[proxima-direct-core] fix corner-case exception

datadrivencz · Sep 19, 2023 · 661627c · 661627c
1 parent 724ad64
commit 661627c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/direct/core/src/main/java/cz/o2/proxima/direct/core/view/TimeBoundedVersionedCache.java b/direct/core/src/main/java/cz/o2/proxima/direct/core/view/TimeBoundedVersionedCache.java
@@ -221,7 +221,7 @@ synchronized boolean put(
             }
           }
           long first;
-          while ((first = valueMap.firstKey()) + keepDuration < stamp) {
+          while (!valueMap.isEmpty() && (first = valueMap.firstKey()) + keepDuration < stamp) {
             valueMap.remove(first);
           }
           return attrMap;