# IndexNotFoundException: how to recover?
**URL:** https://discuss.elastic.co/t/indexnotfoundexception-how-to-recover/21913
**Category:** Elasticsearch
**Created:** [January 29, 2015, 10:18pm UTC](https://discuss.elastic.co/t/indexnotfoundexception-how-to-recover/21913 "2015-01-29T22:18:09Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Nicolas\_Terray](https://discuss.elastic.co/u/Nicolas_Terray)
#### Post date: [January 29, 2015, 10:18pm UTC](https://discuss.elastic.co/t/indexnotfoundexception-how-to-recover/21913/1 "2015-01-29T22:18:09Z")
Howdy all,
My cluster gone mad after customising http.max\_content\_length (256mb) in
order to be able to index bigger file (default is 100Mb) through HTTP api.
It didn't work so I reverted to the default value, but the cluster is not
healthy anymore:
{
"cluster\_name" : "elasticsearch",
"status" : "red",
"timed\_out" : false,
"number\_of\_nodes" : 1,
"number\_of\_data\_nodes" : 1,
"active\_primary\_shards" : 0,
"active\_shards" : 0,
"relocating\_shards" : 0,
"initializing\_shards" : 0,
"unassigned\_shards" : 4
}
Here is an extract of the log:
>
I would like to investigate/debug further on the following error:
IndexNotFoundException[no segments\* file found in
store(least\_used[rate\_limited(mmapfs(/data/data/elasticsearch/nodes/0/indices/docman/0/index),
type=MERGE, rate=20.0)]): files: []
However I don't know how/where to start. I tried to remove segments.gen
since I found similar issue on the internets, but I don't have any file
named segments.gen...
> **[Elasticsearch 0.90.10 Released
| Elastic](https://www.elastic.co/blog/0-90-10-released)**
>
> Today, we are happy to announce the release of Elasticsearch 0.90.10, which is based on Lucene 4.6. This is the current stable release in the 0.90 series. You can download it here.This release fixes a...
I'm using elasticsearch 1.2.1.
Does someone already encountered this issue?
Kind regards,
Nicolas Terray
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---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:35am UTC](https://discuss.elastic.co/t/indexnotfoundexception-how-to-recover/21913/2 "2017-07-06T00:35:48Z")