# Update\_By\_Query not creating task
**URL:** https://discuss.elastic.co/t/update-by-query-not-creating-task/166535
**Category:** Elasticsearch
**Created:** [January 31, 2019, 10:43am UTC](https://discuss.elastic.co/t/update-by-query-not-creating-task/166535 "2019-01-31T10:43:47Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@gtflagship](https://discuss.elastic.co/u/gtflagship)
#### Post date: [January 31, 2019, 10:43am UTC](https://discuss.elastic.co/t/update-by-query-not-creating-task/166535/1 "2019-01-31T10:43:47Z")
When running:
ubqResponse = ElasticClient.UpdateByQuery(u =\> u
.Type("entity")
.Index(IndexName)
.Query(q =\> ubqquery)
.WaitForCompletion(false)
.Slices(ubqslices)
.Script(script =\> script.Source(ubqscript).Params(ubqparams)));
I then attempt to get the task that should have been created by:
var currentTask = ubqResponse.Task;
var status = ElasticClient.GetTask(currentTask);
However ocasionally whenever I try to get the task I get the following error in code and in Kibana:
{
"error": {
"root\_cause": [
{
"type": "resource\_not\_found\_exception",
"reason": "task [WKeOw\_8eShy-Fvk6lFCWWA:6047942] isn't running and hasn't stored its results"
}
],
"type": "resource\_not\_found\_exception",
"reason": "task [WKeOw\_8eShy-Fvk6lFCWWA:6047942] isn't running and hasn't stored its results"
},
"status": 404
}
When breakpointing and retrying the Update\_By\_Query with the same properties it works fine.
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [February 28, 2019, 10:43am UTC](https://discuss.elastic.co/t/update-by-query-not-creating-task/166535/2 "2019-02-28T10:43:54Z")
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