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Support Article

Unable to access Elastic HTTP Backend



Unable to access the REST APIs associated with an embedded instance of Elastic Search HTTP Backend which is pre-packaged with the Pega application.

Error Messages


Steps to Reproduce

  1. Add the below settings to prconfig.xml:

    <env name="indexing/distributed/http/enabled" value="true" />
    <env name="indexing/distributed/http/port" value="9200" />

    According to the Setting requirements, the below setting is disabled on the Search Settings page,

    Encrypt search inter-node communications

  2. Set the settings and access the Elastic Search HTTP Endpoint at http://{host}:9200.

Root Cause

Conflict on Port 9200. The port was used by another application on the host environment.


Perform the following local-change:

Ensure that the port selected for this setting is open on the network and is not used by any other application.

<env name="indexing/distributed/http/port" value="PORT_NUMBER" />

Published February 10, 2020 - Updated December 2, 2021

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