创建spark项目后测试一个“hello word”，遇到一下错误。
Internal error (java.lang.UnsupportedClassVersionError): org/intellij/erlang/jps/model/JpsErlangModelSerializerExtension has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
java.lang.UnsupportedClassVersionError: org/intellij/erlang/jps/model/JpsErlangModelSerializerExtension has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
解决方案：关闭Erlang 插件，然后重启IDEA
步骤：Intel iJ IDEA ->Preferences -> Pluglinis -> (search Erlang) 去掉勾
参考： https://youtrack.jetbrains.com/issue/IDEA-256900
