ETL Jobs failed due to Database Driver Error....in OBIA 7961(Case Management Analytics) — Oracle Analytics

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ETL Jobs failed due to Database Driver Error....in OBIA 7961(Case Management Analytics)

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user11932033
user11932033 Rank 3 - Community Apprentice
in Oracle Business Intelligence Applications

Dear All,

The Incremental  ETL load was running in production perfectly fine from past few months. Suddenly from past 2-3 weeks i am facing sudden failure of ETL jobs with error Database Driver Error...,

And once i restart the load from DAC the job runs successfully.

I checked with the network team and DBA and they didn't found any logs.

I checked the logs in Informatica Admin console. Please find attached herewith.

Hope to get some pointers to resolve this issue.

Regards,

Tarang Jain

Answers

  • [Deleted User]
    [Deleted User] Rank 2 - Community Beginner 
    2016-08-02 08:36:35 : INFO : (38648 | 13308) : (RS | ADSIC_DWH_REP) : VMEMERALD : CNX_53117 : Repository service process failed to process request ID 250, request operation code 447, reply operation code 447. Return Status: 2.2016-08-02 08:36:35 : ERROR : (38648 | 13308) : (RS | ADSIC_DWH_REP) : VMEMERALD : OBJM_54542 : ORA-03135: connection lost contactProcess ID: 23073Session ID: 76 Serial number: 45741[...]2016-08-02 00:05:46 : ERROR : (106236 | 102124) : (IS | Adsic_Integration_Service) : VMEMERALD : LM_36060 : Detected a failure on the repository connection(s).

    The connection seen to break or get terminated between your repository server and the database. Check the network, the availability of the database server and if there's for example a firewall blocking issue on one of the machines involved. Just some things off the top of my head since the forums here contain several hundred posts just on the ORA-03135 issue itself: https://www.google.com/search?q=ORA-03135+site:community.oracle.com

  • user11932033
    user11932033 Rank 3 - Community Apprentice

    Hi Cristian,

    Thanks for your reply.

    I checked with network team and we have firewall settings enabled, however the firewall termination rule is set to 6 hours. So i am not sure now whether firewall is causing this issue.

    any other thoughts.

    Regards,

    Tarang Jain

  • [Deleted User]
    [Deleted User] Rank 2 - Community Beginner

    Yes: TEST this. Empirically rather than just "It's 6h it might not be this".

  • user11932033
    user11932033 Rank 3 - Community Apprentice

    Hi Chris,

    NO luck as of now, still the ETL is failing and restart execution plan works successfully. Checked with the network team they dont have any observations , network is perfectly fine. Also checked with DBA , he also didn't find any alert logs in DB.

    Please provide some pointer which can help me to debug this issue.

    Regards,

    Tarang Jain

  • [Deleted User]
    [Deleted User] Rank 2 - Community Beginner

    You mentioned Firewall settings but didn't test those? Or is that what you say your network team tested?

  • user11932033
    user11932033 Rank 3 - Community Apprentice

    Hi Chris,

    Network team tested and said that they didn't find any packet loss in network.

    Regards,

    Tarang Jain

  • [Deleted User]
    [Deleted User] Rank 2 - Community Beginner

    With the information at hand I can't tell you much more than what I said before. You have to find the blocking issue. Problems like that can't materialize out of thing air. Something must have happened or has been changed.