I prefer meaningful test names .. the bug id is already in the @bug tag
and a test can later be updated to test > 1 bug.
Did you verify that you are in fact capturing stderr - even in
othervm mode - when running the test under jtreg ?
Even when setting up a new VM jtreg may capture this for you.
-phil.
On 07/05/2016 04:42 AM, Ajit Ghaisas wrote:
Thanks Jim for suggesting test should have its own VM. I agree with it.
Here is the updated webrev :
http://cr.openjdk.java.net/~aghaisas/8160421/webrev.01/
Phil, can you please review it?
Regards,
Ajit
-----Original Message-----
From: Jim Graham
Sent: Friday, July 01, 2016 5:13 AM
To: Ajit Ghaisas; Philip Race; Sergey Bylokhov; 2d-dev
Subject: Re: [OpenJDK 2D-Dev] [9] Fix for JDK-8160421 : Regression: JDK-8139192
causes NPE in java.awt.Toolkit.createCustomCursor()
The solution looks fine to me.
I didn't run the test case, but about the only issue I can see with it is
whether it should have a flag to run it in its own VM because of its
interaction with System.err. Phil?
...jim
On 06/30/2016 06:41 AM, Ajit Ghaisas wrote:
Hi,
Bug :
This is regarding a NPE getting printed as stacktrace in
java.awt.Toolkit.createCustomCursor() method.
The bug is described at :
https://bugs.openjdk.java.net/browse/JDK-8160421
Root Cause :
Fix of bug JDK-8139192 : Custom ImageFilters return blank images in Java
8(.45) while working in 7.
The above fix added a RuntimeException catch & log mechanism to support a
ImageFilter which was broken due to the second imageComplete() call in
OffScreenImageSource.produce() method.
Analysis:
Without the fix of JDK-8139192, java.awt.Toolkit.createCustomCursor()
call results in
NullPointerException when imageComplete(ImageConsumer.STATICIMAGEDONE)
call is made - but, it gets consumed silently.
Cathing RuntimeException() out of
imageComplete(ImageConsumer.STATICIMAGEDONE) was added to fix JDK-8160421.
This started catching & logging the exception in case 'theConsumer' has
unregistered itself as a result of call
theConsumer.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
This log is undesirable as this mechanism is used in
java.awt.Toolkit.createCustomCursor() and may be in other places.
Fix :
Make the call to imageComplete(ImageConsumer.STATICIMAGEDONE) only if
'theConsumer' has not been unregistered.
Webrev:
http://cr.openjdk.java.net/~aghaisas/8160421/webrev.00/
Request you to review.
Regards,
Ajit