JDK-6287244 : Linux/Solaris robot should be rewritten
  • Type: Enhancement
  • Component: client-libs
  • Sub-Component: java.awt
  • Affected Version: 1.4.2,6
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux,windows_xp
  • CPU: generic,x86
  • Submitted: 2005-06-17
  • Updated: 2020-02-15
  • Resolved: 2006-04-05
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JDK 6
6 b79Fixed
Related Reports
Duplicate :  
JDK-5054333 - Eliminate robot process on Unix
Duplicate :  
JDK-4461210 - Robot.delay() causes null pointer exception when XTEST extensions are not avail.
Relates :  
JDK-5097723 - Robot is not usable with multi-screen setup having a virtual screen, on linux
Relates :  
JDK-6190081 - Dragging a frame using Robot is not working properly on Multi-mon setup, Solaris + xinerama
Relates :  
JDK-4470419 - Robot process exits unexpectedly on Linux
Relates :  
JDK-5097801 - Spurious mouse events are triggered on multi-mon - virtual screen linux setup
Relates :  
JDK-6329226 - Trying to construct two java.awt.Robot instances hangs over Exceed
Relates :  
JDK-6189405 - Robot.createScreenCapture is not consistant across virtual screen setups provided by win32/xinerama
Relates :  
JDK-4531145 - Robot's child process is not being initialized correctly
Relates :  
JDK-6450359 - awt_robot holds file handles on exclusive files
Relates :  
JDK-8013116 - Robot moves mouse to point which differs from set in mouseMove on Unity shell
Relates :  
JDK-6179157 - REGRESSION: Drag N Drop of text does not work on solaris - multi-mon with 2 independent screens
Description
There is a number of bugs, related to Xtest and Xinerama interaction, some of them are listed in "See Also" section. Such errors in Xtest extension make AWT robot almost completely unusable on Xinerama-enabled systems. So robot should be rewritten. One of the possible ways to do this is to use another extension than Xtest, if there are any.

###@###.### 2005-06-17 12:34:50 GMT

I'd extend this request to make possible moving and dragging the mouse with 
robot between independent screens (in case one can manually move the mouse 
from one screen to another). This is required to automate some testing, e.g. 
for 6179157.
###@###.### 2005-07-12 12:57:26 GMT
Comments
EVALUATION Possible improvements to AWT robot on linux/solaris systems are: * use another native API that Xtest server extension to move the pointer * eliminate AWT robot process * treat robot coordinates relative to its graphics device according to the JavaDoc All this is implemented, so the most of the robot+xinerama bugs (see in See Also section) are fixed. Moreover, while working with the fix I found that many of them are not reproducible with the latest versions of X servers (for example, XFree since 4.5.x). However after the fix there should be no problems with any X servers.
06-12-2005