[bugfix] fix ConnectionCommonCache possible npe (#1959)

apache · May 11, 2024 · 133a783 · 133a783
1 parent 78ca5ae
commit 133a783
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.../main/java/org/apache/hertzbeat/collector/collect/common/cache/ConnectionCommonCache.java b/.../main/java/org/apache/hertzbeat/collector/collect/common/cache/ConnectionCommonCache.java
@@ -219,6 +219,9 @@ public void removeCache(T key) {
         timeoutMap.remove(key);
         C value = cacheMap.remove(key);
         try {
+            if (value == null) {
+                return;
+            }
             value.close();
         } catch (Exception e) {
             log.error("connection close error: {}.", e.getMessage(), e);