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elasticsearchHow can I index XML data in Elasticsearch?


The XML data can be indexed in Elasticsearch using the Ingest Node. The Ingest Node can be used to parse and index XML data into Elasticsearch.

Example code

PUT _ingest/pipeline/xml_pipeline
{
  "description" : "A pipeline for ingesting XML data",
  "processors" : [
    {
      "xml" : {
        "field" : "message"
      }
    }
  ]
}

This example code creates a pipeline called xml_pipeline that will parse the message field as XML data.

Then, the XML data can be indexed into Elasticsearch by using the _bulk API with the xml_pipeline pipeline.

Example code

POST _bulk
{ "index" : { "_index" : "my_index", "_type" : "_doc", "_pipeline" : "xml_pipeline" } }
{ "message" : "<data><name>John Doe</name><age>30</age></data>" }

Output example

{
  "took" : 0,
  "errors" : false,
  "items" : [
    {
      "index" : {
        "_index" : "my_index",
        "_type" : "_doc",
        "_id" : "1",
        "_version" : 1,
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "result" : "created",
        "_seq_no" : 0,
        "_primary_term" : 1
      }
    }
  ]
}

The xml processor in the xml_pipeline pipeline will parse the message field in the indexed document as XML data and store it as fields in the document.

Code explanation

  • PUT _ingest/pipeline/xml_pipeline: Creates a pipeline called xml_pipeline
  • "xml" : { "field" : "message" }: Configures the xml processor to parse the message field as XML data
  • POST _bulk: Indexes the document with the xml_pipeline pipeline

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