java.lang.UnsupportedClassVersionError: pro/javacard/gp/GPTool : Unsupported major.minor version 52.0

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube.

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If you're using intellij plugin of sonarqube, you might have to set the JAVA_HOME ambient variable manually.

Solutions on the web

via Stack Overflow by Abraham
, 1 year ago
pro/javacard/gp/GPTool : Unsupported major.minor version 52.0
via GitHub by kgdhost
, 10 months ago
pro/burgerz/bart/Main : Unsupported major.minor version 52.0
via GitHub by QuarkTheAwesome
, 1 year ago
ApplicationGUILauncher : Unsupported major.minor version 52.0
via GitHub by milw
, 1 year ago
minced : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: pro/javacard/gp/GPTool : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)

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