Having problem connecting to the primary database. I'm trying to start

Having problem connecting to the primary database.
I'm trying to start JBOSS in Linux (UBUNTU 14.04), database is MySQL.

ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/suite]] (ServerService Thread Pool -- 56) JBWEB000287: Exception sending context initialized event to listener instance of class com.appiancorp.common.config.ConfigurationLoader: com.appiancorp.common.config.FatalConfigurationException: com.appiancorp.suiteapi.common.exceptions.AppianException: An unexpected error occurred while trying to initialize and validate the primary data source. (APNX-1-4179-004)
          at com.appiancorp.suiteapi.common.exceptions.AppianRuntimeException.<init>(AppianRuntimeException.java:52) [appian-suiteapi.jar:]
          at com.appiancorp.common.config.FatalConfigurationException.<init>(FatalConfigurationException.java:23) [appian-common.jar:]
          at com.appiancorp.rdbms.config.PrimaryDataSourceConfig.finish(PrimaryDataSourceConfi...

server.log_linux

OriginalPostID-111708

OriginalPostID-111708