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Status Not under consideration
Workspace Cloud Pak for Data
Created by Guest
Created on Jul 14, 2021

Oracle thin client connection capabilities requiring specification of URL

We need to connect WKC to Oracle using Oracle Connection Manager using the JDBC thin client. This requires the ability to specify the connection URL with a significant string length. Currently when the Oracle connection type is specified there is no field at all for a custom URL. And if we use a custom database connection which does allow a URL to be specified, the allowed string length of that field is insufficient to specify the parameters required for Oracle Connection Manager.

Needed By Yesterday (Let's go already!)
  • Guest
    Oct 15, 2021

    Indeed, it's unfortunate that the standard Oracle connector in CP4D doesn't support anything more than host, sid/service, and port. You can't even specify a DataGuard failover pair for HA.


    Could you describe your experience using the custom JDBC connector for connecting with Oracle? How are you specifying the connect string in the parameters, and do you really need to upload an ojdbc driver for each and every connection to Oracle?


    If there was support for a tnsnames.ora file and/or LDAP reference, that would also solve any connect string length limit.

  • Guest
    Oct 5, 2021

    There's a limit of something like 10K when you add the connection string into the platform connections section of CPD, but when you then try to use that connection within data discovery... it attempts to create the data connection within the Metadata Import (legacy IMAM) repository. That has a limit of 256 characters for the URL. There is a way to break the URL within the IMAM data connection definition (part then goes into the additional attributes)... but that's only when you have the typical ";" style URL... like "database=GOSALES;encrypted=true;"... this is using an Oracle "thin" client URL which is effectively the TNSNAMES.ORA definition. So not something that can be broken apart in that fashion.

  • Admin
    Virginie Grandhaye
    Oct 5, 2021

    After investigation, we can't identify where the limit is. According to the development team, the size of the URL is not limited. We need more details on how to reproduce this issue. Please provide the detailed steps to reproduce the issue, and we may consider this. You can also contact the IBM support team as there should not be such a limitation currently in Cloud Pak for Data connection forms.

  • Guest
    Jul 29, 2021

    The customer will not be able to move into production this quarter without this capability.