OpenSSL missing BIO_do_connect in libeay32.dll

  • 9 months ago
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The error message "OpenSSL missing BIO_do_connect in libeay32.dll" indicates that the BIO_do_connect function is not found in the OpenSSL library libeay32.dll. This function is used to initiate a connection using a BIO object in OpenSSL.

Here are some steps you can take to address this issue:

  1. Check OpenSSL Version:
    Ensure that you are using a compatible version of the OpenSSL library. Some functions might have been deprecated or renamed in different versions. Make sure you are using a version that supports the BIO_do_connect function.

  2. Reinstall OpenSSL:
    If you suspect that your OpenSSL installation is incomplete or corrupted, consider reinstalling it from a reliable source.

  3. Check Library Path:
    Verify that your application is properly linking to the correct OpenSSL library. Make sure the library path is correctly set, and the application is loading the appropriate libeay32.dll file.

  4. Update Libraries:
    Update your OpenSSL libraries to a more recent version that includes the necessary functions. Older versions might not have all the features and functions you need.

  5. Check Compilation Flags:
    If you are compiling your code, ensure that you are using the appropriate compiler flags and options to link against OpenSSL. Incorrect compilation flags could lead to missing function references.

  6. Check Dependency Order:
    If you have multiple libraries that depend on each other, ensure that you are linking them in the correct order. Libraries with dependencies should generally be listed after the libraries they depend on.

  7. Check Operating System:
    Ensure that your operating system and architecture are compatible with the version of OpenSSL you are using.

  8. Check Third-Party Libraries:
    If you are using third-party libraries that depend on OpenSSL, ensure that they are properly configured to work with your version of OpenSSL.

  9. Consult Documentation:
    Refer to the documentation of the OpenSSL library you are using for any specific guidance related to function availability and usage.

  10. Consider OpenSSL Alternatives:
    If you continue to face issues with OpenSSL, you might consider using alternative libraries or tools that provide similar functionality.

If you're still encountering the issue after trying these steps, it's recommended to seek help on relevant developer forums, mailing lists, or communities where experts in OpenSSL and programming can provide further assistance based on the specifics of your situation.