2009-10-31 14:50:47,811 ERROR zen.ZenActions: unexpected exception
Traceback (most recent call last):
  File "/usr/local/zenoss/zenoss/Products/ZenEvents/zenactions.py", line 564, in runCycle
    self.mainbody()
  File "/usr/local/zenoss/zenoss/Products/ZenEvents/zenactions.py", line 557, in mainbody
    self.heartbeatEvents()
  File "/usr/local/zenoss/zenoss/Products/ZenEvents/zenactions.py", line 488, in heartbeatEvents
    hostname = self.fetchMonitorHostname(monitor)
  File "/usr/local/zenoss/zenoss/Products/ZenEvents/zenactions.py", line 463, in fetchMonitorHostname
    hostname = self.dmd.Monitors.getPerformanceMonitor(monitor).hostname
AttributeError: hostname