelper.java:81)
> 	at org.apache.ace.webui.vaadin.ShortcutHelper.addCrossPlatformShortcut(ShortcutHelper.java:34)
> 	at org.apache.ace.webui.vaadin.VaadinClient.addCrossPlatformAddShortcut(VaadinClient.java:484)
> 	at org.apache.ace.webui.vaadin.VaadinClient.createAddArtifactButton(VaadinClient.java:549)
> 	at org.apache.ace.webui.vaadin.VaadinClient.createArtifactToolbar(VaadinClient.java:723)
> 	at org.apache.ace.webui.vaadin.VaadinClient.initGrid(VaadinClient.java:1115)
> 	at org.apache.ace.webui.vaadin.VaadinClient.doLogin(VaadinClient.java:964)
> 	at org.apache.ace.webui.vaadin.VaadinClient.loginAutomatically(VaadinClient.java:1196)
> 	at org.apache.ace.webui.vaadin.VaadinClient.authenticate(VaadinClient.java:523)
> 	at org.apache.ace.webui.vaadin.VaadinClient.init(VaadinClient.java:339)
> 	at com.vaadin.Application.start(Application.java:551)
> 	at org.apache.ace.webui.vaadin.VaadinClient.start(VaadinClient.java:416)
> 	at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.startApplication(AbstractApplicationServlet.java:1219)
> 	at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:484)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.apache.felix.http.base.internal.handler.ServletHandler.doHandle(ServletHandler.java:96)
> 	at org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:79)
> 	at org.apache.felix.http.base.internal.dispatch.ServletPipeline.handle(ServletPipeline.java:42)
> 	at org.apache.felix.http.base.internal.dispatch.InvocationFilterChain.doFilter(InvocationFilterChain.java:49)
> 	at org.apache.felix.http.base.internal.dispatch.HttpFilterChain.doFilter(HttpFilterChain.java:33)
> 	at org.apache.felix.http.base.internal.dispatch.FilterPipeline.dispatch(FilterPipeline.java:48)
> 	at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:39)
> 	at org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:67)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> 	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:654)
> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445)
> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044)
> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372)
> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> 	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> 	at org.eclipse.jetty.server.Server.handle(Server.java:369)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486)
> 	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:933)
> 	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:995)
> 	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
> 	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> 	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> 	at java.lang.Thread.run(Thread.java:724)
> My use-case (reason for me using this feature): I want to embed the server in our systems
using a proxy from another Jetty instance with LDAP authentication. The webui should be accessible
to our dev team while the API only accessible from authenticated networks (i.e., no authentication
is used from ACE, iptables filtering allows only some interfaces to connect to ACE, only one
entry point for all our development and admin tools)



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