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Troubleshoot the Hive connector in Azure Data Factory and Azure Synapse

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APPLIES TO: Azure Data Factory Azure Synapse Analytics

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This article provides suggestions to troubleshoot common problems with the Hive connector in Azure Data Factory and Azure Synapse.

The performance difference between the ODBC connector and the Hive connector

  • Symptoms: The concern about the performance difference between the ODBC connector and the Hive connector.

  • Cause: The ODBC connector needs its own driver, which may cause the performance difference due to the third-party driver quality.

  • Recommendation: Use the Hive connector firstly.

Unexpected response received from the server when connecting to the Hive server via ODBC

  • Symptoms: When connecting to the Hive server using ODBC linked service, you meet this error message: ERROR [HY000] [Cloudera][DriverSupport] (1110) Unexpected response received from server. Please ensure the server host and port specified for the connection are correct and confirm if SSL should be enabled for the connection.

  • Cause: You use the Kerberos authentication that is not supported in Azure Data Factory.

  • Recommendation: Try the following steps. If they do not work, check the provided driver to resolve this issue.

    1. The krb5.ini file is in the C:\Program Files\MIT\Kerberos\bin folder.
    2. Add the KRB5_CONFIG and KRB5CCNAME to the system variable as well.
    3. Edit the krb5.ini file.
    4. Shut down and restart the VM and the SHIR from the machine.

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For more troubleshooting help, try these resources: