Enabling the Oozie Web Console and use MySQL Database in Cloudera Manager 5.2

1. on Oozie server:
cd /var/lib/oozie
unzip -x /root/ext-2.2.zip
chown -R oozie:oozie ext-2.2

restart Oozie service

on MySQL server:
create database oozie;
grant all privileges on oozie.* to 'oozie'@'localhost' identified by 'oozie';
grant all privileges on oozie.* to 'oozie'@'%' identified by 'oozie';

on Oozie server:
tar zxf mysql-connector-java-5.1.33.tar.gz
cp mysql-connector-java-5.1.33/mysql-connector-java-5.1.33-bin.jar /var/lib/oozie/mysql-connector-java.jar

start Oozie service

ok