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/5…
今天小编用Python编写Spark程序报了如下异常: py4j.protocol.Py4JJavaError: An error occurred while calling z:org.apache.spark.api.python.PythonRDD.collectAndServe.: java.lang.IllegalArgumentException: Unsupported class file major version 55 从网上找到的解决方案是JDK版本问题,于是乎小编将Ja…
若要转载本文,请务必声明出处:https://www.cnblogs.com/zhongyuanzhao000/p/11686633.html 起因: 最近正在尝试SonarQube的简单使用,但是当在项目的根目录执行命令sonar-scanner时,出现了报错如下: ERROR: Unable to create symbol table for : /usr/local/workspace/simple-java-maven-app/src/main/java/com/mycompany/a…
在jar包中,用winrar解压一个类文件,然后在命令行下面输入 javap -verbose classname 会输出一些信息,大致如下: Compiled from "HtmlCrawer.java" public class org.eagleeye.html.HtmlCrawer extends java.lang.Object SourceFile: "HtmlCrawer.java" minor version: 0 major version: 50…
[问题描述] RPCVersionCapError: Requested message version, 4.17 is incompatible. It needs to be equal in major version and less than or equal in minor version as the specified version cap 4.11. 2019-08-16 10:33:21.706 35 ERROR nova.api.openstack.extension…
