hadoop datanode, resourcemanager, nodemanager not starting

2017-04-04T22:41:01

i am using hadoop and it was working fine. but today when i restarted the server, now jps command is showing something like

9801 NameNode
12142 Jps
10207 SecondaryNameNode

i have reconfigured the files again from http://pingax.com/install-hadoop2-6-0-on-ubuntu/

Note :- after restart the server name has change from

hduser@hadoop-master:

to

hduser@silp-ProLiant-DL360-Gen9:

is there any problem due to server name or something else?

after start-all.sh command it is showing

hduser@silp-ProLiant-DL360-Gen9:~$ start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [localhost]
localhost: starting namenode, logging to   /usr/local/hadoop/logs/hadoop-hduser-namenode-silp-ProLiant-DL360-Gen9.out
localhost: starting datanode, logging to /usr/local/hadoop/logs/hadoop-hduser-datanode-silp-ProLiant-DL360-Gen9.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop/logs/hadoop-hduser-secondarynamenode-silp-ProLiant-  DL360-Gen9.out
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop/logs/yarn-hduser-resourcemanager-silp-ProLiant-DL360-Gen9.out
localhost: starting nodemanager, logging to /usr/local/hadoop/logs/yarn-hduser-nodemanager-silp-ProLiant-DL360-Gen9.out
hduser@silp-ProLiant-DL360-Gen9:~$ jps
15408 Jps
14724 SecondaryNameNode
14316 NameNode

Please help

NOTE- /usr/local/hadoop/logs/hadoop-hduser-datanode-silp-ProLiant-DL360-Gen9.out is showing :

ulimit -a for user hduser
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 127536
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 127536
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

Copyright License:
Author:「ajit yadav」,Reproduced under the CC 4.0 BY-SA copyright license with link to original source & disclaimer.
Link to:https://stackoverflow.com/questions/43210413/hadoop-datanode-resourcemanager-nodemanager-not-starting

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Copyright License:Reproduced under the CC 4.0 BY-SA copyright license with link to original source & disclaimer.