报错如下: 300 [main] DEBUG org.apache.hadoop.util.Shell - Failed to detect a valid hadoop home directory java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set 解决办法一: 根据 http://blog.csdn.net/baidu_19473529/article/details/54693523 配置hadoop_home变…

平时一般是在windows环境下进行开发,在windows 环境下操作hbase可能会出现异常(java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries.),以前也遇到过这个问题,今天又有小伙伴遇到这个问题,就顺带记一笔,异常信息如下: 2016-05-23 17:02:13,551 WARN [org.apache.hadoop.util.NativeCodeLoa…

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…

在已经搭建好的集群环境Centos6.6+Hadoop2.7+Hbase0.98+Spark1.3.1下,在Win7系统Intellij开发工具中调试Spark读取Hbase.运行直接报错: ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 15/06/11 15:35:50 ERROR Shell: Failed to locate the winutils binary in the…

hive> select product_id, track_time from trackinfo limit 5; Total MapReduce jobs = 1 Launching Job 1 out of 1 Number of reduce tasks is set to 0 since there's no reduce operator org.apache.hadoop.ipc.RemoteException: java.io.IOException: java.io.IOEx…

运行 mport org.apache.log4j.{Level, Logger} import org.apache.spark.rdd.RDD import org.apache.spark.{SparkConf, SparkContext} /** * Created by Lee_Rz on 2017/8/30. */ object SparkDemo { def main(args: Array[String]) { Logger.getLogger("org.apache.spark…

最近在学习研究pyspark机器学习算法,执行代码出现以下异常: 19/06/29 10:08:26 ERROR Shell: Failed to locate the winutils binary in the hadoop binary pathjava.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries.at org.apache.hadoop.util.Shel…

Windows系统中的IDEA链接Linux里面的Hadoop的api时出现的问题 提示:ERROR util.Shell: Failed to locate the winutils binary in the hadoop binary path java.io.IOException 虽然程序任然能够正常的运行,但是Run页面不停的提示错误信息也是够烦的. 问题原因:在windows环境下没有配置hadoop环境的原因. 解决方法如下(以hadoop-2.6.5版本为例):1.将在linu…

昨晚突然之间mr跑步起来了 jps查看 进程都在的,但是在reduce任务跑了85%的时候会抛异常 异常情况如下: 2016-09-21 21:32:28,538 INFO [org.apache.hadoop.mapreduce.Job] - map 100% reduce 84% 2016-09-21 21:32:30,623 INFO [org.apache.hadoop.mapred.LocalJobRunner] - reduce > reduce 2016-09-21 21:32:3…

在master(即:host2)中执行 hadoop jar hadoop-test-1.1.2.jar DFSCIOTest -write -nrFiles 12 -fileSize 10240 -resFile test 最后fail,为啥,看了一下日志 org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /benchmarks/TestDFSIO/io_data/test_io_0 could only be r…