Fix for CVE-2019-17572 in apache/rocketmq (project apache__rocketmq_CVE-2019-17572_4.6.0), commit f8f6fbe4aa7f5dee937e688322628c366b12a552
Fixed file: common/src/main/java/org/apache/rocketmq/common/UtilAll.java
Fixed class: UtilAll (lines 49-598)
Fixed method: List2String (lines 583-595)
Method signature: String List2String(List,String)