The "discardingMouseEvents" flag in the SunDragSourceContextPeer class is used on the different threads without any synchronization.
------------- Commit messages: - Update SunDragSourceContextPeer.java Changes: https://git.openjdk.java.net/jdk/pull/491/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=491&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8253681 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/491.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/491/head:pull/491 PR: https://git.openjdk.java.net/jdk/pull/491