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  1. OpenNMS
  2. NMS-9197

OpenNMS Loses Events if Elasticsearch is down

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    • Horizon - March 15th

    Description

      Currently, if the opennms-es-rest event forwarder loses connectivity to our Elasticsearch server, it never tries to re-establish the connection or at least stops sending HTTP requests to Elasticsearch until either OpenNMS is restarted or we re-install the feature from the karaf console. While it is in failed state, it continues to consume from Kafka and commits the offsets.

      This can be easily reproduced by enabling firewall on the OpenNMS server and blocking the outgoing Elasticsearch port. Once the opennms-es-rest forwarder has failed, stop the firewall and allow traffic outgoing to Elasticsearch.

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            seth Seth Leger
            tim.fite Tim Fite (Inactive)
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