If you're running java8, you can try adding the following flag to the java command:
More on that here:
https://bugs.openjdk.java.net/browse/JDK-8068529
I had a similar issue with TOS. That fixed it.
Code:
-Dsun.java2d.xrender=falseMore on that here:
https://bugs.openjdk.java.net/browse/JDK-8068529
I had a similar issue with TOS. That fixed it.