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Unable to connect to MySQL Database facing exceptions

sam.sameer
Wanderer

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)

1 REPLY 1

Allan.Schiebold
AppDynamics Team

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.