Error in #wmf-deploy-2016-11-01_1.29.0-wmf.1
https://logstash.wikimedia.org/app/kibana#/doc/logstash-*/logstash-2016.11.02/mediawiki/?id=AVgmm9qOcJvqzGkjwHEy
`Unable to deliver event: 400: Must provide body in request.`
```
{
"_index": "logstash-2016.11.02",
"_type": "mediawiki",
"_id": "AVgmm9qOcJvqzGkjwHEy",
"_score": null,
"_source": {
"message": "Unable to deliver event: 400: Must provide body in request.",
"@version": 1,
"@timestamp": "2016-11-02T19:54:58.000Z",
"type": "mediawiki",
"host": "mw1164",
"level": "ERROR",
"tags": [
"syslog",
"es",
"es"
],
"channel": "EventBus",
"normalized_message": "Unable to deliver event: 400: Must provide body in request.",
"url": "/rpc/RunJobs.php?wiki=commonswiki&type=refreshLinks&maxtime=30&maxmem=300M",
"ip": "127.0.0.1",
"http_method": "POST",
"server": "127.0.0.1",
"referrer": null,
"wiki": "commonswiki",
"mwversion": "1.29.0-wmf.1",
"reqId": "7a74bdd65bc04eb4f1c99f62",
"response": {
"body": ""
}
},
```
Probably a blocker for T149059 to roll out to group 2.