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Troubleshoot the Hive connector in Azure Data Factory and Azure Synapse

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.

For more troubleshooting help, try these resources: