Installation upgrade using the AMI method may fail when using proxy with error 500 displayed

Installation/upgrade to v2.6.0 using the AMI method may fail when using proxy with error 500 displayed

Installation/upgrade to v2.6.0 using the AMI method may fail when using proxy with error 500 displayed:



The following errors may be printed in the cpm_config.log file:
ERROR:  list_aliases(kms.py:42)  Failed getting aliases list (region: us-east-1, account: config, user: config). Exception Got an Exception: Connect timeout on endpoint URL: "https://kms.us-east-1.amazonaws.com/" (UnknownError)
ERROR:  handle_uncaught_exception(exception.py:135)  Internal Server Error: /
Traceback (most recent call last):
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/core/handlers/exception.py", line 41, in inner
    response = get_response(request)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response
    response = self._get_response(request)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/core/handlers/base.py", line 187, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/core/handlers/base.py", line 185, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/views/generic/base.py", line 68, in view
    return self.dispatch(request, *args, **kwargs)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/formtools/wizard/views.py", line 244, in dispatch
    response = super(WizardView, self).dispatch(request, *args, **kwargs)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/django/views/generic/base.py", line 88, in dispatch
    return handler(request, *args, **kwargs)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/formtools/wizard/views.py", line 308, in post
    return self.render_next_step(form)
  File "/opt/n2wsoftware/python/lib/python2.7/site-packages/formtools/wizard/views.py", line 322, in render_next_step
    files=self.storage.get_step_files(next_step),
  File "./cpmconfig/configserver/views.py", line 528, in get_form
  File "./common/aws_services/kms.py", line 44, in list_aliases
ConnectTimeoutError: Connect timeout on endpoint URL:
"https://kms.us-east-1.amazonaws.com/"

If you encounter this error, please use the latest 2.6.X version AMI.

Reference defect number – N2WS-8437, fixed in v2.6.0a (AMI only)
Link to Release Notes and the latest patch – https://support.n2ws.com/portal/kb/articles/release-notes-for-the-latest-v2-6-x-cpm-release