libs/granite/ui/components/shell/header/user/User has been compiled by a more recent version of the Java Runtime (class file version 53.0), this version of the Java Runtime only recognizes class file versions up to 52.0
Specific corresponding version:
JDK 1.1 = 45 JDK 1.2 = 46 JDK 1.3 = 47 JDK 1.4 = 48 Java SE 5.0 = 49 Java SE 6.0 = 50 Java SE 7 = 51 Java SE 8 = 52 Java SE 9 = 53 Java 10 = 54 Java 11 = 55 Java 12 = 56 …
So the question is, how to replace the version?
First of all, the easiest way is to check whether java has been installed through the command: java -version
View the java package of yum source: yum list java*
Install java108jdk software: yum -y install java-1.8.0-openjdk****
Verify that the installation is successful, check the java version: java -version