@Jay SenSharma - The permission on the webapps folder is 755. - I did not see any warnings in the folder. However There are few error which I ham not sure would be realted for zeppelin to not function as expected. [root@sandbox webapp]# cat /var/log/zeppelin/zeppelin-zeppelin-sandbox.hortonworks.com.log | grep -i error ERROR [2017-01-04 00:16:09,138] ({main} Interpreter.java[register]:315) - Static initialization is deprecated. You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json ERROR [2017-01-04 00:16:09,178] ({main} Interpreter.java[register]:315) - Static initialization is deprecated. You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json ERROR [2017-01-04 00:16:09,180] ({main} Interpreter.java[register]:315) - Static initialization is deprecated. You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json ERROR [2017-01-04 00:16:09,181] ({main} Interpreter.java[register]:315) - Static initialization is deprecated. You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json ERROR [2017-01-04 00:16:09,194] ({main} Interpreter.java[register]:315) - Static initialization is deprecated. You should change it to use interpreter-setting.json in your jar or interpreter/{interpreter}/interpreter-setting.json ... View more

Hi @nyadav had a look at the logs located at /var/log/zeppelin/zeppelin-zeppelin-sandbox.hortonworks.com.log . No error registered. The permission for /usr/hdp/2.5.0.0-1245/zeppelin/webapps is 755 which looks okay to me. Thanks. ... View more