Can't run a workflow with a Shell Action and Files.

Scenario:

• create a workflow with a Shell action.
• add one file in the Files field. In my case: /opt/scripts/bin/run_rake_task.sh
• Run the workflow => 500

[05/Feb/2013 11:30:37 +0000] middleware INFO Processing exception: unsupported operand type(s) for +: 'dict' and 'str': Traceback (most recent call last):
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Django-1.2.3-py2.6.egg/django/core/handlers/base.py", line 100, in get_response
response = callback(request, *callback_args, **callback_kwargs)
File "/usr/share/hue/apps/oozie/src/oozie/decorators.py", line 66, in decorate
return view_func(request, *args, **kwargs)
File "/usr/share/hue/apps/oozie/src/oozie/views/editor.py", line 205, in submit_workflow
job_id = _submit_workflow(request, workflow, mapping)
File "/usr/share/hue/apps/oozie/src/oozie/views/editor.py", line 226, in _submit_workflow
job_id = submission.run()
File "/usr/share/hue/desktop/libs/liboozie/src/liboozie/submittion.py", line 73, in run
deployment_dir = self.deploy()
File "/usr/share/hue/desktop/libs/liboozie/src/liboozie/submittion.py", line 121, in deploy
oozie_xml = self.job.to_xml(self.properties)
File "/usr/share/hue/apps/oozie/src/oozie/models.py", line 442, in to_xml
return re.sub(re.compile('\s*\n+', re.MULTILINE), '\n', django_mako.render_to_string(tmpl,

Unknown macro: {'workflow'}

))
File "/usr/share/hue/desktop/core/src/desktop/lib/django_mako.py", line 105, in render_to_string_normal
result = template.render(**data_dict)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/template.py", line 412, in render
return runtime.render(self, self.callable, args, data)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 766, in _render
**kwargs_for_callable(callable, data))
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 798, in _render_context
_exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 824, in _exec_template
callable_(context, *args, **kwargs)
File "/tmp/tmpfpCjL0/oozie/editor/gen/workflow.xml.mako.py", line 67, in render_body
__M_writer( node.to_xml(mapping) )
File "/usr/share/hue/apps/oozie/src/oozie/models.py", line 548, in to_xml
return django_mako.render_to_string(node.get_template_name(), data)
File "/usr/share/hue/desktop/core/src/desktop/lib/django_mako.py", line 105, in render_to_string_normal
result = template.render(**data_dict)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/template.py", line 412, in render
return runtime.render(self, self.callable, args, data)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 766, in _render
**kwargs_for_callable(callable, data))
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 798, in _render_context
_exec_template(inherit, lclcontext, args=args, kwargs=kwargs)
File "/usr/share/hue/build/env/lib/python2.6/site-packages/Mako-0.7.2-py2.6.egg/mako/runtime.py", line 824, in _exec_template
callable_(context, *args, **kwargs)
File "/tmp/tmpfpCjL0/oozie/editor/gen/workflow-shell.xml.mako.py", line 77, in render_body
__M_writer(escape(unicode( common.distributed_cache(node.get_files(), node.get_archives()) )))
File "/tmp/tmpfpCjL0/oozie/editor/gen/workflow-common.xml.mako.py", line 131, in render_distributed_cache
__M_writer(escape(unicode( filelink(f) )))
File "/tmp/tmpfpCjL0/oozie/editor/gen/workflow-common.xml.mako.py", line 121, in filelink
return render_filelink(context,path)
File "/tmp/tmpfpCjL0/oozie/editor/gen/workflow-common.xml.mako.py", line 84, in render_filelink
__M_writer(escape(unicode( path + '#' + posixpath.basename(path) )))
TypeError: unsupported operand type(s) for +: 'dict' and 'str'
[05/Feb/2013 11:30:36 +0000] resource DEBUG PUT Got response:
[05/Feb/2013 11:30:36 +0000] http_client DEBUG PUT http://namenode1.who.cares.com:50070/webhdfs/v1/user/hue/oozie/workspaces/test-shell?permission=0711&op=SETPERMISSION&user.name=hue&doas=oozie

It seems that each file read from the Shell action is a dict instead of a string.