java.io.FileNotFoundException: /home/hadoop/hadoop/dfs/namenode/current/VERSION (Permission denied)

问题描述:Linux虚拟机内使用hadoop 解决方案: 1 $ su 2 密码:****** 3 # chown hadoop 文件名 进入超级管理员,为hadoop用户分配该文件的权限. 完美解决: 原文地址:https://www.cnblogs.com/mawangwang/p/11218709.html

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

之前”用Scala+Play构建地理数据查询接口”那篇文章里,用到的数据是json格式的文本文件area.json,存放在conf/jsons文件夹下.最开始是放在public/文件夹下,在线上准生产模式下运行: activator dist 得到mosquito-1.0.zip压缩包,解压后: 去/bin目录下运行mosquito脚本报错: java.io.FileNotFoundException 然后就去解压的mosquito-1.0/看发现并没有public文件夹,由此可见public文

keytool 错误: java.io.FileNotFoundException: 拒绝访问 打开命令行,切换到D:\AndroidStudioProjects\MyApplication\app目录 keytool 在JDK的/bin目录下,比如:/opt/jdk/bin 用以下的命令生成一个证书: keytool -genkey -alias android.key -keyalg RSA -validity 20000 -keystore android.key 老是报如题的错误: 后来

<context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> 注意这段配置尽量写在靠前的位置,因为在tomcat启动后web项目会先初始化上下文,我们这段配置正是指定了上下文配置的文件位置,在上下文初始化完成之后才应当继

1.错误描述 java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.DefaultTestContext.

严重: Failed to destroy the filter named [struts2] of type [org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter]java.lang.IllegalStateException: java.io.FileNotFoundException: E:\apache-tomcat-8.0.37\webapps\20170317-JavaEE-SSH\WEB-IN

com.exception.DaoException: java.io.FileNotFoundException: D:\Users\liuyangOS2237\Workspaces\MyEclipse%2010\Zhuce\WebRoot\WEB-INF\classes\users.xml (系统找不到指定的路径.) at com.dao.impl.UserDaoDom4jImpl.addUser(UserDaoDom4jImpl.java:84) at com.test.UserDaoDo

今天启动web 项目出现错误提示: java.io.FileNotFoundException: [WEB-INF/spring-servlet.xml] cannot be opened because it does not exist 没有找到问题原因: resource目录是存在:spring-servlet.xml 配置文件