OSX上的Hadoop“无法从SCDynamicStore加载领域信息” [英] Hadoop on OSX "Unable to load realm info from SCDynamicStore"

问题描述

无法从SCDynamicStore加载领域信息
放置在OSX 10.7上的Hadoop启动时出现此错误：org.apache.hadoop.hdfs.server.namenode.SafeModeException：无法创建目录/ user / travis / input / conf。名称节点处于安全模式。

它似乎没有引起Hadoop功能的任何问题。

解决方案

Matthew Buckett在HADOOP-7489中的建议对我有用。将以下内容添加到您的hadoop-env.sh文件中：

  export HADOOP_OPTS = -  Djava.security.krb5.realm = OX .AC.UK -Djava.security.krb5.kdc = kdc0.ox.ac.uk：kdc1.ox.ac.uk
  

I am getting this error on startup of Hadoop on OSX 10.7:

Unable to load realm info from SCDynamicStore put: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /user/travis/input/conf. Name node is in safe mode.

It doesn't appear to be causing any issues with the functionality of Hadoop.

解决方案

Matthew Buckett's suggestion in HADOOP-7489 worked for me. Add the following to your hadoop-env.sh file:

export HADOOP_OPTS="-Djava.security.krb5.realm=OX.AC.UK -Djava.security.krb5.kdc=kdc0.ox.ac.uk:kdc1.ox.ac.uk"

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