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How to use the elasticsearch Attachment Processor with node.js

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0

I'm making an application to search for words or phrases in .PDF files and I made the following code (Found on the internet):

const elasticsearch = require('elasticsearch');
const fse = require('fs-extra')

let client = new elasticsearch.Client(
 host: "localhost:9200",
 log: ["error", "warning"]
);

client.indices.create(index: 'files')
.then(() => 
 // create a mapping for the attachment
 return client.indices.putMapping(
 index: 'files',
 type: 'document',
 body: 
 document: 
 properties: 
 file: 
 type: 'attachment',
 fields: 
 content: 
 type: 'string',
 term_vector: 'with_positions_offsets',
 store: true
 
 
 
 
 
 
 );
);

const fileContents = fse.readFileSync('C:\Users\JoaoDJunior\Downloads\João D. Junior - rc.pdf');
const fileBase64 = new Buffer(fileContents).toString('base64');
//console.log(fileBase64);
client.create(
 index: 'files',
 type: 'document',
 id: 'somefileid',
 body: 
 file_id: 'somefileid',
 file: 
 _content: fileBase64
 
 
)
.catch((err) => 
 console.error('Error while creating elasticsearch record', err);
);

client.search(
 q: 'java',
 index: 'files'
, (error, result) => 
 if (error) return console.log(error);
 console.log(result.hits);
);

The problem is that I can not get the words inside the document. Is there any error in my code, could anyone help?

node.js pdf elasticsearch

share|improve this question

asked Mar 23 at 18:33

João JuniorJoão Junior

596

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What version of Elasticsearch are you using and what is the error that you are getting?
  
  – leandrojmp
  Mar 24 at 1:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @leandrojmp, version 6.6.2
  
  – João Junior
  Mar 25 at 14:03
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The attachment type was deprecated on version 5.0 and removed on version 6.0, you need to use the ingest plugin: elastic.co/guide/en/elasticsearch/plugins/6.6/…
  
  – leandrojmp
  Mar 25 at 15:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @leandrojmp yes, I already read the official documentation, and realized that this code would not work. however there are no examples of how to do this with node.js.
  
  – João Junior
  Mar 25 at 15:19
  

  
  
  
  

add a comment | 

0

I'm making an application to search for words or phrases in .PDF files and I made the following code (Found on the internet):

const elasticsearch = require('elasticsearch');
const fse = require('fs-extra')

let client = new elasticsearch.Client(
 host: "localhost:9200",
 log: ["error", "warning"]
);

client.indices.create(index: 'files')
.then(() => 
 // create a mapping for the attachment
 return client.indices.putMapping(
 index: 'files',
 type: 'document',
 body: 
 document: 
 properties: 
 file: 
 type: 'attachment',
 fields: 
 content: 
 type: 'string',
 term_vector: 'with_positions_offsets',
 store: true
 
 
 
 
 
 
 );
);

const fileContents = fse.readFileSync('C:\Users\JoaoDJunior\Downloads\João D. Junior - rc.pdf');
const fileBase64 = new Buffer(fileContents).toString('base64');
//console.log(fileBase64);
client.create(
 index: 'files',
 type: 'document',
 id: 'somefileid',
 body: 
 file_id: 'somefileid',
 file: 
 _content: fileBase64
 
 
)
.catch((err) => 
 console.error('Error while creating elasticsearch record', err);
);

client.search(
 q: 'java',
 index: 'files'
, (error, result) => 
 if (error) return console.log(error);
 console.log(result.hits);
);

The problem is that I can not get the words inside the document. Is there any error in my code, could anyone help?

node.js pdf elasticsearch

share|improve this question

asked Mar 23 at 18:33

João JuniorJoão Junior

596

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  What version of Elasticsearch are you using and what is the error that you are getting?
  
  – leandrojmp
  Mar 24 at 1:19
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @leandrojmp, version 6.6.2
  
  – João Junior
  Mar 25 at 14:03
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The attachment type was deprecated on version 5.0 and removed on version 6.0, you need to use the ingest plugin: elastic.co/guide/en/elasticsearch/plugins/6.6/…
  
  – leandrojmp
  Mar 25 at 15:00
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @leandrojmp yes, I already read the official documentation, and realized that this code would not work. however there are no examples of how to do this with node.js.
  
  – João Junior
  Mar 25 at 15:19
  

  
  
  
  

add a comment | 

I'm making an application to search for words or phrases in .PDF files and I made the following code (Found on the internet):

const elasticsearch = require('elasticsearch');
const fse = require('fs-extra')

let client = new elasticsearch.Client(
 host: "localhost:9200",
 log: ["error", "warning"]
);

client.indices.create(index: 'files')
.then(() => 
 // create a mapping for the attachment
 return client.indices.putMapping(
 index: 'files',
 type: 'document',
 body: 
 document: 
 properties: 
 file: 
 type: 'attachment',
 fields: 
 content: 
 type: 'string',
 term_vector: 'with_positions_offsets',
 store: true
 
 
 
 
 
 
 );
);

const fileContents = fse.readFileSync('C:\Users\JoaoDJunior\Downloads\João D. Junior - rc.pdf');
const fileBase64 = new Buffer(fileContents).toString('base64');
//console.log(fileBase64);
client.create(
 index: 'files',
 type: 'document',
 id: 'somefileid',
 body: 
 file_id: 'somefileid',
 file: 
 _content: fileBase64
 
 
)
.catch((err) => 
 console.error('Error while creating elasticsearch record', err);
);

client.search(
 q: 'java',
 index: 'files'
, (error, result) => 
 if (error) return console.log(error);
 console.log(result.hits);
);

The problem is that I can not get the words inside the document. Is there any error in my code, could anyone help?

node.js pdf elasticsearch

share|improve this question

asked Mar 23 at 18:33

João JuniorJoão Junior

596

const elasticsearch = require('elasticsearch');
const fse = require('fs-extra')

let client = new elasticsearch.Client(
 host: "localhost:9200",
 log: ["error", "warning"]
);

client.indices.create(index: 'files')
.then(() => 
 // create a mapping for the attachment
 return client.indices.putMapping(
 index: 'files',
 type: 'document',
 body: 
 document: 
 properties: 
 file: 
 type: 'attachment',
 fields: 
 content: 
 type: 'string',
 term_vector: 'with_positions_offsets',
 store: true
 
 
 
 
 
 
 );
);

const fileContents = fse.readFileSync('C:\Users\JoaoDJunior\Downloads\João D. Junior - rc.pdf');
const fileBase64 = new Buffer(fileContents).toString('base64');
//console.log(fileBase64);
client.create(
 index: 'files',
 type: 'document',
 id: 'somefileid',
 body: 
 file_id: 'somefileid',
 file: 
 _content: fileBase64
 
 
)
.catch((err) => 
 console.error('Error while creating elasticsearch record', err);
);

client.search(
 q: 'java',
 index: 'files'
, (error, result) => 
 if (error) return console.log(error);
 console.log(result.hits);
);

node.js pdf elasticsearch

node.js pdf elasticsearch

share|improve this question

asked Mar 23 at 18:33

João JuniorJoão Junior

596

share|improve this question

asked Mar 23 at 18:33

João JuniorJoão Junior

596

asked Mar 23 at 18:33

João JuniorJoão Junior

596

asked Mar 23 at 18:33

João JuniorJoão Junior

596