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oracle / python-cx_Oracle

Python interface to Oracle Database now superseded by python-oracledb
https://oracle.github.io/python-cx_Oracle
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cx_Oracle library erroring in Databricks since this monday - DatabaseError: (cx_Oracle.DatabaseError) DPI-1047 #634

Closed aravindk777 closed 2 years ago

aravindk777 commented 2 years ago

Hi,

I have been using this library for very long in AWS databricks and it used to work without any issues, but since this Monday (7/25) I started to get the below error. I could not find any reason myself behind this error and wonder if any recent upgrades have this side effect.

I tried restarting my cluster to see if this would get re-installed but still seeing this issue. This was installed using PyPI for Databricks. 

DatabaseError: (cx_Oracle.DatabaseError)
 DPI-1047: Cannot locate a 64-bit Oracle Client library: "libclntsh.so: cannot open shared object file: No such file or directory". 
See https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html for help

Can someone help on how to resolve this?

cjbj commented 2 years ago

If an AWS friendly reader can't help you work out your AWS library loading issue, you could try the new version of cx_Oracle, since it doesn't necessarily need the Oracle Client libraries, see the release announcement.

cjbj commented 2 years ago

Closing - no update or additional info is available.

aravindk777 commented 2 years ago

Hey sorry for getting back to this so late, but we literally got to know the root cause and found a workaround solution for that.

Cause: databricks was somehow losing the init scripts we have and that has the library configs including env variables setup.

Why and how did it lose: not sure, but working with Databricks support internally as first step.

Solution: had to restore the init script setup and restarting the cluster solves this issue.

On Tue, Aug 30, 2022, 7:45 AM Christopher Jones @.***> wrote:

Closing - no update or additional info is available.

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cjbj commented 2 years ago

@aravindk777 thanks for sharing the solution. I'm glad you got it working.