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E0103: Could not load service classes, Cannot load JDBC driver class 'com.mysql.jdbc.Driver'
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E0103: Could not load service classes, Cannot create PoolableConnectionFactory (Schema 'SA' does not exist)
org.apache.oozie.service.ServiceException: E0103: Could not load service classes, Cannot load JDBC driver class 'com.mysql.jdbc.Driver'	at org.apache.oozie.service.Services.loadServices(Services.java:306)	at org.apache.oozie.service.Services.init(Services.java:210)	at org.apache.oozie.servlet.ServicesLoader.contextInitialized(ServicesLoader.java:45)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4210)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4709)	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:583)	at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)	at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:778)	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504)	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317)	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065)	at org.apache.catalina.core.StandardHost.start(StandardHost.java:822)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)	at org.apache.catalina.core.StandardService.start(StandardService.java:525)	at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)	at org.apache.catalina.startup.Catalina.start(Catalina.java:595)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)