slave: Error: JAVA_HOME is not set and could not be found[cluster setup]
All the answers to my question was showcased in a single node cluster
But i want the answer in multi node cluster
I had configured all the details of namenode and datanode correctly as in this blog https://www.edureka.co/blog/setting-up-a-multi-node-cluster-in-hadoop-2.X?utm_source=youtube&utm_campaign=hadoop-installation-multi-node-051216-wr&utm_medium=descriptionbut
but I had got stuck at this error!!!
Not able to start datanode
click here to see error image
slave: Error: JAVA_HOME is not set and could not be found
slave:
i had configured JAVA_HOME properly in hadoop_env.sh i.e.,
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
ssh calls are properly going
ssh hduser@slave
java apache-spark hadoop hdfs hadoop2
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
|
show 2 more comments
All the answers to my question was showcased in a single node cluster
But i want the answer in multi node cluster
I had configured all the details of namenode and datanode correctly as in this blog https://www.edureka.co/blog/setting-up-a-multi-node-cluster-in-hadoop-2.X?utm_source=youtube&utm_campaign=hadoop-installation-multi-node-051216-wr&utm_medium=descriptionbut
but I had got stuck at this error!!!
Not able to start datanode
click here to see error image
slave: Error: JAVA_HOME is not set and could not be found
slave:
i had configured JAVA_HOME properly in hadoop_env.sh i.e.,
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
ssh calls are properly going
ssh hduser@slave
java apache-spark hadoop hdfs hadoop2
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
Can you post the content of hadoop_env.sh,ls -l /usr/lib/jvm/java-8-oracle
– User
Nov 28 '18 at 20:33
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
can you paste slave node
– User
Nov 29 '18 at 19:17
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59
|
show 2 more comments
All the answers to my question was showcased in a single node cluster
But i want the answer in multi node cluster
I had configured all the details of namenode and datanode correctly as in this blog https://www.edureka.co/blog/setting-up-a-multi-node-cluster-in-hadoop-2.X?utm_source=youtube&utm_campaign=hadoop-installation-multi-node-051216-wr&utm_medium=descriptionbut
but I had got stuck at this error!!!
Not able to start datanode
click here to see error image
slave: Error: JAVA_HOME is not set and could not be found
slave:
i had configured JAVA_HOME properly in hadoop_env.sh i.e.,
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
ssh calls are properly going
ssh hduser@slave
java apache-spark hadoop hdfs hadoop2
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
All the answers to my question was showcased in a single node cluster
But i want the answer in multi node cluster
I had configured all the details of namenode and datanode correctly as in this blog https://www.edureka.co/blog/setting-up-a-multi-node-cluster-in-hadoop-2.X?utm_source=youtube&utm_campaign=hadoop-installation-multi-node-051216-wr&utm_medium=descriptionbut
but I had got stuck at this error!!!
Not able to start datanode
click here to see error image
slave: Error: JAVA_HOME is not set and could not be found
slave:
i had configured JAVA_HOME properly in hadoop_env.sh i.e.,
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
ssh calls are properly going
ssh hduser@slave
java apache-spark hadoop hdfs hadoop2
java apache-spark hadoop hdfs hadoop2
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
asked Nov 28 '18 at 19:52
vinay nimmalapudivinay nimmalapudi
15
15
Can you post the content of hadoop_env.sh,ls -l /usr/lib/jvm/java-8-oracle
– User
Nov 28 '18 at 20:33
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
can you paste slave node
– User
Nov 29 '18 at 19:17
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59
|
show 2 more comments
Can you post the content of hadoop_env.sh,ls -l /usr/lib/jvm/java-8-oracle
– User
Nov 28 '18 at 20:33
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
can you paste slave node
– User
Nov 29 '18 at 19:17
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59
Can you post the content of hadoop_env.sh,
ls -l /usr/lib/jvm/java-8-oracle– User
Nov 28 '18 at 20:33
Can you post the content of hadoop_env.sh,
ls -l /usr/lib/jvm/java-8-oracle– User
Nov 28 '18 at 20:33
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
can you paste slave node
– User
Nov 29 '18 at 19:17
can you paste slave node
– User
Nov 29 '18 at 19:17
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59
|
show 2 more comments
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Can you post the content of hadoop_env.sh,
ls -l /usr/lib/jvm/java-8-oracle– User
Nov 28 '18 at 20:33
slave or master?
– vinay nimmalapudi
Nov 29 '18 at 18:47
can you paste slave node
– User
Nov 29 '18 at 19:17
should both master and slaves had to have the same java paths??
– vinay nimmalapudi
Nov 30 '18 at 16:31
You can have the different JAVA_HOME between hosts provided you modify the hadoop_env.sh
– User
Dec 3 '18 at 6:59