Unable to connect to MySQL Database facing exceptions

[sam_sameer]

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:835) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:455) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:240) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at org.apache.commons.dbcp2.DriverManagerConnectionFactory.createConnection(DriverManagerConnectionFactory.java:89) at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:260) at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:889) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:433) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:362) at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134) at com.appdynamics.dbmon.dbagent.collector.db.relational.dbconnection.DataSourceManager.getConnection(DataSourceManager.java:67) at com.singularity.ee.agent.dbagent.collector.db.ADBAvailabilityCollector.getConnection(ADBAvailabilityCollector.java:158) at com.singularity.ee.agent.dbagent.collector.db.relational.RelationalDBAvailabilityCollector.collectDBAvailabilityMetrics(RelationalDBAvailabilityCollector.java:67) at com.singularity.ee.agent.dbagent.collector.db.ADBAvailabilityCollector.run(ADBAvailabilityCollector.java:109) at com.singularity.ee.util.javaspecific.scheduler.AgentScheduledExecutorServiceImpl$SafeRunnable.run(AgentScheduledExecutorServiceImpl.java:122) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at com.singularity.ee.util.javaspecific.scheduler.ADFutureTask$Sync.innerRunAndReset(ADFutureTask.java:335) at com.singularity.ee.util.javaspecific.scheduler.ADFutureTask.runAndReset(ADFutureTask.java:152) at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.access$101(ADScheduledThreadPoolExecutor.java:119) at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.runPeriodic(ADScheduledThreadPoolExecutor.java:206) at com.singularity.ee.util.javaspecific.scheduler.ADScheduledThreadPoolExecutor$ADScheduledFutureTask.run(ADScheduledThreadPoolExecutor.java:236) at com.singularity.ee.util.javaspecific.scheduler.ADThreadPoolExecutor$Worker.runTask(ADThreadPoolExecutor.java:694) at com.singularity.ee.util.javaspecific.scheduler.ADThreadPoolExecutor$Worker.run(ADThreadPoolExecutor.java:726) at java.lang.Thread.run(Thread.java:745)

[Allan_Schiebold]

Hey there. I believe there is more to the error message at the start. Can you include that?
Additionally, what's likely happening is that the database service isn't started. You can check the status of it in the Enterprise Console if you have a recent version of the platform.