Came across this article that fixed it for me... http://blog.widodh.nl/2014/03/sql-connection-error-after-upgrade-to-cloudstack-4-3-0/
Date: Fri, 18 Apr 2014 20:33:45 +0200 Subject: Re: Upgraded from 4.2.1 to 4.3.0 getting a http 404 error From: laszlo.horn...@gmail.com To: dev@cloudstack.apache.org; mphilli7...@hotmail.com Hi, The mysql driver is not available for CS, that is the trouble. Please check that the mysql jar files are in classpath. On Fri, Apr 18, 2014 at 8:06 PM, Michael Phillips <mphilli7...@hotmail.com> wrote: Did an upgrade from 4.2.1 to 4.3.0 on ubuntu, and now I am getting the following error. http://imgur.com/PonNMYL Any advise? Logs show a few errors:Mgmt server log error = java.sql.SQLException: No suitable driver found for jdbc:mysql://mysqldbserver:3306/cloud?autoReconnect=true&prepStmtCacheSize=517&cachePrepStmts=truecatalina log = INFO: validateJarFile(/usr/share/cloudstack-management/webapps/client/WEB-INF/lib/servlet-api-2.5-20081211.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.classcatalina log = INFO: validateJarFile(/usr/share/cloudstack-management/webapps/client/WEB-INF/lib/tomcat-embed-core-7.0.30.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class -- EOF