Steps to reproduce the issue:
1. Create cluster templates and job template
2. Try to Lauch job execution on the new cluster.
Got the error: An error occurred. Please try again later.
In horizon logs:
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/defaulttags.py", line 576, in render
return self.nodelist.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 905, in render
bit = self.render_node(node, context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/debug.py", line 79, in render_node
return node.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/loader_tags.py", line 56, in render
result = self.nodelist.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 905, in render
bit = self.render_node(node, context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/debug.py", line 79, in render_node
return node.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/defaulttags.py", line 217, in render
nodelist.append(node.render(context))
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/debug.py", line 89, in render
output = self.filter_expression.resolve(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 648, in resolve
obj = self.var.resolve(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 789, in resolve
value = self._resolve_lookup(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 849, in _resolve_lookup
current = current()
File "/home/ubuntu/horizon/horizon/workflows/base.py", line 427, in render
return step_template.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/backends/django.py", line 74, in render
return self.template.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 210, in render
return self._render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 202, in _render
return self.nodelist.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 905, in render
bit = self.render_node(node, context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/debug.py", line 79, in render_node
return node.render(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/debug.py", line 89, in render
output = self.filter_expression.resolve(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 648, in resolve
obj = self.var.resolve(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 789, in resolve
value = self._resolve_lookup(context)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/base.py", line 849, in _resolve_lookup
current = current()
File "/home/ubuntu/horizon/horizon/workflows/base.py", line 432, in get_help_text
text += self.action.get_help_text()
File "/home/ubuntu/horizon/horizon/workflows/base.py", line 159, in get_help_text
tmpl = template.loader.get_template(self.help_text_template)
File "/home/ubuntu/horizon/.tox/venv/local/lib/python2.7/site-packages/django/template/loader.py", line 46, in get_template
raise TemplateDoesNotExist(template_name)
TemplateDoesNotExist: data_processing.clusters/_create_general_help.html
There might be multiple problems at hand here. .clusters/ _create_ general_ help.html should be clusters/ _create_ general_ help.html
For sure, one problem is the template name at the end of the stack trace. data_processing