message: [Mod] Correct the function name
  dumpErrorDetailImpl is right.
diff: @@ -1711,7 +1711,7 @@ class Cluster(object):
  return self.updateNodesStatus()
  - def dumpErrorDEtailImpl(self,fileName):
  + def dumpErrorDetailImpl(self,fileName):
  Utils.Print("=================================================================")
  Utils.Print("Contents of %s:" % (fileName))
  with open(fileName, "r") as f:
  