When I restart hean-engine it shows the following error:
2015-04-24 11:10:25.761 TRACE heat-engine Traceback (most recent call last):
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/bin/heat-engine", line 74, in <module>
2015-04-24 11:10:25.761 TRACE heat-engine launcher = service.launch(srv, workers=cfg.CONF.num_engine_workers)
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 493, in launch
2015-04-24 11:10:25.761 TRACE heat-engine launcher.launch_service(service, workers=workers)
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 328, in launch_service
2015-04-24 11:10:25.761 TRACE heat-engine self._start_child(wrap)
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 309, in _start_child
2015-04-24 11:10:25.761 TRACE heat-engine status, signo = self._child_wait_for_exit_or_signal(launcher)
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 267, in _child_wait_for_exit_or_signal
2015-04-24 11:10:25.761 TRACE heat-engine launcher.stop()
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 125, in stop
2015-04-24 11:10:25.761 TRACE heat-engine self.services.stop()
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/openstack/common/service.py", line 453, in stop
2015-04-24 11:10:25.761 TRACE heat-engine service.stop()
2015-04-24 11:10:25.761 TRACE heat-engine File "/usr/local/lib/python2.7/dist-packages/osprofiler/profiler.py", line 105, in wrapper
2015-04-24 11:10:25.761 TRACE heat-engine return f(*args, **kwargs)
2015-04-24 11:10:25.761 TRACE heat-engine File "/opt/stack/heat/heat/engine/service.py", line 380, in stop
2015-04-24 11:10:25.761 TRACE heat-engine for stack_id in six.iterkeys(self.thread_group_mgr.groups):
2015-04-24 11:10:25.761 TRACE heat-engine RuntimeError: dictionary changed size during iteration
Fix proposed to branch: master /review. openstack. org/177318
Review: https:/