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…
今天使用JDBC来操作Hive时,首先启动了hive远程服务模式:hiveserver2 &(表示后台运行),然后到eclipse中运行程序时出现错误: java.sql.SQLException: Could not open client transport with JDBC Uri: jdbc:hive2://192.168.182.11:10000/default: Failed to open new session: java.lang.RuntimeException: org.…
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…
Hive执行count函数失败 1.现象: 0: jdbc:hive2://192.168.137.12:10000> select count(*) from emp; INFO : Number of reduce tasks determined at compile time: 1 INFO : In order to change the average load for a reducer (in bytes): INFO : set hive.exec.reducers.bytes…
安装时提示错误,Your 64-bit Linux host is missing the 32-bit libraries requied to install and use Sourcery CodeBench 这时需要安装32位模拟器 sudo apt-get install ia32-libs 继续安装codesourcery(在运行之前需把arm-2013.11-xxx.bin添加运行属性,用命令 chmod +x arm-2013.11-xxx.bin ,这样它的名字变成绿色的了)…
版权声明:本文为 testcs_dn(微wx笑) 原创文章,非商用自由转载-保持署名-注明出处,谢谢. https://blog.csdn.net/testcs_dn/article/details/51406712 使用图形界面管理工具Navicat for MySQL连接Mysql数据库时提示错误:Can't connect to MySQL server (10060) 问题原因: 导致些问题可能有以下几个原因: 1.网络不通: 2.服务未启动: 3.防火墙端口未开放: 解决方法: 启动服…
安装过好几次,这是第一次遇到运行jmeter.bat时 提示 not able to find java executable or version Please check your Java installation . errorlevel=2Not able to find Java executable or version. Please check 第一:以为配置环境变量有问题,检验了一遍环境变量是没问题的 第二 :以为JDK安装有问题,百度上说是因为JRE 和 JAVA 文件不是…
spark 2.1.1 spark在写数据到hive外部表(底层数据在hbase中)时会报错 Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.hbase.HiveHBaseTableOutputFormat cannot be cast to org.apache.hadoop.hive.ql.io.HiveOutputFormat at org.apache.spark.sql.hive.SparkHiveWrit…
15/03/18 09:59:21 INFO mapreduce.Job: Task Id : attempt_1426641074924_0002_m_000000_2, Status : FAILED Error: org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block: BP-35642051-192.168.199.91-1419581604721:blk_1073743091_2267 file=/fil…
今天用Eclipse创建Maven多模块项目的时候提示错误: could not resolve archetype ******release from any of the configured repositories 这个问题网上主要是两个解决方案: 1.是修改setting.xml文件 详情请见:http://www.cnblogs.com/dingyingsi/p/3616802.html 2.是添加新的Catalog配置 详情请见:http://blog.csdn.net/afga…
错误: 14/04/29 02:45:07 INFO mapreduce.Job: Job job_1398704073313_0021 failed with state FAILED due to: Application application_1398704073313_0021 failed 2 times due to Error launching appattempt_1398704073313_0021_000002. Got exception: org.apache…
错误: org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find any valid local directory for 原因: 两种可能,hadoop.tmp.dir或者data目录存储空间不足 解决办法: 看了一下我的dfs状态,data使用率不到40%,所以推测是hadoop.tmp.dir空间不足,导致无法创建Jog临时文件.查看core-site.xml发现没有配置hadoop.tmp.dir,因此使…