Errors starting with Elasticsearch 8

Issue

• After upgrade to version 7.4 U91 and also having elasticsearch configured with version 8.7.0, we notice a consistent error every time the servers starts:

[IndexConfigurationDynamicUpdatesExecutorImpl:52] Unable to put mapping {_   "properties": {_                "timestamp": {_                 "store": true,_                 "type": "date"_         }_      }_} [Sanitized]

java.lang.RuntimeException: org.elasticsearch.ElasticsearchStatusException: ElasticsearchStatusException[Elasticsearch exception [type=mapper_parsing_exception, reason=Failed to parse mapping: Root mapping definition has unsupported parameters:  [timestamp : {store=true, type=date}]]]; nested: ElasticsearchException[Elasticsearch exception [type=mapper_parsing_exception, reason=Root mapping definition has unsupported parameters:  [timestamp : {store=true, type=date}]]];

Environment

• DXP 7.4

Resolution

• It is a known issue reported at LPS-193391 and was fixed in U92.
  

Additional Information

• Upgrading to Elasticsearch 8