Incoming version – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-7.15

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Briefly, this error occurs when there’s a conflict between the version of a document you’re trying to update and the version currently stored in Elasticsearch. This usually happens when multiple processes are trying to update the same document simultaneously. To resolve this issue, you can use the retry_on_conflict parameter to automatically retry the update operation a certain number of times. Alternatively, you can implement a version control mechanism in your application to ensure that updates are performed in a sequential manner.

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This guide will help you check for common problems that cause the log ” incoming version ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, version.

Log Context

Log “incoming version” class name is CoordinationState.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 logger.debug("handling publish request in compatibility mode despite version mismatch (expected: >[{}]; actual: [{}])";
 getLastAcceptedVersion(); clusterState.version());
 } else {
 logger.debug("handlePublishRequest: ignored publish request due to version mismatch (expected: >[{}]; actual: [{}])";
 getLastAcceptedVersion(); clusterState.version());
 throw new CoordinationStateRejectedException("incoming version " + clusterState.version() +
 " lower or equal to current version " + getLastAcceptedVersion());
 }
 }  logger.trace("handlePublishRequest: accepting publish request for version [{}] and term [{}]";

 

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