use this val data = sc.textFile("/home/spark/data.txt") this should work and set master as local. Input path does not exist解决方法 spark-submit --master local 即可解决! 参考:https://stackoverflow.com/questions/41339127/how-to-load-local-file-using-sc-tex

spark版本:1.6.1 scala版本:2.10 问题呢场景: 在idea调试本地程序的时候创建hiveContext报错,上午的时候是没有这个问题的,下午在项目中写了一个小deamon,出现了而这个问题,下面是我的代码: import cn.com.xxx.common.config.SparkConfig import org.apache.spark.sql.hive.HiveContext object test{ def main(args: Array[String]): Uni

spark用的是cdh spark-2.0.1 package main.scala import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} /* Created by tomtang on 2016/12/16. */ object tomhelloworld { def FILE_NAME:String = "word_count_results_" def main(arg

1.下载spark,python包 略 2.环境变量配置 打开 ~/.bashrc配置文件 如图添加下列环境变量及path 3.退出配置文件,输入 source ~/.bashrc 来执行你添加的一些配置 4. vim test.py from pyspark import SparkContext sc = SparkContext(master = 'local[2]', appName = 'test_4') logFile = "/home/grid/qzd/test_1/spark-2

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

一.情况描述 使用idea +scala+spark,运行程序代码如下: package cn.idcast.hello import org.apache.spark.rdd.RDD import org.apache.spark import org.apache.spark.SparkConf import org.apache.spark.SparkContext /** * Author itcast * Desc 演示Spark入门案例-WordCount */ object Wor

如果你遇到报错如下: MissingComponentException: There is no 'AudioSource' attached to the "Level-2-bg" game object, but a script is trying to access it. You probably need to add a AudioSource to the game object "Level-2-bg". Or your script needs

转载自:IT学习者-螃蟹 一个方法A使用了Scanner,在里面把它关闭了.然后又在方法B里调用方法A之后就不能再用Scanner了Scanner in = new Scanner(System.in); 测试代码如下: import java.util.Scanner; /** * * @author IT学习者-螃蟹 * * */ public class ItxxzScanner { //第一次输入 public void FistTime (){ Scanner sc = new Sca

spark 2.1.1 一 问题重现 问题代码示例 object MethodPositionTest { val sparkConf = new SparkConf().setAppName("MethodPositionTest") val sc = new SparkContext(sparkConf) val spark = SparkSession.builder().enableHiveSupport().getOrCreate() def main(args : Arra

这是我的初始报错的代码: )) begin select sc.* from sc where sno= student_no end; 会报这个错误,“Error Code: 1064. You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'end' at line 6问题” 解决

今天使用Eclipse+Maven建立了一个Javaweb工程,并在eclipse中配置了Web容器Jboss eap 6.2.新建jsp页面,添加一个简单 的Java类.可是,JSP页面顶端出现“红色”的报错信息:The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path.原来Javaweb工程类中没有添加Web 容器Runtime相关类导致. 错误提示:

1.执行Spark运行在yarn上的命令报错 spark-shell --master yarn-client,错误如下所示: // :: ERROR SparkContext: Error initializing SparkContext. org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application

zabbix报错 https://www.cnblogs.com/losbyday/category/876878.html作者总结的很全棒 1.在启动zabbix-agent 时系统日志输出 PID file /run/zabbix/zabbix_agentd.pid not readable (yet?) after star zabbix-agent.service never wrote its PID file. Failing 重启zabbix-agent服务依旧不能正常启动,查看/

抓取https网页时,报错sun.security.validator.ValidatorException: PKIX path building failed 解决办法 原因是https证书问题,java抓取时忽略掉证书才能访问.jsoup在调用前先执行下以下忽略证书请求就可以了. try { //先调用下忽略https证书的再请求才可以 HttpsUrlValidator.retrieveResponseFromServer(url); doc = Jsoup .connect(url)

Activity  A   -----值------->  Activity  B   -----值----->  Activity  A     场景:当A跳转到B,再从B直接点击返回按钮时,报错. package com.itheima.smsSender; import android.os.Bundle; import android.telephony.gsm.SmsManager; import android.view.View; import android.view.View

说明: spark --version : 2.2.0 我有两个json文件,分别是emp和dept: emp内容如下: {"name": "zhangsan", "age": 26, "depId": 1, "gender": "male", "salary": 20000} {"name": "lisi", "ag

action1:tomcat7w.exe里面path to executable不是当前所用的tomcat(可执行文件路径是你以前使用过的tomcat路径,导致启动服务报错:找不到可执行文件) 解决办法:运行regedit打开注册表:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\services\Tomcat7 修改ImagePath项即可.有时候不重启就可以,如果不生效,则重启电脑. action2:启动tomcat服务报错 卸载服务后重新安装服务: a.管理

// :: WARN RandomBlockReplicationPolicy: Expecting replicas with only peer/s. // :: WARN BlockManager: Block input-- replicated to only peer(s) instead of peers // :: ERROR Executor: Exception ) java.lang.AssertionError: assertion failed at scala.Pre

> sc <- sparkR.init() Re-using existing Spark Context. Please stop SparkR with sparkR.stop() or restart R to create a new Spark Context > sqlContext <- sparkRSQL.init(sc) > df <- createDataFrame(sqlContext, faithful) 17/03/01 15:05:56 IN

CREATE TABLE json_nested_test ( count string, usage string, pkg map<string,string>, languages array<string>, store map<string,array<map<string,string>>>) ROW FORMAT SERDE 'org.apache.hive.hcatalog.data.JsonSerDe' STORED AS TE

当使用./spark-shell 命令报错 Caused by: ERROR XJ040: Failed to start database @476fde05, see the next exception for details. at org.apache.derby.iapi.error.StandardException.newException(Unknown Source) at org.apache.derby.impl.jdbc.SQLExceptionFactory.wrap