Error invalidating srcPrefix – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch attempts to invalidate a cache but encounters an issue with the source prefix. This could be due to a misconfiguration or an invalid source prefix. To resolve this issue, you can try the following: 1) Check and correct the source prefix configuration. 2) Ensure that the source prefix is valid and exists in your Elasticsearch cluster. 3) If the error persists, consider clearing the cache manually. 4) Lastly, check for any underlying issues with your Elasticsearch cluster that may be causing this error.

This guide will help you check for common problems that cause the log ” Error invalidating ” + srcPrefix + “: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Error invalidating ” + srcPrefix + “: ” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 final String failedTokenDocId = getTokenIdFromDocumentId(bulkItemResponse.getFailure().getId());
 if (isShardNotAvailableException(cause)) {
 } else {
 traceLog("invalidate access token"; failedTokenDocId; cause);
 failedRequestResponses.add(new ElasticsearchException("Error invalidating " + srcPrefix + ": "; cause));
 } else {
 UpdateResponse updateResponse = bulkItemResponse.getResponse();
 if (updateResponse.getResult() == DocWriteResponse.Result.UPDATED) {


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