# Can't use elasticsearch connector properly

**URL:** <https://discuss.elastic.co/t/cant-use-elasticsearch-connector-properly/312392>\
**Category:** Elasticsearch\
**Created:** [August 18, 2022, 2:18pm UTC](https://discuss.elastic.co/t/cant-use-elasticsearch-connector-properly/312392 "2022-08-18T14:18:23Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Sarindra\_Therese](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sarindra_therese/32/103180_2.png) [@Sarindra\_Therese](https://discuss.elastic.co/u/Sarindra_Therese)\
**Post date:** [August 18, 2022, 2:18pm UTC](https://discuss.elastic.co/t/cant-use-elasticsearch-connector-properly/312392/1 "2022-08-18T14:18:23Z")

</div>

Hey,  
I need to use source connector elasticsearch to send data from elasticsearch to kafka.  
Unfortunately, i Have some trouble in elasticsearch, maybe i don't configure elasticsearch properly.

when i go to this link [https://localhost:9200/\_cat/indices?v](https://localhost:9200/_cat/indices?v) i have this:

```auto
health status index uuid pri rep docs.count docs.deleted store.size pri.store.size
yellow open test R9t_ToRpQGyi_tTw6MdkSA 1 1 15 0 15.5kb 15.5kb
green open kibana_sample_data_ecommerce tRcxyLrsSKuWcmOx3ZNKew 1 0 4675 0 4mb 4mb

```

and the properties I create in kafka is:

```auto
{
  "name": "elastic-source",
  "config": {
    "name": "elastic-source",
    "connector.class": "com.github.dariobalinzo.ElasticSourceConnector",
    "tasks.max": "1",
    "errors.log.enable": "true",
    "errors.log.include.messages": "true",
    "es.host": "127.0.0.1",
    "es.port": "9200",
    "es.user": "elastic",
    "es.password": "sarindra",
    "index.prefix": "",
    "topic.prefix": "test"
  }
}

```

the error in log is:

```auto
[2022-08-18 17:11:18,707] ERROR [elastic-source|worker] error in searching index names (com.github.dariobalinzo.elastic.ElasticRepository:193)
[2022-08-18 17:11:18,708] ERROR [elastic-source|worker] Error while trying to get updated topics list, ignoring and waiting for next table poll interval (com.github.dariobalinzo.elastic.ElasticIndexMonitorThread:92)

```

Maybe the index.prefix and topic.prefix? i don't know what the differences  
thanks

---

<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:** [September 15, 2022, 2:19pm UTC](https://discuss.elastic.co/t/cant-use-elasticsearch-connector-properly/312392/2 "2022-09-15T14:19:13Z")

</div>

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