转:http://www.sharepointblues.com/2010/09/01/sharepoint-security-and-permission-system-overview/ SharePoint Permission and Security Mechanisms From time to time, our customers ask us about how SharePoint security and permission features work, and how…

1:初学hadoop遇到各种错误,这里贴一下,方便以后脑补吧,报错如下: 主要是在window环境下面搞hadoop,而hadoop部署在linux操作系统上面:出现这个错误是权限的问题,操作hadoop是虚拟机的主机用户不是window的主机用户Administrator,所以出现下面的错误,解决办法如下所示(或者修改文件的权限,即所有者都可以进行可读,可写,可执行): log4j:WARN No appenders could be found for logger (org.apache.…

保存文件时权限被拒绝 曾经踩过的坑: 保存结果到hdfs上没有写的权限 通过修改权限将文件写入到指定的目录下 * * * $HADOOP_HOME/bin/hdfs dfs -chmod 777 /user * * * Exception in thread "main" org.apache.hadoop.security.AccessControlException: * Permission denied: user=Mypc, access=WRITE, * inode=&qu…

import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; public class TestHDFS { public static void main(String[] args) throws Exception{ Configuration conf = new Configuration(); conf.set…

VisualStudio 2013创建控制台项目,.NetFramework选为4.5.生成目标平台:x64.然后添加对Microsoft.SharePoint.dll的引用. 生成项目时,"错误列表"报告了如下警告: 发现同一依赖程序集的不同版本间存在冲突.请将项目文件中的"AutoGenerateBindingRedirects"属性设置为 true.有关详细信息,请参阅 http://go.microsoft.com/fwlink/?LinkId=294190…

异常: org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkFsPermission(DefaultAuthoriza…

org.apache.hadoop.security.AccessControlException: Permission denied: user=xxj, access=WRITE, inode="user":hadoop:supergroup:rwxr-xr-x sulution:added this entry to conf/hdfs-site.xml <property><name>dfs.permissions</name><va…

请求“Microsoft.SharePoint.Security.SharePointPermission, Microsoft.SharePoint.Security, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c”类型的权限已失败." 解决方法: sharepoint 站点下web.config 将trust level设置为"Full" 或 "WSS_Medium"…

描述:在Windows下使用Eclipse进行Hadoop的程序编写,然后Run on hadoop 后,出现如下错误: 11/10/28 16:05:53 INFO mapred.JobClient: Running job: job_201110281103_000311/10/28 16:05:54 INFO mapred.JobClient: map 0% reduce 0%11/10/28 16:06:05 INFO mapred.JobClient: Task Id : attemp…

假设远程提交任务给Hadoop 可能会遇到 "org.apache.hadoop.security.AccessControlException:Permission denied: user=..." , 当然,假设是spark over YARN, 也相同会遇到相似的问题,比如:  An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext. : org.apache.hadoop.…