java.lang.UnsupportedClassVersionError: oracle/sysman/assistants/rcu/Rcu : Unsupported major.minor version 52.0

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via Google Groups by Marcus Haebler

Update "latest" to Java 8 on DockerHub.

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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.

Solutions on the web

via Oracle Community by User538247, 1 year ago
oracle/sysman/assistants/rcu/Rcu : Unsupported major.minor version 52.0
via Stack Overflow by Pawan Rawat
, 3 months ago
oracle/ide/osgi/boot/OracleIdeLauncher : Unsupported major.minor version 52.0
via java-forum.org by Unknown author, 2 years ago
com/oracle/javafx/scenebuilder/app/SceneBuilderApp : Unsupported major.minor version 52.0
via Google Groups by Boniek San, 6 months ago
com/oracle/javafx/scenebuilder/app/SceneBuilderApp : Unsupported major.minor version 52.0
via Google Groups by Lev Serebryakov, 6 months ago
com/oracle/javafx/scenebuilder/app/SceneBuilderApp : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: oracle/sysman/assistants/rcu/Rcu : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

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