Merge pull request #1970 from utmstack/hotfix/index_removal

fix[backend](index-removal): fixed compilation errors on index removal

Author: osmontero

backend/src/main/java/com/park/utmstack/service/index_policy/IndexPolicyService.java

@@ -18,6 +18,7 @@
 import org.springframework.util.StringUtils;
 
 import java.util.List;
+import java.util.Arrays;
 import java.util.Map;
 import java.util.Optional;
 
@@ -56,7 +57,7 @@ public boolean isIndexRemovable(String index) {
                 JsonObject json = new Gson().fromJson(body, JsonObject.class);
                 if (json != null && json.has(index)) {
                     JsonObject indexInfo = json.getAsJsonObject(index);
-                    String state = this.getCurrentState(indexInfo)
+                    String state = this.getCurrentState(indexInfo);
                     if (state != null) {
                         return Constants.STATE_DELETE.equals(state) || Constants.STATE_SAFE_DELETE.equals(state);
                     }