ORA-28543
        Error initializing apply connection to non-Oracle system
        
        
        Cause
        Attempt to initialize connection to non-Oracle for heterogeneous replication failed.
        Action
        Check if the listener used to connect to the gateway is up and is correctly configured. Make sure that the database link used has been configured correctly and, if a tnsnames alias has been used in the database link definition, make sure that the configuration of the entry in tnsnames.ora has been done correctly.
        
     
    
    
        ORA-28543
        Error initializing apply connection to non-Oracle system
        
        
        Cause
        Attempt to initialize connection to non-Oracle for heterogeneous replication failed.
        Action
        Check if the listener used to connect to the gateway is up and is correctly configured. Make sure that the database link used has been configured correctly and, if a tnsnames alias has been used in the database link definition, make sure that the configuration of the entry in tnsnames.ora has been done correctly.
        
     
    
    
        ORA-28543
        Error initializing apply connection to non-Oracle system
        
        
        Cause
        Attempt to initialize connection to non-Oracle for heterogeneous replication failed.
        Action
        Check if the listener used to connect to the gateway is up and is correctly configured. Make sure that the database link used has been configured correctly and, if a tnsnames alias has been used in the database link definition, make sure that the configuration of the entry in tnsnames.ora has been done correctly.