Java Swing Arabic text reversed direction

Question

I had a correctly working/displaying Java Swing app that manipulated text IO in Arabic. Suddenly today, I find every Arabic text word displayed in reverse direction on my MacBook Pro with a Java8u171. To verify it's not something wrong with my programs, I recreated the app on the Oracle Tutorial page and ran it on my laptop. To my surprise, I am getting the same reversed display! Namely, instead of getting this correct image shown below (extracted from the referenced tutorial page):

I am getting this one instead when I build the app as is and run on my laptop:

Could anybody shed light on what happened here please? Thank you.

Can you share a bit of your code? The part where you set the orientation. — LppEdd
– LppEdd, Commented Mar 4, 2019 at 20:27
I can confirm everything works fine on Windows, with minor release 181 — LppEdd
– LppEdd, Commented Mar 4, 2019 at 20:38
Try with the latest 8.* release, if it happens, open a bug report on the OpenJDK bug system or via the Oracle page bugreport.java.com/bugreport — LppEdd
– LppEdd, Commented Mar 4, 2019 at 20:40
Thank you so much for your verification! Indeed it may just be a bug in the u171 release. Will adjust, try different releases and report back. — mohsenmadi
– mohsenmadi, Commented Mar 4, 2019 at 21:06
Anything Arabic is all garbled, but, updating to Java 11 (or anything past 8 really) could be a fix. Thanks for your pointing about Java releases. — mohsenmadi
– mohsenmadi, Commented Mar 4, 2019 at 22:07

mohsenmadi · Accepted Answer · 2019-03-04 22:06:04Z

1

If you're using a Windows based computer, you're probably fine according to the comments in the original post. For your Mac OS'ers, you need to step away from Java 8 entirely and into Java 11 (or newer going forward). Testing with that gives the desired look shown below. I tested this with my own apps on JTextPane and all those input text components, we're back in business :-)

answered Mar 4, 2019 at 22:06

mohsenmadi

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2 Comments

mohsenmadi Over a year ago

The app works from within the NetBeans IDE. However, when I generate the executable JAR, the reversed display is back again :-( Something the Netbeans environment provides that's missing in the JAR file.

LppEdd Over a year ago

That is really strange. I'll try on Linux tomorrow morning, just out of curiosity

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