# "type": "mapper\_parsing\_exception", "reason": "Root mapping definition has unsupported parameters

**URL:** <https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284>\
**Category:** Elasticsearch\
**Created:** [January 20, 2017, 10:30am UTC](https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284 "2017-01-20T10:30:06Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Ramya](https://avatars.discourse-cdn.com/v4/letter/r/e9c0ed/32.png) [@Ramya](https://discuss.elastic.co/u/Ramya)\
**Post date:** [January 20, 2017, 10:30am UTC](https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284/1 "2017-01-20T10:30:06Z")

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PUT /thegame/weapons/\_mapping?ignore\_conflicts=true  
{  
"mappings": {  
"weapons": {  
"properties": {  
"name": {  
"type": "string",  
"analyzer": "full\_name"  
},  
"description": {  
"type": "string"  
},  
"category": {  
"type": "string"  
}  
}  
}  
},  
"settings": {  
"analysis": {  
"analyzer": {  
"full\_name": {  
"filter": [  
"standard",  
"lowercase",  
"asciifolding"  
],  
"type": "custom",  
"tokenizer": "standard"  
}  
}  
}  
}  
}  
I have to update mapping in my index but it shows parsing exception.How to I update mapping in already existing index

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<div class="post-metadata">

**Author:** ![dakrone](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dakrone/32/23351_2.png) [@dakrone](https://discuss.elastic.co/u/dakrone)\
**Post date:** [January 23, 2017, 6:02pm UTC](https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284/2 "2017-01-23T18:02:51Z")

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Can you include the entire output of the exception response that Elasticsearch returns?

It should have more information about which part(s) are the unsupported parameters.

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<div class="post-metadata">

**Author:** ![Ramya](https://avatars.discourse-cdn.com/v4/letter/r/e9c0ed/32.png) [@Ramya](https://discuss.elastic.co/u/Ramya)\
**Post date:** [January 25, 2017, 2:09pm UTC](https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284/3 "2017-01-25T14:09:16Z")

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Hi dakrone ,thank you  
I tried to **update mapping for existing index** so I have done another example but this time also got error  
please see this

 ![](https://us1.discourse-cdn.com/elastic/original/2X/4/4ec532eb33b2d7aa33f3a87c2dcc5e5af8c1b50c.PNG)

thanks in advance..

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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:** [February 22, 2017, 2:09pm UTC](https://discuss.elastic.co/t/type-mapper-parsing-exception-reason-root-mapping-definition-has-unsupported-parameters/72284/4 "2017-02-22T14:09:30Z")

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