We're getting this error periodically. Out of hundreds of successful requests it'll happen about twice.
[INDENT] {"error":{"code":400,"message":"Unable to complete operation.","details":["Error executing tool.:
Traceback (most recent call last):
File \"D:\\arcgisserver\\directories\\arcgissystem\\arcgisinput\\EDDM\\getRouteStats.GPServer\\extracted\\v101\\eddm\\getRouteStats.py\", line 3, in \u003cmodule\u003e
import sys, os, arcpy
File \"d:\\arcgis\\server\\arcpy\\arcpy\\__init__.py\", line 33, in \u003cmodule\u003e
import arcpy.utils as utils
AttributeError: 'module' object has no attribute 'utils'
Failed to execute (getRouteStats).\nFailed to execute (getRouteStats)."]}}
[/INDENT]
It's thrown on a line written by arcgis: import sys, os, arcpy