Fix 1.21.9+ adapter loading for older versions (#3333)

SirYwell · web-flow · commit 43ae192accd6 · 2025-10-13T19:39:18.000Z
diff --git a/worldedit-bukkit/adapters/adapter-1_21_9/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_21_9/PaperweightAdapter.java b/worldedit-bukkit/adapters/adapter-1_21_9/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_21_9/PaperweightAdapter.java
@@ -216,6 +216,9 @@ public PaperweightAdapter() throws NoSuchFieldException, NoSuchMethodException {
         CraftServer.class.cast(Bukkit.getServer());
 
         int dataVersion = SharedConstants.getCurrentVersion().dataVersion().version();
+        if (dataVersion < Constants.DATA_VERSION_MC_1_21_9) {
+            throw new UnsupportedClassVersionError("Not 1.21.9 or higher!");
+        }
         if (dataVersion != Constants.DATA_VERSION_MC_1_21_9 && dataVersion != Constants.DATA_VERSION_MC_1_21_10) {
             logger.warning(WRONG_VERSION);
         }

Original file line number	Diff line number	Diff line change
`@@ -216,6 +216,9 @@ public PaperweightAdapter() throws NoSuchFieldException, NoSuchMethodException {`
`216`	`216`	`CraftServer.class.cast(Bukkit.getServer());`
`217`	`217`
`218`	`218`	`int dataVersion = SharedConstants.getCurrentVersion().dataVersion().version();`
	`219`	`+ if (dataVersion < Constants.DATA_VERSION_MC_1_21_9) {`
	`220`	`+ throw new UnsupportedClassVersionError("Not 1.21.9 or higher!");`
	`221`	`+ }`
`219`	`222`	`if (dataVersion != Constants.DATA_VERSION_MC_1_21_9 && dataVersion != Constants.DATA_VERSION_MC_1_21_10) {`
`220`	`223`	`logger.warning(WRONG_VERSION);`
`221`	`224`	`}`