JProgressBar is always painted with border irrespective of the value set via the API `setBorderPainted(boolean value)` in Synth (Nimbus and GTK) LAF. Proposed fix is to add a check before painting the component.
CI jobs are green after the fix. Links attached to JBS. ------------- Commit messages: - ProgressBar border paint fix Changes: https://git.openjdk.org/jdk/pull/16467/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16467&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8224261 Stats: 166 lines in 2 files changed: 163 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/16467.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16467/head:pull/16467 PR: https://git.openjdk.org/jdk/pull/16467
