Issue with drag and drop in Java 8 on Windows (7 and 8) (original) (raw)

Ludovic HOCHET lhochet at gmail.com
Tue Feb 19 14:30:48 PST 2013

Hello, I've been investigating an issue that I am currently having on Windows (7 and 8) with drag and drop in Java 8. The issue I'm having is when I drop a file from Windows explorer onto Netbeans the instance of Windows explorer from which I dragged the file freeze until I close Netbeans. I could reproduce it on the simple TopLevelTransferHandlerDemo from the Java Tutorial [1]. After digging down the JDK8 code and comparing it to JDK7 code, I could find a change in sun.awt.dnd.SunDropTargetContextPeer. Reverting the change fixed the issue. Searching the Mercurial repo [2] for changes in SunDropTargetContextPeer showed that the change was introduced last June [3]. Since it is platform dependent and a fix to another issue, I am unsure at what I can do more.

[1] http://docs.oracle.com/javase/tutorial/uiswing/examples/dnd/TopLevelTransferHandlerDemoProject/src/dnd/TopLevelTransferHandlerDemo.java [2] http://hg.openjdk.java.net/jdk8/jdk8/jdk/summary [3] http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/8326709c6315

Thanks in advance,

Ludovic

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