# ES 2.3.3 to ES 5.5.3

**URL:** <https://discuss.elastic.co/t/es-2-3-3-to-es-5-5-3/102057>\
**Category:** Elasticsearch\
**Created:** [September 28, 2017, 4:09am UTC](https://discuss.elastic.co/t/es-2-3-3-to-es-5-5-3/102057 "2017-09-28T04:09:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ctayal1211](https://avatars.discourse-cdn.com/v4/letter/c/e95f7d/32.png) [@ctayal1211](https://discuss.elastic.co/u/ctayal1211)\
**Post date:** [September 28, 2017, 4:09am UTC](https://discuss.elastic.co/t/es-2-3-3-to-es-5-5-3/102057/1 "2017-09-28T04:09:21Z")

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Hi,

I am new to elasticsearch, I am currently using es 5.5.3. I have previous code which was using ES 2.3.3 and it was doing following

It created .kibana index in ES, after that it is creating .kibana/index-pattern/epls\_cache\_\*

Question1: .kibana/index-pattern/epls\_cache\_\* what is this ? is it index inside another index?

then it tries to post following array

[  
{  
"name": "\_index",  
"type": "string",  
"count": 0,  
"scripted": false,  
"indexed": false,  
"analyzed": false,  
"doc\_values": false  
}  
]

but I see that I am getting following error:

{  
"error": {  
"root\_cause": [  
{  
"type": "mapper\_parsing\_exception",  
"reason": "failed to parse"  
}  
],  
"type": "mapper\_parsing\_exception",  
"reason": "failed to parse",  
"caused\_by": {  
"type": "not\_x\_content\_exception",  
"reason": "Compressor detection can only be called on some xcontent bytes or compressed xcontent bytes"  
}  
},  
"status": 400  
}

Question2: What am I doing wrong? and how to resolve it

Thanks,  
Chirag

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 26, 2017, 4:09am UTC](https://discuss.elastic.co/t/es-2-3-3-to-es-5-5-3/102057/2 "2017-10-26T04:09:24Z")

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Closed on October 26, 2017, 4:09am UTC

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