install hadoop in ubuntu

1. link
http://www.bogotobogo.com/Hadoop/BigData_hadoop_Install_on_ubuntu_single_node_cluster.php



2.

 Exception in thread "main" java.lang.IllegalArgumentException: Invalid URI for NameNode address (check fs.defaultFS): file:/// has no authority.

hduser@layer1athome:/usr/local$ ls -all /app/hadoop/tmp

總計 8

drwxr-xr-x 2 hduser hadoop 4096  5月 16 11:49 .

drwxr-xr-x 3 root   root   4096  5月 16 11:49 ..

hduser@layer1athome:/usr/local$ 

3. 

WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

4. 

start-dfs.sh

16/05/16 15:58:24 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Incorrect configuration: namenode address dfs.namenode.servicerpc-address or dfs.namenode.rpc-address is not configured.

add this 有解：

export HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=/usr/local/hadoop/lib/native"

Incorrect configuration: namenode address dfs.namenode.servicerpc-address or dfs.namenode.rpc-address is not configured.

解法：

link:http://solaimurugan.blogspot.tw/2014/06/issues-solution-hdfs-high-availability.html

結果：namenode and data node 出現了

manager-layer1athome.out

localhost: starting nodemanager, logging to /usr/local/hadoop/logs/yarn-hduser-nodemanager-layer1athome.out

hduser@layer1athome:/$ jps

1804 SecondaryNameNode

2000 ResourceManager

2254 NodeManager

2679 Jps

1603 DataNode

1436 NameNode

hduser@layer1athome:/$