AMBARI-16843. Auto logout zeppelin server in case of session inactivity. (Renjith Kamath via pallavkul)

ambari-server/src/main/resources/common-services/ZEPPELIN/0.6.0.2.5/configuration/zeppelin-env.xml

@@ -158,6 +158,10 @@ export SPARK_YARN_USER_ENV="PYTHONPATH=${PYTHONPATH}"
 #ldapRealm.userDnTemplate = uid={0},cn=users,cn=accounts,dc=hortonworks,dc=com
 #ldapRealm.contextFactory.url = ldap://ldaphost:389
 #ldapRealm.contextFactory.authenticationMechanism = SIMPLE
+sessionManager = org.apache.shiro.web.session.mgt.DefaultWebSessionManager
+securityManager.sessionManager = $sessionManager
+# 86,400,000 milliseconds = 24 hour
+securityManager.sessionManager.globalSessionTimeout = 86400000
 shiro.loginUrl = /api/login
 
 [urls]