eclipse运行hadoop程序报错:Connection refused: no further information log4j:WARN No appenders could be found for logger (org.apache.hadoop.conf.Configuration.deprecation). log4j:WARN Please initialize the log4j system properly. log4j:WARN See http://logging
1.TNS-00525: Insufficient privilege for operation Started with pid= Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora11g)(PORT=))) Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) TNS-: TNS:permission denied TNS-:
之前遇到一个问题,在Pycharm或IPython之类的IDE上运行脚本正常,但是直接运行或cmd命令行运行的时候报了模块未能找到的错误--ImportError: No Module named .... 这是啥情况? Python在启动解释器(Interpreter)的时候不光会导入环境变量中sys.path发现的模块,还会导入当前工作目录下的模块.当你在IDE中启动解释器时,当前的工作目录就是项目目录,能顺利调用同项目中的模块:但是当你通过命令行启动时,当前工作目录为你启动解释器时所在的目
Oracle SQL Developer连接报错(ORA-12505) 之前我的Oracle数据库出现问题,费大波周折终于弄好了,今天又创建了一个DBA管理员的连接方式出现问题,本人现在把解决方案分享给大家,希望对你们有用. 连接时报错码:Listener refused the connection with following error:ORA-12505,TNS:listener...... 确定这是连接数据库的SID错误, 解决方法: 1.知道你的SID名:可以再注册表中查找,也可以通
按照文档:http://www.micmiu.com/bigdata/hadoop/hadoop2x-eclipse-mapreduce-demo/安装配置好Eclipse后,运行WordCount程序报错: log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory). log4j:WARN Please initialize the log4j
Oracle 12c SQL Developer连接报错(ORA-12505) 连接时报错码:Listener refused the connection with following error:ORA-12505,TNS:listener...... 这是连接数据库的SID错误, 解决方法: 1.知道你的SID名:可以再注册表中查找,也可以通过借助Oracle的sqlplus工具并以管理员方式连接敲命令查看:select instance_name from v$instance;必须是管
Mysql远程连接报错:SQL Error (1130): Host '192.168.0.18' is not allowed to connect to this MySQL server 通过SQLyog连接linux中的MySQL报错问题: SQL Error (1130): Host '192.168.0.18' is not allowed to connect to this MySQL server 说明你所连接的用户账户没有远程连接的权限,只能在本机localhost登
情况:根据https://github.com/rebeccahughes/react-native-device-info添加依赖库,运行.xcworkspacea项目后报错 解决:Delete node modules, then run npm install (or better yet yarn) and after everything has finished downloading, run react-native upgrade which should give you t