Symptom
After configure a 1562 AP to prime to the 8.8MR2 ME WLC, the AP joins the WLC and downloads the image and becomes ME capability AP. After it boots into ME WLC, the console is flooding with the following errors:
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
/usr/sbin/nginx-helper: line 115: retry++: not found
Workaround
Reboot the AP. After it reboots, these messages should no longer be seen.