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Hadoop,

Hadoop,


/root/hadoop/bin/hdfs: line 204: /opt/jdk/bin/java: No such file or directory /root/hadoop/bin/hdfs:

原创 2016年04月07日 15:30:36
  • 5415
1 启动集群出现下列异常:
/usr/bin/hadoop: line 320: /usr/lib/jvm/java-6-sun/bin/java: No such file or directory
/usr/bin/hadoop: line 390: /usr/lib/jvm/java-6-sun/bin/java: No such file or directory

 


2 上面的错误的确时没有那个目录,只有/usr/lib/jvm/java-6-openjdk-i386/ 对于路径,故有两种解决办法;

方法一,做软链接。构建该sun java目录:

$sudo ln -s /usr/lib/jvm/java-6-openjdk-i386 /usr/lib/jvm/java-6-sun

方法二,修改配置脚本,设置正确的JAVA_HOME

$sudo vi /etc/hadoop/hadoop-env.sh

打开文件后修改如下的行(第9行),设置JAVA_HOME

# The java implementation to use.
export JAVA_HOME=/usr/lib/jvm/java-6-openjdk-i386
export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-"/etc/hadoop"}

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