![]() ![]() Uninstall BS.Player FREE - Looks like a suspicious freeware if you ask me, do you use it to be your media player ?.Update Adobe Shockwave Player - Outdated.Semi-random buttons turn black.Here's my personal recommendations for you There is no continuously moving black button anymore. Updating becomes slow, so only each half a second, a button becomes black. The block moves for about a second, and then not every update is visible anymore. You see the black block moving from left to right, and then again from left to right, infinitely. Try to run this with Java 7 and Java 8 and see the difference (at least on Linux).Įach button color change should be visible as described. Save the attached source as SlowGuiUpdate.java and compile the source. The result is a continuously moving black block from left to right (100 ms between each color change). First button 1 becomes black, then button 1 reverts to red and button 2 becomes black, then button 2 reverts to red and button 3 becomes black, etcetera. I made a small test program to reproduce this. STEPS TO FOLLOW TO REPRODUCE THE PROBLEM : Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode) Java(TM) SE Runtime Environment (build 1.7.0_51-b13) ![]() Ofcouse this program has no real value except to demonstrate the problem, but other programs are not responsive either (for example, when selecting a rectangle in a window, the rectangle does not follow the mouse immediately, which is very annoying). Also using '-client' parameter to the java executable made no difference. I checked this with JDK 8 64 bit and JDK 32 bit and there was no difference. It is as if the GUI thread falls asleep after a second, and will only refresh the window each half a second or something like that, instead of continuously. Since I installed JDK 8 for Linux (64 bit version), some Java applications have a very slow UI update. Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode) ![]() Java(TM) SE Runtime Environment (build 1.8.0-b132) ![]()
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