jenkins - Cannot start Jenkins server

Question

Cannot start jenkins. giving below logs when try to restart but doesnt work -

-bash-3.2$ ./jenkins.sh start
Jenkins is currently stopped...
Starting Jenkins with command cd     /eas/jenkins;/eas/jenkins/jenkins_jre/jre1.7.0_51/bin/java -Xms1024m -Xmx2048m -    XX:MaxPermSize=512m -DJENKINS_HOME=/eas/jenkins/home -jar jenkins.war
-bash-3.2$ standard in must be a tty

Please help!