我遵循本教程http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/
注意:是的,我知道我确实安装了hadoop到/usr/local/hadoop/hadoop/,但是教程没有
当我跑步时:
hduser@ubuntu:~$ /usr/local/hadoop/hadoop/bin/hadoop namenode -format
我明白了
^{pr2}$而不是
hduser@ubuntu:/usr/local/hadoop$ hadoop/bin/hadoop namenode -format
10/05/08 16:59:56 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG: host = ubuntu/127.0.1.1
STARTUP_MSG: args = [-format]
STARTUP_MSG: version = 0.20.2
STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/common/branches /branch-0.20 -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
************************************************************/
10/05/08 16:59:56 INFO namenode.FSNamesystem: fsOwner=hduser,hadoop
10/05/08 16:59:56 INFO namenode.FSNamesystem: supergroup=supergroup
10/05/08 16:59:56 INFO namenode.FSNamesystem: isPermissionEnabled=true
10/05/08 16:59:56 INFO common.Storage: Image file of size 96 saved in 0 seconds.
10/05/08 16:59:57 INFO common.Storage: Storage directory .../hadoop-hduser/dfs/name has been successfully formatted.
10/05/08 16:59:57 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at ubuntu/127.0.1.1
************************************************************/
在/usr/local/hadoop/hadoop/bin/hadoop第320行的代码中:
JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} -Xmx32m ${HADOOP_JAVA_PLATFORM_OPTS}
org.apache.hadoop.util.PlatformName | sed -e "s/ /_/g"`
第390行是:
exec "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $HADOOP_OPTS -classpath "$CLASSPATH" $CLASS "$@"
你知道我怎么解决这个问题吗?在
我有以下文件:/usr/lib/hadoop-0.20/bin/hadoop-配置.sh(Cloudera安装)
在这里我可以看到它在以下位置搜索java:
你的JAVA_家庭设置正确吗?你可以手动设置它,然后再尝试运行它吗。在
[编辑:根据评论]
echo $JAVA_HOME
/usr/lib/jvm/java-6-sun/
vi ~/.bashrc
或{export JAVA_HOME=/usr/lib/jvm/java-6-sun/
将
JAVA_HOME
重置到包含java的目录中,方法是将以下行添加到hadoop文件中的hadoop/bin
(在上面给定的路径中):相关问题 更多 >
编程相关推荐