Hi, Please review the fix for the following issue.
https://bugs.openjdk.java.net/browse/JDK-6470126 diff -r 53568400fec3 src/java.base/share/classes/java/util/jar/Attributes.java --- a/src/java.base/share/classes/java/util/jar/Attributes.java Thu Mar 26 15:26:51 2020 +0000 +++ b/src/java.base/share/classes/java/util/jar/Attributes.java Mon May 11 15:00:01 2020 +0530 @@ -205,7 +205,10 @@ * @return true if this Map contains the specified attribute name */ public boolean containsKey(Object name) { - return map.containsKey(name); + if(String.class.isInstance(name)) + return map.containsKey(Name.of((String)name)); + else + return map.containsKey(name); } /** Thanks & Regards Vipin Menon