Apache tomcat not shutting down

I am using apache tomcat 8.0.23 on centos 6 server. Suddenly it stopped . I don't know much about server configuration.

Now whenever i try to start it gets started every time . but when i try to access tomcat using my browser it show This site can not be reached Can any body tell me what is the problem ?

Can any one tell me what is the problem . Following are the some logs which can help you .

locator@s104-238-81-220 [~/apache-tomcat-8.0.23/bin]# printenv

HOSTNAME=s104-238-81-220.secureserver.net
TERM=xterm
SHELL=/bin/bash
CATALINA_HOME=/home/locator/apache-tomcat-8.0.23
HISTSIZE=1000
SSH_CLIENT=43.225.195.92 49723 22
PERL5LIB=/home/locator/perl5/lib/perl5

PERL_MB_OPT=--install_base "/home/locator/perl5"
SSH_TTY=/dev/pts/0
JRE_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/jre
USER=locator
JAVA_PATH=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64
MAIL=/var/spool/mail/locator
PATH=/usr/local/jdk/bin:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86                                                                                        _64/bin:/home/locator/perl5/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/us                                                                                        r/sbin:/sbin:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/jre/bin                                                                                        :/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin:/usr/local/bin:                                                                                        /usr/X11R6/bin:/home/locator/bin:/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.79.x86_64                                                                                        /bin
PWD=/home/locator/apache-tomcat-8.0.23/bin
JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.79.x86_64
EDITOR=pico
LANG=en_US.UTF-8
HISTCONTROL=ignoredups
SHLVL=1
HOME=/home/locator
LS_OPTIONS=--color=tty -F -a -b -T 0
PERL_LOCAL_LIB_ROOT=/home/locator/perl5
LOGNAME=locator
VISUAL=pico
CVS_RSH=ssh
CLASSPATH=.:/usr/local/jdk/lib/classes.zip
SSH_CONNECTION=43.225.195.92 49723 104.238.81.220 22
LESSOPEN=||/usr/bin/lesspipe.sh %s
PERL_MM_OPT=INSTALL_BASE=/home/locator/perl5
G_BROKEN_FILENAMES=1
HISTTIMEFORMAT=%F %T
_=/usr/bin/printenv

locator@s104-238-81-220 [~/apache-tomcat-8.0.23/bin]# sudo sh shutdown.sh

Using CATALINA_BASE:   /home/locator/apache-tomcat-8.0.23
Using CATALINA_HOME:   /home/locator/apache-tomcat-8.0.23
Using CATALINA_TMPDIR: /home/locator/apache-tomcat-8.0.23/temp
Using JRE_HOME:        /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64
Using CLASSPATH:       /home/locator/apache-tomcat-8.0.23/bin/bootstrap.jar:/home/locator/apache-tomcat-8.0.23/bin/tomcat-juli.jar
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 453: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory

locator@s104-238-81-220 [~/apache-tomcat-8.0.23/bin]# sudo sh startup.sh

Using CATALINA_BASE:   /home/locator/apache-tomcat-8.0.23
Using CATALINA_HOME:   /home/locator/apache-tomcat-8.0.23
Using CATALINA_TMPDIR: /home/locator/apache-tomcat-8.0.23/temp
Using JRE_HOME:        /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64
Using CLASSPATH:       /home/locator/apache-tomcat-8.0.23/bin/bootstrap.jar:/home/locator/apache-tomcat-8.0.23/bin/tomcat-juli.jar

I also checked catalina.out which states following

locator@s104-238-81-220 [~/apache-tomcat-8.0.23]# tail -f logs/catalina.out

/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory
/home/locator/apache-tomcat-8.0.23/bin/catalina.sh: line 401: /usr/lib/jvm/java-                                                                                        1.8.0-openjdk-1.8.0.51-0.b16.el6_6.x86_64/bin/java: No such file or directory

when i try to access my apache server i.e 104.238.81.220:8080 it does not show tomcat welcome page .

Plz help.