Hi Team,

We are doing onap offline installation (Frankfurt release) on Kubernets. onap-clamp-backend stuck in error state with following error :

Caused by: java.sql.SQLException: No active connection found for master : Host '10.42.2.12' is not allowed to connect to this MariaDB server
at org.mariadb.jdbc.internal.protocol.MasterProtocol.loop(MasterProtocol.java:163)
at org.mariadb.jdbc.internal.failover.impl.MastersFailoverListener.reconnectFailedConnection(MastersFailoverListener.java:208)
at org.mariadb.jdbc.internal.failover.impl.MastersFailoverListener.initializeConnection(MastersFailoverListener.java:102)
at org.mariadb.jdbc.internal.failover.FailoverProxy.<init>(FailoverProxy.java:99)
at org.mariadb.jdbc.internal.util.Utils.retrieveProxy(Utils.java:488)
at org.mariadb.jdbc.MariaDbConnection.newConnection(MariaDbConnection.java:150)
at org.mariadb.jdbc.Driver.connect(Driver.java:86)
at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138)
at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:354)
at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:202)
at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473)
at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:554)
at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115)
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112)
at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:38)
at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:104)
... 60 common frames omitted

Please help to resolve the issue.