在jupyter notebook跑上面的代码的时候报错
Py4JJavaError: An error occurred while calling z:org.apache.spark.mllib.api.python.SerDe.pythonToJava.
: java.lang.IllegalArgumentException: Unsupported class file major version 56
解决是参考
https://stackoverflow.com/questions/53583199/pyspark-error-unsupported-class-file-major-version-55
![](https://img2018.cnblogs.com/blog/1497264/201907/1497264-20190715120629864-923420695.png)
java的版本不对。在配置spark的时候(参考我之前的博客)安装了jdk12.0,但是实际上需要安装jdk-8u211(8开头的)
安装完之后注意修改JAVA_HOME的路径
注意时间变化,15号就是我解决这个问题的日期。15号新装的
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
![](https://img2018.cnblogs.com/blog/1497264/201907/1497264-20190715120526294-1634862493.png)
然后就成功跑通了