spring boot elasticsearch java.lang.NoSuchFieldError: INDEX_CONTENT_TYPE error

Question

java.lang.NoSuchFieldError: INDEX_CONTENT_TYPE error

Elasticsearch Version: 7.16.2

    // elasticsearch
    implementation 'org.springframework.data:spring-data-elasticsearch:4.3.0'
    implementation 'org.elasticsearch:elasticsearch:7.16.2'
    implementation 'org.elasticsearch.client:elasticsearch-rest-high-level-client:7.16.2'

    // jackson-core
    implementation 'com.fasterxml.jackson.core:jackson-core:2.13.1'

public <T> void bulk(String indexName, List<T> documents, Class<T> tClass) {
        elasticsearchIndex.setIndexName(indexName);
        List<IndexQuery> queries = new ArrayList<>();
        for (T document : documents) {
            IndexQuery query = new IndexQueryBuilder()
                    .withObject(document)
                    .build();
            queries.add(query);
        }
        IndexOperations indexOps = elasticsearchTemplate.indexOps(tClass);
        if (!indexOps.exists()) {
            indexOps.create();
            indexOps.putMapping(indexOps.createMapping());
        }
        elasticsearchTemplate.bulkIndex(queries, tClass); // error
    }

@Getter @Setter @ToString
@Document(indexName = "#{@elasticsearchIndex.getIndexName()}")

java.lang.NoSuchFieldError: INDEX_CONTENT_TYPE

Answer 1

remove gradle build

and add

implementation 'org.springframework.boot:spring-boot-starter-data-elasticsearch:2.6.2'

Answer 2

I experienced this same issue. I resolved it by downgrading Elastic Search and dependencies from 7.16 to 7.15 .

The current documentation shows that 7.15.2 is the highest version currently support (or tested for release).