安装Hadoop启动datanode出现Unrecognized option: -jvm
解决方法如下:
编辑 /bin/hadoop 文件
找到如下这段代码:
elif [ "$COMMAND" = "datanode" ] ; then
CLASS='org.apache.hadoop.hdfs.server.datanode.DataNode'
if [[ $EUID -eq 0 ]]; then
HADOOP_OPTS="$HADOOP_OPTS -jvm server $HADOOP_DATANODE_OPTS"
else
HADOOP_OPTS="$HADOOP_OPTS -server $HADOOP_DATANODE_OPTS"
fi
更改为:
elif [ "$COMMAND" = "datanode" ] ; then
CLASS='org.apache.hadoop.hdfs.server.datanode.DataNode'
# if [[ $EUID -eq 0 ]]; then
# HADOOP_OPTS="$HADOOP_OPTS -jvm server $HADOOP_DATANODE_OPTS"
# else
HADOOP_OPTS="$HADOOP_OPTS -server $HADOOP_DATANODE_OPTS"
# fi
这个还是比较容易看懂的,把带有-jvm参数的命令注释掉
如果想了解更多可以参考原文,这个作者写得还是很详细的
原文地址:http://javoft.net/2011/06/hadoop-unrecognized-option-jvm-could-not-create-the-java-virtual-machine/
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