KeyCloak Server Caused by: java.lang.ClassNotFoundException: java.security.acl.Group

After some research I found the answer to my problem. The problem is that java.security.acl.Group is being deprecated since JRE 9 and marked for removal in future versions. java.security.acl.Group is being replaced by java.security.Policy I was running my Spring-Boot application on JRE 14 in which this class appeared to be no longer available. So once … Read more

What are switch expressions and how are they different from switch statements?

The switch statement: Unlike the if/else if/else statement, a switch statement can have a number of possible execution paths. A switch works with the primitive types, byte, short, char, and int, their respective wrapper types (Byte, Short, Character, and Integer), enumerated types, and the String type1. While an if-else statement is used to test expressions … Read more