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Data Loader known issues


This page documents known issues that have been identified with recent versions of Data Loader. For known issues that have been identified with Harmony applications, see Known issues. For support, go to Jitterbit Community for Cloud Data Loader.

Multiple versions of Data Loader

  • Data Loader is not compatible with macOS Catalina (10.15)
    Data Loader is not compatible with macOS Catalina (10.15) and later macOS versions.


    May 2024 Update

    Effective as of May 2024 as communicated in the 11.26 Data Loader release notes, Jitterbit no longer intends to distribute a macOS version of Data Loader. The 10.72 version of Data Loader was the last and final macOS version.

    This and prior macOS versions of Data Loader are 32-bit applications, which are incompatible with and will not run on macOS 10.15 Catalina and later.

    You may continue to use this Data Loader version at your own risk. The 10.72 macOS version of Data Loader remains available to download.

10.70 Data Loader

  • Large number of Data Loader logs being generated

    • Summary: Running operations using the Windows version of Data Loader 10.70 results in a large number of logs being quickly generated in C:\Program Files (x86)\Jitterbit Cloud Data Loader\tomcat\logs\jitterbit cloud data loader tomcat server-stdout.<date>.log, causing its file size to grow very big.

    • Additional Information: The issue is caused by the absence of a file (logback.xml) that is normally present in the Data Loader installation. Note that the issue does not affect the macOS version.

    • Workaround: Upgrade to a version of Data Loader that is version 10.72 or later. Data Loader (June 27, 2019)

  • Erroneous warning during installation must be acknowledged

    • Summary: During installation of Data Loader (using the updated installer available as of June 27, 2019) on macOS 10.14 (Mojave), you will receive a warning that "'JitterbitInstallConfigUtils' is not optimized for your Mac and needs to be updated."

    • Workaround: Acknowledge the warning. The installation should proceed successfully.

8.13 - Data Loader (December 20, 2016)

  • Installer is not compatible with macOS 10.14 (Mojave)

    • Summary: Those using macOS 10.14 (Mojave) cannot install Data Loader (using the original installer released December 20, 2016) due to an issue with compatibility of the installer.

    • Workaround: Install Data Loader using the installer available as of June 27, 2019 on the Downloads page of the Harmony portal.