ignore empty blacklist pattern

apache · Mar 10, 2020 · bada690 · bada690
1 parent 5a6a069
commit bada690
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/dubbo-common/src/main/java/com/alibaba/dubbo/common/utils/SerialDetector.java b/dubbo-common/src/main/java/com/alibaba/dubbo/common/utils/SerialDetector.java
@@ -107,7 +107,9 @@ static final class BlacklistConfiguration {
                         blacklist = loadBlacklistFile(blacklistFile);
                     }
                 }
-                blacklistPattern = new PatternList(Constants.COMMA_SPLIT_PATTERN.split(blacklist));
+                if (StringUtils.isNotEmpty(blacklist)) {
+                    blacklistPattern = new PatternList(Constants.COMMA_SPLIT_PATTERN.split(blacklist));
+                }
             } catch (Throwable t) {
                 logger.warn("Failed to initialize the Serialization Security Checker component!", t);
             }