Error we encounter is below:

1. Errors:
• Caused by: org.datanucleus.exceptions.NucleusException: Attempt to invoke the "HikariCP" plugin to create a ConnectionPool gave an error: Failed to initialize pool: Could not connect to address=(host=xyz.region.rds.amazonaws.com)(port=<port>)(type=master): Could not connect to xyz.region.rds.amazonaws.com:<port>: Connection reset
• at org.datanucleus.store.rdbms.ConnectionFactoryImpl.generateDataSources(ConnectionFactoryImpl.java:232)
• at org.datanucleus.store.rdbms.ConnectionFactoryImpl.initialiseDataSources(ConnectionFactoryImpl.java:117)
• at org.datanucleus.store.rdbms.ConnectionFactoryImpl.<init>(ConnectionFactoryImpl.java:82)
• ... 127 more
• Caused by: com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Could not connect to address=(host=xyz.region.rds.amazonaws.com)(port=<port>)(type=master): Could not connect to xyz.region.rds.amazonaws.com:<port>: Connection reset
• at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:512)
• at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:105)
• at com.zaxxer.hikari.HikariDataSource.<init>(HikariDataSource.java:71)
• at org.datanucleus.store.rdbms.connectionpool.HikariCPConnectionPoolFactory.createConnectionPool(HikariCPConnectionPoolFactory.java:176)
• at org.datanucleus.store.rdbms.ConnectionFactoryImpl.generateDataSources(ConnectionFactoryImpl.java:213)
• ... 129 more
• Caused by: java.sql.SQLNonTransientConnectionException: Could not connect to address=(host=xyz.region.rds.amazonaws.com)(port=<port>)(type=master): Could not connect to xyz.region.rds.amazonaws.com:<port>: Connection reset
• at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73)
• at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.create(ExceptionFactory.java:197)
• at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connectWithoutProxy(AbstractConnectProtocol.java:1404)
• at org.mariadb.jdbc.internal.util.Utils.retrieveProxy(Utils.java:635)
• at org.mariadb.jdbc.MariaDbConnection.newConnection(MariaDbConnection.java:150)
• at org.mariadb.jdbc.Driver.connect(Driver.java:89)
• at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:95)
• at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:101)
• at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:341)
• at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:506)
• ... 133 more
• Caused by: java.sql.SQLNonTransientConnectionException: Could not connect to xyz.region.rds.amazonaws.com:<port>: Connection reset
• at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73)
• at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.create(ExceptionFactory.java:188)
• at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.createConnection(AbstractConnectProtocol.java:588)
• at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connectWithoutProxy(AbstractConnectProtocol.java:1399)
• ... 140 more
• Caused by: java.net.SocketException: Connection reset
• at java.net.SocketInputStream.read(SocketInputStream.java:210)
• at java.net.SocketInputStream.read(SocketInputStream.java:141)
• at java.io.FilterInputStream.read(FilterInputStream.java:133)
• at org.mariadb.jdbc.internal.io.input.ReadAheadBufferedStream.fillBuffer(ReadAheadBufferedStream.java:131)
• at org.mariadb.jdbc.internal.io.input.ReadAheadBufferedStream.read(ReadAheadBufferedStream.java:104)
• at org.mariadb.jdbc.internal.io.input.StandardPacketInputStream.getPacketArray(StandardPacketInputStream.java:247)
• at org.mariadb.jdbc.internal.io.input.StandardPacketInputStream.getPacket(StandardPacketInputStream.java:218)
• at org.mariadb.jdbc.internal.com.read.ReadInitialHandShakePacket.<init>(ReadInitialHandShakePacket.java:89)
• at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.createConnection(AbstractConnectProtocol.java:540)
• ... 141 more