The following error occurred at startup:
 Error occurred while trying to get the updates needed for the database. Unable to get a connection to the database. Please check your openmrs runtime properties file and make sure you have the correct connection.username and connection.password set
java.lang.RuntimeException: Error occurred while trying to get the updates needed for the database. Unable to get a connection to the database.  Please check your openmrs runtime properties file and make sure you have the correct connection.username and connection.password set
	at org.openmrs.util.DatabaseUpdater.getUnrunDatabaseChanges(DatabaseUpdater.java:628)
	at org.openmrs.util.DatabaseUpdater.getUnrunDatabaseChanges(DatabaseUpdater.java:587)
	at org.openmrs.util.DatabaseUpdater.updatesRequired(DatabaseUpdater.java:259)
	at org.openmrs.web.Listener.setupNeeded(Listener.java:170)
	at org.openmrs.web.Listener.contextInitialized(Listener.java:142)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3972)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4467)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.startup.Embedded.start(Embedded.java:825)
	at org.openmrs.standalone.TomcatManager.run(TomcatManager.java:73)
	at org.openmrs.standalone.ApplicationController.startServer(ApplicationController.java:381)
	at org.openmrs.standalone.ApplicationController.access$000(ApplicationController.java:29)
	at org.openmrs.standalone.ApplicationController$1.construct(ApplicationController.java:128)
	at org.openmrs.standalone.SwingWorker$2.run(SwingWorker.java:125)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.Exception: Unable to get a connection to the database.  Please check your openmrs runtime properties file and make sure you have the correct connection.username and connection.password set
	at org.openmrs.util.DatabaseUpdater.getLiquibase(DatabaseUpdater.java:365)
	at org.openmrs.util.DatabaseUpdater.getUnrunDatabaseChanges(DatabaseUpdater.java:614)
	... 17 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.Util.getInstance(Util.java:381)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2364)
	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:773)
	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:46)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
	at java.sql.DriverManager.getConnection(DriverManager.java:582)
	at java.sql.DriverManager.getConnection(DriverManager.java:185)
	at org.openmrs.util.DatabaseUpdater.getConnection(DatabaseUpdater.java:424)
	at org.openmrs.util.DatabaseUpdater.getLiquibase(DatabaseUpdater.java:362)
	... 18 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,362,977,557,925 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor8.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
	at com.mysql.jdbc.MysqlIO.(MysqlIO.java:341)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2288)
	... 31 more
Caused by: java.net.ConnectException: Connection refused
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
	at java.net.Socket.connect(Socket.java:529)
	at java.net.Socket.connect(Socket.java:478)
	at java.net.Socket.(Socket.java:375)
	at java.net.Socket.(Socket.java:218)
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:253)
	at com.mysql.management.driverlaunched.ServerLauncherSocketFactory.connect(ServerLauncherSocketFactory.java:74)
	at com.mysql.jdbc.MysqlIO.(MysqlIO.java:290)
	... 32 more


 See the server log for full output.