Briefly, this error occurs when Elasticsearch takes too long to retrieve the mappings for an index or multiple indices. This could be due to high load, insufficient resources, or network issues. To resolve this, you can increase the timeout limit, optimize your cluster by balancing the load or adding more resources, or troubleshoot potential network problems. Also, consider reducing the size of your mappings if they are too large.
This guide will help you check for common problems that cause the log ” Timed out getting mappings ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, indices, rest.
Log Context
Log “Timed out getting mappings” class name is RestGetMappingAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} @Override
public XContentBuilder toXContent(XContentBuilder builder; Params params) throws IOException {
if (relativeTimeSupplierMillis.getAsLong() - startTimeMs > timeout.millis()) {
throw new ElasticsearchTimeoutException("Timed out getting mappings");
} builder.startObject();
response.toXContent(builder; params);
builder.endObject();
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