elasticsearch - how to update the index setting,mapping after creating the index in elastic search on node.js -

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i'm trying update setting , mapping index after creating in elastic search using node.js.when try update mapping , settings values in index not change.it remains in default settings.kindly suggest me way fix this. here mention coding.

  fs.readfile('./article_settings.json', 'utf8', function (err, data) {     if (err) throw err;     settingsvalue = json.parse(data);     console.log("settings json");     console.log(settingsvalue);     return elasticclient.indices.putmapping({             index: indexname,             type : type_name,             body: { "settings" : settingsvalue}     });    });   fs.readfile('./article_mapping.json', 'utf8', function (err, data) {     if (err) throw err;     mapping = json.parse(data);     console.log("mapping json");     console.log(mapping);     return elasticclient.indices.putmapping({             index: indexname,             type : type_name,             body: {                   "mappings":{                       "articles" :{                           "properties" : mapping                        }                     }             }     });

which produces error like.

> unhandled rejection error: indexmissingexception[[mhcarticle] missing]     @ respond (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/transport.js:264:15)     @ checkrespforfailure (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/transport.js:223:7)     @ httpconnector.<anonymous> (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/connectors/http.js:155:7)     @ incomingmessage.wrapper (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/node_modules/lodash/index.js:3095:19)     @ incomingmessage.eventemitter.emit (events.js:117:20)     @ _stream_readable.js:920:16     @ process._tickcallback (node.js:415:13) elasticsearch debug: 2016-02-25t13:13:48z   request complete  elasticsearch debug: 2016-02-25t13:13:48z   request complete  unhandled rejection error: mapperparsingexception[root type mapping not empty after parsing! remaining fields:   [mappings : {articles={properties={id={type=string, index=not_analyzed}, refference_id={type=string, index=not_analyzed}, key={type=string, index=not_analyzed}, url={type=string, index=not_analyzed}, created_on={type=string, index=not_analyzed}, status={type=string, index=not_analyzed}, title={type=string, index=not_analyzed}, description={type=string, index=not_analyzed}, batch_id={type=string, index=not_analyzed}, thumbnail={type=string, index=not_analyzed}, reference_key_id={type=string, index=not_analyzed}}}}]]     @ respond (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/transport.js:264:15)     @ checkrespforfailure (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/transport.js:223:7)     @ httpconnector.<anonymous> (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/src/lib/connectors/http.js:155:7)     @ incomingmessage.wrapper (/home/100095/nodesamp/mhc-search/node_modules/elasticsearch/node_modules/lodash/index.js:3095:19)     @ incomingmessage.eventemitter.emit (events.js:117:20)     @ _stream_readable.js:920:16     @ process._tickcallback (node.js:415:13)

kindly let me know how fix issue.thanks in advance.

after change code based on comments looks :

function initmapping(indexname,type_name){   var fs = require('fs');   var mapping;   console.log(type_name);   if(type_name == "articles"){       fs.readfile('./article_settings.json', 'utf8', function (err, data) {         if (err) throw err;         settingsvalue = json.parse(data);         console.log("settings json");         console.log(settingsvalue);         elasticclient.indices.close(indexname);         return elasticclient.indices.putsettings({                 index: indexname,                 type : type_name,                 body: { "settings" : settingsvalue}         });        });       elasticclient.indices.open(indexname);       fs.readfile('./article_mapping.json', 'utf8', function (err, data) {         if (err) throw err;         mapping = json.parse(data);         console.log("mapping json");         console.log(mapping);         return elasticclient.indices.putmapping({                 index: indexname,                 type : type_name,                 body: {                       "mappings":{                           "articles" :{                               "properties" : mapping                            }                         }                 }         });        });    } }


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