fix: Exception caused by null tiles

When cache[0] is null, it reaches RuntimeException("Not a Raster instance?") line.
ktgw0316 · Dec 16, 2023 · a3bfbda · a3bfbda
1 parent 120e92b
commit a3bfbda
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lightcrafts/src/main/java/com/lightcrafts/jai/utils/LCTileScheduler.java b/lightcrafts/src/main/java/com/lightcrafts/jai/utils/LCTileScheduler.java
@@ -743,7 +743,7 @@ public Raster scheduleTile(OpImage owner,
         } else {
             // Check the cache: a null value indicates computation is
             // still in progress.
-            if(cache[0] == null) {
+            while (cache[0] == null) {
                 // Wait for the computation to complete.
                 try {
                     cache.wait(); // XXX Should there be a timeout?