Banner agent not starting due to "Unknown host specified" error

Products

• CA Automic Applications Manager (AM)

Issue/Introduction

When trying to start a Banner Agent, the Banner Agent is not starting. When reviewing the Banner Agent logs, the following error is seen:

ErrorMsg: Database login error  (7/22/22 12:38 PM)
Details: Error connecting to the database. Check the JDBC login assigned  to the agent and verify that it is correct.
java.sql.SQLRecoverableException: IO Error: Unknown host specified        
  at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:902)        
  at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:813)        
  at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:80)        
  at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:816)        
  at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:620)        
  at java.sql.DriverManager.getConnection(DriverManager.java:664)        
  at java.sql.DriverManager.getConnection(DriverManager.java:208)        
  at java_sql_DriverManager$getConnection.call(Unknown Source)        
  at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray

Environment

Release : All

Component : Applications Manager

Cause

Can be caused by incorrect database host value

Resolution

Edit the Banner jdbc connection object and ensure that the database host value is correct