App Switching Stopped Working

I can no long navigate to an open app by clicking the icon in the dock. When I do, the app becomes selected as I can see the name of the app in the top menu bar but I no longer am taken to that full screen app, or app on one of my two desktops. I've tried using the Cmd + Tab and when I select an app from the overlay of open apps, its the same, top bar menu items for that application but not the open windows?
Thoughts???
This seems to have only started after updating to 10.10.2 although it the first few times I noticed it, a restart fixed it for awhile. Now it seems permanently broken as immediately after restart it doesn't work.

I have had this happen a number of times in Mavericks - now in Yosemite (I'm on 10.10.3).
When I either CMD Tab or select the next app from the Dock - the new app stays in the background IF the new app is not on the same desktop.
It is a Desktop switching bug. And it's here in Yosemite!
It disappears for a while after a restart for a while (sounds like Windows!). I haven't yet figured what starts the bug...

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I had thought that our problem was this problem (Wrong characters in KeyEvents generated from input of barcode scanner but purposely slowing down the acceptance of KEY_PRESSED and KEY_RELEASED events before allowing them to go on to the Swing app (via a KeyDispatcher) did not solve the problem.
Also, we had thought it might be a Citrix problem and how it (or does it?) hook into the Windows keyboard. The fact that once one Swing app gets into this keyboard doesn't work and escape keys are being sent out by the EDT can affect another Swing app makes me wonder. We're not seeing any VM exceptions either like this (EXCEPTION_ACCESS_VIOLATION - JRE 6.0_23 - Citrix, windows 2003
Been trying to get this one solved for over a week, but with no luck. Any help/advice would be appreciated. Thank you in advance for your time.
P.S. Here's the detailed log info I generated via my KeyEventDispatch listener...
2011-04-01 11:58:17,493 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:36 - KEY1-keystroke [java.awt.DefaultKeyboardFocusManager@377369]: java.awt.event.KeyEvent[KEY_PRESSED,keyCode=27,keyText=Escape,keyChar=Escape,keyLocation=KEY_LOCATION_STANDARD,rawCode=27,primaryLevelUnicode=27,scancode=1] on javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,494 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:42 - KEY2-ActiveWindow: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,496 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:48 - KEY3-CurrentFocusCycleRoot: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,497 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:54 - KEY4-FocusedWindow: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,498 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:60 - KEY5-FocusOwner: javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,499 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:66 - KEY6-PermanentFocusOwner: javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,501 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:74 - KEY7-stacktrace...
com..client.util.MyKeyEventDispatcher$StackTraceGenerationException: This exception was created to generate a stack trace, and can be safely ignored.
     at com..client.util.MyKeyEventDispatcher.dispatchKeyEvent(MyKeyEventDispatcher.java:73)
     at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
     at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
     at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
     at java.awt.Component.dispatchEventImpl(Unknown Source)
     at java.awt.Container.dispatchEventImpl(Unknown Source)
     at java.awt.Window.dispatchEventImpl(Unknown Source)
     at java.awt.Component.dispatchEvent(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
2011-04-01 11:58:17,504 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:36 - KEY1-keystroke [java.awt.DefaultKeyboardFocusManager@377369]: java.awt.event.KeyEvent[KEY_RELEASED,keyCode=27,keyText=Escape,keyChar=Escape,keyLocation=KEY_LOCATION_STANDARD,rawCode=27,primaryLevelUnicode=27,scancode=1] on javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,506 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:42 - KEY2-ActiveWindow: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,507 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:48 - KEY3-CurrentFocusCycleRoot: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,508 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:54 - KEY4-FocusedWindow: javax.swing.JFrame[mainFrame,128,128,1024x768,invalid,layout=java.awt.BorderLayout,title=My - HQ - 17601,resizable,normal,defaultCloseOperation=DO_NOTHING_ON_CLOSE,rootPane=javax.swing.JRootPane[,0,0,1024x768,invalid,layout=com.ep.skin.lnf.framework.internal.RootPaneUI$MetalRootLayout,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.BorderUIResource@d0e678,flags=16777673,maximumSize=,minimumSize=,preferredSize=],rootPaneCheckingEnabled=true]
2011-04-01 11:58:17,509 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:60 - KEY5-FocusOwner: javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,510 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:66 - KEY6-PermanentFocusOwner: javax.swing.JTextField[,320,28,175x18,layout=javax.swing.plaf.basic.BasicTextUI$UpdateHandler,alignmentX=0.0,alignmentY=0.0,border=com.ep.skin.lnf.framework.utils.internal.RoundedBorder@c3a7c0,flags=296,maximumSize=,minimumSize=,preferredSize=,caretColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],disabledTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],editable=true,margin=javax.swing.plaf.InsetsUIResource[top=0,left=0,bottom=0,right=0],selectedTextColor=sun.swing.PrintColorUIResource[r=51,g=51,b=51],selectionColor=javax.swing.plaf.ColorUIResource[r=184,g=207,b=229],columns=15,columnWidth=11,command=,horizontalAlignment=LEADING]
2011-04-01 11:58:17,512 [AWT-EventQueue-1] DEBUG MyKeyEventDispatcher.dispatchKeyEvent:74 - KEY7-stacktrace...
com..client.util.MyKeyEventDispatcher$StackTraceGenerationException: This exception was created to generate a stack trace, and can be safely ignored.
     at com..client.util.MyKeyEventDispatcher.dispatchKeyEvent(MyKeyEventDispatcher.java:73)
     at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
     at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
     at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
     at java.awt.Component.dispatchEventImpl(Unknown Source)
     at java.awt.Container.dispatchEventImpl(Unknown Source)
     at java.awt.Window.dispatchEventImpl(Unknown Source)
     at java.awt.Component.dispatchEvent(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
The above log info repeats multiple times, KEY_PRESSED and KEY_RELEASE, over and over again, for 'escape' keys.
Edited by: 850693 on Apr 7, 2011 10:16 AM (typo fix)
Edited by: 850693 on Apr 7, 2011 10:19 AM (Fixed links)

<discaimer>Don't put too much hope in my reply</disclaimer>
The only real difference is QA has the Citrix client installed on them, and development does not. You don't need to run our Swing app through a Citrix client though to cause the bug/freezing, just running it on a PC with the Citrix client seems to be enough (in theory). We've been working down a checklist of possible problems/solutions, and we've gotten to the "Install Citrix to the dev PC" item now, so I'll post back if that makes a difference or not in reproducing the problem.
I've also had QA people actually come over to a dev PC, without the Citrix client, and try to reproduce the problem, and they have not been able to. There's 'something' about their environment vs. ours, but not sure how that would manifest itself as a AWT/Swing keyboard event of mysterious escape keystrokes followed by the locking up on the keyboard, but not the whole Swing app. My personal guess is the Citirix client installing funky Windows-level keyboard driver(s), but I may be totally off on that. /shrugI read your initial post twice and couldn't find out whether you reproduce that on several different machines, so one "environmental" difference comes to mind: have you tried using another keyboard on the defective QA configuration?
Of course that doesn't explain in itself how the problem would manifest only after switching back and forth to a native Windows app, but then, with the hint that Citrix may make a difference, maybe one driver filters out repeated "Esc" keystrokes, while another doesn't, and that manifests only after a few app switches, and the system event queue, or whatever it's called in Windows, redirects the events to the target app/window?
Other than that, I wish you had investigated Jeanette's pacemaker hypothesis more... ;)
Otherwise, yeah. I have a hook in to see all AWTEvent's, but I still need to see/find what's posting the mysterious escape keys to the event queue.I assume it's what you mean, but I'll try to make that clear: you have to investigate, at the OS level, what is posting escape key events to the OS queue.
I am not a Windows developper, but I seem to understand that the following programs claims to capture keystrokes on the whole screen (not limited to a single window), with some limitations: http://www.codeproject.com/KB/winsdk/WIN_RECORDER.aspx
More generally, you should search for a Windows way to peek at the Windows' (keyboard?) event queue.
I'm not sure this could identify which DLL (if it's not originated by the material, see the defective keyboard hypothesis) is posting the events, but that's worth a try (Java for example, would enables to stuff a custom event queue that would trace info about a Java-poster).
Even if you can't identify the posting DLL, running the "key captuyre" on both the Windows host that has the Citrix window, and the Windows host that you are accessing via Citrix, may give you hints as to where the heck the key strokes originate...
Good luck, and keep us informed,
J.

Help, My web app has stopped working.

Hey guys, I got my N95 thru orange and i've had it for nearly two weeks now. The phone is great and until now I've had no trouble.
I've been using the inbuilt web app to access Orange world (Oranges mobile site, football, tv, etc etc) and all of a sudden it's stopped working.
I have contacted Orange and they have sent me a configuration message with the wap settings and they have also talked me through setting them up manually but it still hasn't worked. I also didn't think it was the settings that were at fault in the first place but they still talk you through it all anyway.
What happens is when I click onto the web app, the menu disappears as though the phone is about to launch into the web app itself and then straight away it returns to the phone menu. It doesn't even attempt to connect to any service at all. Just straight back to the menu.
I think maybe the app itself might be missing.
Can anyone help me out
Thanks
David

if u have been using it ok up til now then it cant be settings problems, have u tried switching off the handset and removing the battery for a while if not then its a trip to a nokia service centre or u can set the handset back to factory settings yourself on the standby screen type *#7370# enter the lock code (default 12345) then fone will re start back to factory settings, be warned, back everything up if u can because u will loose everything!
Phones I've owned (not in any order) 8210 7100 3510 3510i 7650 9210Communicator 1600 3310 3330 3650 5110 6230 9500Communicator N70 N90 N91 N73(ME) N95

App Switching Stopped Working

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