Attempting to run http://spark.apache.org/docs/latest/quick-start.html#a-standalone-app-in-scala from source. This line val wordCounts = textFile.flatMap(line => line.split(" ")).map(word => (word, 1)).reduceByKey(_+_) reports compile valu…

spark wordcount程序 IllegalAccessError错误 这个错误是权限错误,错误的引用方法,比如方法中调用private,protect方法. 当然大家知道wordcount业务很简单,都是调用依赖的方法,最后在一篇博客讲了错误:spark 2.2 读取 Hadoop3.0 数据异常 我试了下,解决了,我没有像他依赖那么多. Exception in thread "main" java.lang.IllegalAccessError: class org.apa…

Spark程序编译报错: [INFO] Compiling 2 source files to E:\Develop\IDEAWorkspace\spark\target\classes at 1567004370534[ERROR] E:\Develop\IDEAWorkspace\spark\src\main\scala\cn\itcast\wordCount\WordCount.scala:3: error: object apache is not a member of package…

1.Wordcount.scala(本地模式) package com.Mars.spark import org.apache.spark.{SparkConf, SparkContext} /** * Created by Mars on 2017/1/11. */ object Wordcount { def main(args: Array[String]) { val conf = new SparkConf().setAppName("SparkwordcountApp")…

Spark WordCount的两种方式. 语言:Java 工具:Idea 项目:Java Maven pom.xml如下: <properties> <spark.version>1.2.0</spark.version> </properties> <dependencies> <dependency> <groupId>org.apache.spark</groupId> <artifactId&g…

Scala所需依赖 <dependency> <groupId>org.scala-lang</groupId> <artifactId>scala-library</artifactId> <version>2.11.8</version> </dependency> Scala WordCount代码 val source: List[String] = Source.fromFile("./sr…

vs2015 update3 新建的xamarin.forms项目中的android项目编译错误.提示缺少android_m2repository_r22.zip,96659D653BDE0FAEDB818170891F2BB0.zip等类似错误. Error Download failed. Please download https://dl-ssl.google.com/android/repository/android_m2repository_r22.zip and put it t…

今天在更新项目后进行编译时,出现如下错误一堆: 编译错误 Google之,在stackoverflow上看到如下的解决方法: I came here with the same problem. Even worse: I had two projects side by side, both targetting the same JRE (1.6), and one was able to resolve Node.getTextContent() while the other wasn'…

asp.net 编译错误类型“同时存在于”不同的dll中. 出现这种错误大概有三种情况: 1.ASPX页面,一个*.ASPX,对应着一个*.cs文件,两者其实是一个文件,通过两者实现代码分离,每个*.aspx页面都引用着自身的CS文件:如果两个页面引用了相同得.CS文件,在发布得时候也会出现这种错误. 2.估计是在Bin里面还有一个老版本的DLL,而新版的DLL名字换掉了,新的覆盖不掉老的,并存在BIN里时,有可能会发生这种情况. 解决方案:把BIN里的手动删掉,C:\WINDOWS\Micro…

VS2010出现FileTracker : error FTK1011不知道是不是vs2010的一个bug,反正有人提交了. FileTracker : error FTK1011编译错误的解决办法有三个,推荐使用第二个 方法一:把目标框架改为Framewotk=4.0方法二:新增环境变量TRACKFILEACCESS=false:操作步骤:右击"我的电脑"(或"计算机")-->"高级"-->"环境变量"-->…