Here is the error log from HANA Studio. Port 30015 is already open in my Security Group.
com.sap.ndb.studio.jdbc.JDBCConnectionStatus: Database connection is not available. See error log for more details.
at com.sap.ndb.studio.jdbc.JDBCPlugin.createConnection(JDBCPlugin.java:314)
at com.sap.ndb.studio.navigator.wizards.newsapsystem.NewSAPSystemWizard$1$1.call(NewSAPSystemWizard.java:233)
at com.sap.ndb.studio.navigator.wizards.newsapsystem.NewSAPSystemWizard$1$1.call(NewSAPSystemWizard.java:1)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.sap.db.jdbc.exceptions.JDBCDriverException: SAP DBTech JDBC: Cannot connect to jdbc:sap://imdbhdb:30015 [Cannot connect to host imdbhdb:30015 [Connection timed out: connect], -813.].
at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.createException(SQLExceptionSapDB.java:219)
at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.createException(SQLExceptionSapDB.java:203)
at com.sap.db.jdbc.exceptions.SQLExceptionSapDB.generateDatabaseException(SQLExceptionSapDB.java:186)
at com.sap.db.jdbc.Driver.connect(Driver.java:239)
at com.sap.ndb.studio.jdbc.JDBCPlugin$5.run(JDBCPlugin.java:650)