Facing issue with a sqlalchemy + db2(remote server) application.
Dependency installed:
- SQLAlchemy==1.4.21
- ibm-db==3.0.4
- ibm-db-sa==0.3.6
- python version = 3.8
Here is the connection snippet:
self.__engine = create_engine(f'ibm_db_sa://{DB2_USER}:{DB2_PASSWD}@{DB2_INSTANCE}/{DB2_DB}')
Seeing below issue:
File "/db-query-service/query_executor/db_reader/db2_reader_with_query.py", line 19, in __init__
self.__engine = create_engine(f'ibm_db_sa://{DB2_USER}:{DB2_PASSWD}@{DB2_INSTANCE}/{DB2_DB}')
File "<string>", line 2, in create_engine
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/util/deprecations.py", line 298, in warned
return fn(*args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/engine/create.py", line 522, in create_engine
entrypoint = u._get_entrypoint()
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/engine/url.py", line 653, in _get_entrypoint
cls = registry.load(name)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/util/langhelpers.py", line 337, in load
return impl.load()
File "/usr/local/lib/python3.8/importlib/metadata.py", line 77, in load
module = import_module(match.group('module'))
File "/usr/local/lib/python3.8/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 961, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 783, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/usr/local/lib/python3.8/site-packages/ibm_db_sa/__init__.py", line 22, in <module>
from . import ibm_db, pyodbc, base, zxjdbc
File "/usr/local/lib/python3.8/site-packages/ibm_db_sa/zxjdbc.py", line 32, in <module>
from sqlalchemy.connectors.zxJDBC import ZxJDBCConnector
ModuleNotFoundError: No module named 'sqlalchemy.connectors.zxJDBC'
Questions:
- Is there any dependency missing or mismatch in versions?
- Is there any issue with
sqlalchemyinstallation? - I removed and reinstalled it to rule that out. - Able to work with Mysql remote db.
zxjdbcis specific tojythoni found, willdb2+Sqlalchemywork with jython implementations.?- If
db2+Sqlalchemywork with cpython, what's the fix for the issue?
Reference Doc:
- Here is the link