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From "Dennis Crissman (JIRA)" <j...@apache.org>
Subject [jira] Created: (ACE-111) aceui - NullPointerException during drag & drop
Date Sat, 22 Jan 2011 02:29:43 GMT
aceui - NullPointerException during drag & drop
-----------------------------------------------

                 Key: ACE-111
                 URL: https://issues.apache.org/jira/browse/ACE-111
             Project: Ace
          Issue Type: Bug
          Components: Web UI
    Affects Versions: 0.8.0
         Environment: Windows XP, Firefox
            Reporter: Dennis Crissman
            Priority: Minor


I am getting various flavors of the same exception, and I have to say I have not been able
to reproduce the exact same exception twice. These exceptions seem to be related to adding
a feature to a distribution and then clicking on a bundle. Sorry I am unable to be more specific,
I keep trying to reproduce and then get a new exception each time.

{code|title=Exception 1}
g! FEATURE-EVENT-ADD: org.apache.ace.client.repository.impl.GroupObjectImpl@995223b5
cellrenderer: unrelated
cellrenderer: unrelated
F: com.vaadin.ui.Table$TableTransferable@7d5d7d
FF: feat
java.lang.RuntimeException: java.lang.NullPointerException
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1112)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:590)
        at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:266)
        at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:476)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:389)
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.handle(HttpServiceServletHandler.java:64)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.handle(HttpServiceContext.java:111)
        at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:64)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Caused by: java.lang.NullPointerException
        at org.apache.ace.webui.vaadin.Associations.isActiveTable(Associations.java:36)
        at org.apache.ace.webui.vaadin.VaadinClient$AssociationDropHandler.drop(VaadinClient.java:843)
        at com.vaadin.terminal.gwt.server.DragAndDropService.handleDropRequest(DragAndDropService.java:105)
        at com.vaadin.terminal.gwt.server.DragAndDropService.changeVariables(DragAndDropService.java:71)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1094)
        ... 20 more
{code}


{code|title=Exception 2: Added Empty Feature to Distribution then clicked on bundle.}
F: com.vaadin.ui.Table$TableTransferable@41b635
FF: com.perimeterusa.lib.osgi-1.1.1
T: com.vaadin.ui.AbstractSelect$AbstractSelectTargetDetails
TT: com.perimeterusa.lib.osgi-1.1.1
java.lang.RuntimeException: java.lang.NullPointerException
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1112)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:590)
        at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:266)
        at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:476)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:389)
        at org.ops4j.pax.web.service.jetty.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: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:534)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Caused by: java.lang.NullPointerException
        at org.apache.ace.client.repository.impl.AssociationRepositoryImpl.create(AssociationRepositoryImpl.java:76)
        at org.apache.ace.client.repository.impl.AssociationRepositoryImpl.create(AssociationRepositoryImpl.java:43)
        at org.apache.ace.webui.vaadin.VaadinClient$2.associateFromRight(VaadinClient.java:276)
        at org.apache.ace.webui.vaadin.VaadinClient$AssociationDropHandler.drop(VaadinClient.java:869)
        at com.vaadin.terminal.gwt.server.DragAndDropService.handleDropRequest(DragAndDropService.java:105)
        at com.vaadin.terminal.gwt.server.DragAndDropService.changeVariables(DragAndDropService.java:71)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1094)
        ... 20 more
{code}

{code|title=Exception 3}
getTarget(dist)
getTarget returning NULL!!!!
java.lang.RuntimeException: java.lang.NullPointerException
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1112)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:590)
        at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:266)
        at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:476)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:389)
        at org.ops4j.pax.web.service.jetty.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: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:534)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Caused by: java.lang.NullPointerException
        at org.apache.ace.webui.vaadin.VaadinClient$4.associateFromRight(VaadinClient.java:310)
        at org.apache.ace.webui.vaadin.VaadinClient$AssociationDropHandler.drop(VaadinClient.java:869)
        at com.vaadin.terminal.gwt.server.DragAndDropService.handleDropRequest(DragAndDropService.java:105)
        at com.vaadin.terminal.gwt.server.DragAndDropService.changeVariables(DragAndDropService.java:71)
        at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1094)
        ... 20 more
{code}

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