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  • 1.  Configure data server connection for Google Bigquery

    Posted 07/08/20 09:23 AM
    Hi

    Tried to create data server connection in Cognos 11.0.13 based on the link 

    Google BigQuery in Cognos Analytics - PMsquare

    Copied JDBC 4.2 jar files to cognos server and got the below error while testing the connection

    "XQE-JDB-0004 A problem occurred finding the driver class "com.simba.googlebigquery.jdbc41.Driver"

    Please let us know how to address this






    ------------------------------
    Pavan Pothamsetty
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    #CognosAnalyticswithWatson


  • 2.  RE: Configure data server connection for Google Bigquery

    Posted 07/08/20 11:48 AM

    Google supplies the SIMBA developed JDBC driver.

    Prior to  1.2.2.1004,  Google (SIMBA) were shipping JAR files which used different driver class names

    com.simba...jdbc41.Driver
    com.simba...jdbc42.Driver

    As of  1.2.2.1004 they only supply the 42 driver class.

    When a connection is created in CA, you will see it assign a default driver class name. Normally one would never edit the entry.

    The error you see means that the Java Runtime cannot locate a JAR which implements. jdbc 41driver.

    If you have downloaded the driver and put it into <cognos>\drivers, you probably have their 42 driver.

    So edit the driver class name in the connection.



    ------------------------------
    NIGEL CAMPBELL
    ------------------------------



  • 3.  RE: Configure data server connection for Google Bigquery

    Posted 07/09/20 09:39 AM
    HI,

    Thank You. Where can i edit the driver class name in connection? Is it in the JDBC url?

    ------------------------------
    Pavan Pothamsetty
    ------------------------------



  • 4.  RE: Configure data server connection for Google Bigquery

    Posted 07/09/20 10:08 AM

    The text control in the connection editor with the label  "Driver class name".



    ------------------------------
    NIGEL CAMPBELL
    ------------------------------



  • 5.  RE: Configure data server connection for Google Bigquery

    Posted 07/09/20 11:10 AM
    Edited by System Admin 01/20/23 04:46 PM
    I dont see Driver class name while creating new data server connection for big query. Not able to upload the screenshot

    ------------------------------
    Pavan Pothamsetty
    ------------------------------



  • 6.  RE: Configure data server connection for Google Bigquery

    Posted 07/09/20 11:40 AM

    Data Server Connections UI and from Admin UI both have a text control box which shows the driver class name.

    If you have further issues, suggest you open a support ticket.



    ------------------------------
    NIGEL CAMPBELL
    ------------------------------



  • 7.  RE: Configure data server connection for Google Bigquery

    Posted 07/09/20 11:57 AM
    Thank you again. I dont see Driver class name for data server connection and available for data source connection.
    Which Cognos Version you are in? We have 11.0.13
    Is JDBC URL format is same for data server connection and data source connection same?
    For data source connection, signon is the google cloud account which has access or service account?

    ------------------------------
    Pavan Pothamsetty
    ------------------------------