title: "libnnz19.so: cannot open shared object file: No such file or directory
body: <p>I have installed cx_oracle(python3) and instant client 21_1 inside a container. When I try to first time I got this error</p>
  <pre class="lang-none prettyprint-override"><code>Cannot locate a 64-bit Oracle Client library: &quot;/python- 
  env/instantclient_21_1/lib/libclntsh.so:
  </code></pre>
  <p>So I have created lib under /python-env/instantclient_21_1/ and tried again, now I'm getting this error</p>
  <blockquote>
  <p>cx_Oracle.DatabaseError: DPI-1047: Cannot locate a 64-bit Oracle Client library: &quot;libnnz19.so: cannot open shared object file: No such file or directory&quot;. See <a href="https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html" rel="nofollow noreferrer">https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html</a> for help</p>
  </blockquote>
  <p>I don't understand where is it searching for the that so file. It is already present in /python-
  env/instantclient_21_1/lib/</p>
  <p>Please help</p>