Error Cannot Call Invokeandwait From The Event Dispatcher Thread
How does InvokeAndWait works in Java Swing If you look at the signature of invokeAndWait method you will see that it takes a Runnable object and run method of that Runnable Are you trying to manipulate Swing components off of the EDT (with your setEditFields and similar method calls)? However, obviously, it is not possible to do this from the event dispatching thread. When I test these error conditions, the first statement in the conditional works as designed, but I get a java error when testing the else clause. this contact form
Top 10 Java Swing interview questions answers aske... How to get google plus invites free How to write Production quality code? For registration and login issues contact website support. FAQ Search Digests Login with Pass or Register ChemAxon.com Forums Support Drawing & visualization: Marvin/Sketch /View /Space "AWT-EventQueue-0" java.lang.Error: Cannot call in "AWT-EventQueue-0" You can not post a blank message.
However, I can't change the code that calls this method. I am trying to do this within the EDQ and so I use SwingUtilities invokeAndWait. Why do we need InvokeLater method in Swing? If the first character received is a "Z" I execute one set of code (displaying a JOptionPane) and if it is a 0 I execute another section of code (displaying another
The memory footprint also seems reasonable. ARM- Automatic resource management in Java7 an ex... So if you want to update a particular swing component suppose label of a JButton from Yes to No you need to do this in Event Dispatcher thread and for doing Share to Twitter Share to Facebook Labels: core java , Swing Location: United States 5 comments : Anonymous said...
How can I list two concurrent careers, one full time and one freelance, on a CV? if Event-dispatcher thread is busy"); Example of using InvokeAndWait in Java Swing In this example of InvokeAndWait, we will see that Application thread will block until Runnable object passed to EDT Nice little Gotcha ;) January 5, 2012 at 4:07 PM Javin @ java final keyword example said... One other point to note about invokeLater is that if you are calling it from a thread that gets processed on sub-second intervals you application will never terminate this is because
Browse other questions tagged java swing swingutilities or ask your own question. An important point to note is that it should not be called from EventDispatcher thread unlike invokeLater; it's an error because it will result in guaranteed deadlock. With example How to override equals method in Java How to implement Thread in Java ?Example of Runnable interface Difference between ConcurrentHashMap and Collections.synchronizedMap and Hashtable in Java How to create Foldable, Monoid and Monad Can two different firmware files have same md5 sum?
Even if invokeLater is called directly form Event dispatches thread processing of Runnable task still be done only after processing all pending AWT Events. etc. –nos Jan 7 '11 at 20:43 EDIT: I found an error being thrown –Jakir00 Jan 7 '11 at 20:57 Jacob, you are in the event dispaching Fixed in d459af916816 - but again, the feature doesn't work quite as well as before because after invoking Retry you have to press Enter or F7 to complete the step. InvokeAndWait is synchronous and blocking call and wait until submitted Runnable completes while InvokeLater is asynchronous and non-blocking it will just submit task and exit." That's all on InvokeAndWait() and InvokeLater()
As others have pointed out, this code seems confused: if it's off the EDT, manipulating Swing objects is bad, and if it's on the EDT then there is no need to Even with println's it will display nothing. –Jakir00 Jan 7 '11 at 20:41 So, where does it stop ? posted 9 years ago Anyone have any clues as to how I can fix this, without changing either the code that calls this method or the WaveInterferenceApplication?
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Using CASE to select between two geometry functions? there was also lots of followup in terms of blocking and how invokeAndWait achieves blocking etc. It sends a Runnable object to the GUI thread where it will be executed. It seems to work.
Are backpack nets an effective deterrent when going to rougher parts of the world? Specifically: Exception in thread "AWT-EventQueue-2" java.lang.Error: Cannot call invokeAndWait from the event dispatcher thread at java.awt.EventQueue.invokeAndWait(Unknown Source) It is all part of the same conditional. Sponsored by Skip navigationOracle Community DirectoryOracle Community FAQGo Directly To Oracle Technology Network CommunityMy Oracle Support CommunityOPN Cloud ConnectionOracle Employee CommunityOracle User Group CommunityTopliners CommunityJava CommunityOTN Speaker BureauLog inRegisterSearchSearchCancelError: You don't What happens if anti-refelctive coating is fully ruined or removed from lens most outer surface?
asked 4 years ago viewed 1538 times active 4 years ago Related 4Stopping default behavior of events in Swing7Passing events to parent12Scroll Event of a JScrollPane1Java Event Listener code not behaving more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed What happens if anti-refelctive coating is fully ruined or removed from lens most outer surface? Why was Kepler's orbit chosen to continue to drift away from Earth?
invokeLater is used to perform any task asynchronously on AWT Event Dispatcher thread. Happy coding. Some of my other tutorial in Java How do you avoid deadlock in Java How to use Comparator and Comparable in Java? Difference between HashMap and HashSet in Java How to Convert Date to String in Java with Example...
You can't, you will be deadlocked waiting for yourself to run the runnable, which you can't do, because you are busy waiting for yourself. For whatever reason the current testcase crashes the whole program, without catching the error in the current window (which is weird, because whenever I had the older mview batch files, the