Hutool 3.9 — Upd ~upd~

She updated her local repository. The error vanished. But on the production server—running Hutool 3.9—it persisted.

The blank() method in 3.9 had been "optimized" to handle certain Unicode spaces more aggressively. But in doing so, it now called toString() on a CharSequence before checking if the input was null. If the input was null, it exploded. Hutool 3.9 UPD

Could you clarify if you're looking for this for a or if "3.9 UPD" refers to a specific internal project name at your company? I can help you find the exact migration path if you're upgrading. chinabugotech/hutool: A set of tools that keep Java sweet. She updated her local repository