<AWT Dev> [9] Review request for 8132706 [macosx] Toolkit.getImage() throws NPE for null URL

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Fri Apr 15 19:04:45 UTC 2016


On 15.04.16 21:54, Sergey Bylokhov wrote:
> Also please take a look to the similar bug
> https://bugs.openjdk.java.net/browse/JDK-4358053

As usual I suggest to fail fast, and throw NPE. in Toolkit class and in 
ImageIcon, probably in some other places. The reason is that we already 
do that and I doubt that we can remove NPE when SecManager is installed.

>
>>
>>   Thanks,
>>   Alexandr.
>>
>>>
>>> -phil.
>>>
>>>
>>> On 04/15/2016 11:10 AM, Alexander Scherbatiy wrote:
>>>> On 15/04/16 20:30, Sergey Bylokhov wrote:
>>>>> How the object of URLImageSource(null) will be useful? I guess we
>>>>> will get some unspecified NPE exceptions if will try to call its
>>>>> methods?
>>>>   I know nothing about the URLImageSource(null) usefulness but
>>>> ImageFetcher swallows the NPE during the image loading in the
>>>> fetchloop() method:
>>>> -------
>>>>             try {
>>>>                 src.doFetch();
>>>>             } catch (Exception e) {
>>>>                 System.err.println("Uncaught error fetching image:");
>>>>                 e.printStackTrace();
>>>>             }
>>>> -------
>>>>
>>>>   Thanks,
>>>>   Alexandr.
>>>>>
>>>>> On 15.04.16 18:02, Alexander Scherbatiy wrote:
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Could you review the fix:
>>>>>>    bug: https://bugs.openjdk.java.net/browse/JDK-8132706
>>>>>>    webrev: http://cr.openjdk.java.net/~alexsch/8132706/webrev.00
>>>>>>
>>>>>>    The fix makes the Toolkit.getDefaultToolkit().getImage(URL)
>>>>>> return a
>>>>>> ToolkitImage based on URLImageSource with null url as it was before
>>>>>> the
>>>>>> fix JDK-8011059.
>>>>>>
>>>>>>    Thanks,
>>>>>>    Alexandr.
>>>>>
>>>>>
>>>>
>>>
>>
>
>


-- 
Best regards, Sergey.


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