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Update "latest" to Java 8 on DockerHub.


This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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


You're using an older version of java with classes compiled for java7


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

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