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From Dhiddi Sunil <>
Subject Web UI is giving below error while logging in
Date Mon, 09 Aug 2021 17:59:59 GMT
Hi Team,

Can any one help on this issue please.
http://prd:6293/login/ after logging in its giving below error

Something bad has happened.
Please consider letting us know by creating a bug report using GitHub<>.

Python version: 3.7.5
Airflow version: 2.0.1
Traceback (most recent call last):
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask_appbuilder/security/",
line 1126, in auth_user_ldap
    import ldap
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/ldap/", line 34, in
    import _ldap
ImportError: /usr/lib64/ undefined symbol: EVP_KDF_ctrl, version OPENSSL_1_1_1b

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 2447, in
    response = self.full_dispatch_request()
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 1952, in
    rv = self.handle_user_exception(e)
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 1821, in
    reraise(exc_type, exc_value, tb)
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 39, in
    raise value
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 1950, in
    rv = self.dispatch_request()
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask/", line 1936, in
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask_appbuilder/security/",
line 515, in login,
  File "/airflow/etl/pyenv/pysdm/lib/python3.7/site-packages/flask_appbuilder/security/",
line 1128, in auth_user_ldap
    raise Exception("No ldap library for python.")
Exception: No ldap library for python.

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