Briefly, this error occurs when Elasticsearch fails to refresh the security token for a document after multiple attempts. This could be due to network issues, high load on the Elasticsearch cluster, or issues with the security token service. To resolve this issue, you can try the following: 1) Check the network connectivity and ensure the Elasticsearch cluster is reachable. 2) Monitor the load on the Elasticsearch cluster and scale it up if necessary. 3) Check the logs for any issues with the security token service and fix them.
This guide will help you check for common problems that cause the log ” Failed to refresh token for doc [{}] after [{}] attempts ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, refresh.
Log Context
Log “Failed to refresh token for doc [{}] after [{}] attempts” classname is TokenService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
* updating the token document to indicate that the document has been refreshed. */ private void innerRefresh(String tokenDocId; Authentication userAuth; ActionListener> listener; AtomicInteger attemptCount) { if (attemptCount.getAndIncrement() > MAX_RETRY_ATTEMPTS) { logger.warn("Failed to refresh token for doc [{}] after [{}] attempts"; tokenDocId; attemptCount.get()); listener.onFailure(invalidGrantException("could not refresh the requested token")); } else { Consumer onFailure = ex -> listener.onFailure(traceLog("refresh token"; tokenDocId; ex)); GetRequest getRequest = client.prepareGet(SECURITY_INDEX_NAME; SINGLE_MAPPING_NAME; tokenDocId).request(); executeAsyncWithOrigin(client.threadPool().getThreadContext(); SECURITY_ORIGIN; getRequest;