[OpenJDK 2D-Dev] Review Request for JDK-8044289 : In ImageIO.read() and write() NPE is not handled properly for stream

Jayathirth D V jayathirth.d.v at oracle.com
Wed Mar 16 05:50:56 UTC 2016

Hi Phil,All


Please review the following fix in JDK9:


Bug : https://bugs.openjdk.java.net/browse/JDK-8044289 


Webrev : http://cr.openjdk.java.net/~jdv/8044289/webrev.00/ 


Issue : When createImageInputStream() or createImageOutputStream returns null in ImageIO.read() or ImageIO.write() we are seeing NPE as it stream is used further without null check.


Root cause : "stream" is used without checking whether it is null or not.


Solution : Handle null pointer of stream and throw IIOException.


Test case contains all possible scenarios where createImageInputStream() or createImageOutputStream can return null.




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