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hadoop 启动时 TaskTracker无法启动 ERROR org.apache.hadoop.mapred.TaskTracker: Can not start task tracker because java.io.IOException: Failed to set permissions of path: \tmp\hadoop-admin \mapred\local\ttprivate to 0700 at org.apache.hadoop.fs.FileUtil.chec
在windows下，使用hadoop-1.0.4自带的hadoop-core-1.0.4.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-519341271\.staging to 0700 上述jar包，是修改了源码FileUtil.java后，编译得到的hadoop-core-1.
该jar包解决了hadoop-1.0.4中的0700问题 ERROR security.UserGroupInformation:PriviledgedActionException as:admin cause:java.io.IOException:Failed to set permissions of path:\home\hadoop\hadoop-1.0.4\data\data\mapred\staging\admin1107758487\.staging to 0700 Exec
在windows下，使用hadoop-1.0.4自带的hadoop-core-1.0.4.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-2070047262\.staging to 0700 上述jar包，是修改了源码FileUtil.java后，编译得到的hadoop-core-1
在windows下，使用hadoop-1.0.2自带的hadoop-core-1.0.2.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-2070047262\.staging to 0700
本包是为了解决在windows下通过cygwin运行hadoop时，执行tasktracker模块时报错Failed to set permissions of path: \mapred\local\ttprivate to 0700，通过修改源代码来解决的包。希望能该问题困扰的童鞋们，提供便利。 注意：仅为了在windows下学习hadoop使用，不建议应用到生产环境。
解决windows下远程调试hadoop权限问题（ ERROR security.UserGroupInformation: PriviledgedActionException as:Administrator cause:java.io.IOException: Failed to set permissions of path:）重新编译了hadoop-core-1.2.1,注释了包中org.apache.hadoop.fs下FileUtil.class中的checkReturnValu
在windows下，使用hadoop-1.0.4自带的hadoop-core-1.0.4.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-519341271\.staging to 0700 上述jar包，是修改了源码FileUtil.java后，编译得到的hadoop-core-1.
针对windows下eclipse远程调试hadoop的权限问题而重新编译的hadoop-core-1.1.1.jar文件，已经测试通过。 原错误提示为：12/04/24 15:32:44 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 12/04/24 15:32:44 ERROR
在windows下，使用hadoop-1.0.4自带的hadoop-core-1.0.4.jar时，会抛出权限异常：cause:java.io.IOException: Failed to set permissions of path: \tmp\hadoop-zhuming\mapred\staging\zhumnig-2070047262\.staging to 0700 hadoop-core-1.0.4-modified.jar包，是修改了源码FileUtil.java后，编译得到的
hadoop-core-1.2.1.jar 在windows下调试hadoop的代码的时候提示 [Hadoop]ERROR security.UserGroupInformation:PriviledgedActionException as:Administrator :java.io.IOException: Failed to set permissions of path 的错误的解决方式。 已经修改了此 jar包，把org/apache/hadoop/fs/FileUtil.java
windows下搭建nutch会遇到Hadoop下FileUtil.java问题，所以我们一般的做法是找到Hadoop-core-1.2.0源码中的org.apache.hadoop.fs下的FileUtil.java修改其中的CheckReturnValue方法，注释掉其中的内容这时运行会遇到错误Exception in thread "main" java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Admi
Win7环境下通过eclipse连接hadoop1.2.1集群时，会遇到如下报错： Exception in thread "main" java.io.IOException: Failed to set permissions of path: \tmp\hadoop-Administrator\mapred\staging\Administrator-519341271\.staging to 0700 解决方案：修改并重编译FileUtil.java 最后打包到hadoop-core-
遇到的问题： ERROR security.UserGroupInformation: PriviledgedActionException as:chuck cause:java.io.IOException: Failed to set permissions of path: 分析问题： 属于windows下的eclipse中访问的权限问题，需要重新打包hadoop-core-1.2.1.jar包，主要是注释 checkReturnValue方法。 环境： eclipse 4.4.2 w
