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Bug Database
Bug ID: 6702458
Votes 0
Synopsis 6u10 support for translucent windows doesn't check for XRENDER extension before using it.
Category java:classes_awt
Reported Against
Release Fixed 6u10(b26)
State 10-Fix Delivered, bug
Priority: 3-Medium
Related Bugs 6633275
Submit Date 14-MAY-2008
Description
The fix for 6633275 (translucent and shaped windows) introduces use of the XRENDER
extension in awt_GraphicsEnv.c After loading the library, the code starts making
calls, but doesn't first check if the extension is in fact supported.

On at least some versions of Xlib this is obvious because you get a ton of messages :
Xlib:  extension "RENDER" missing on display "myhost:0.0"
Xlib:  extension "RENDER" missing on display "myhost:0.0".
Xlib:  extension "RENDER" missing on display "myhost:0.0".
....
Posted Date : 2008-05-14 20:30:50.0
Work Around
N/A
Evaluation
Should call XQueryExtension() before using the RENDER extension.
Posted Date : 2008-05-16 14:35:45.0
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