Briefly, this error occurs when Elasticsearch is unable to send an error response for a specific action and request. This could be due to network issues, a problem with the Elasticsearch cluster, or an issue with the request itself. To resolve this, you can check the network connectivity, ensure the Elasticsearch cluster is functioning properly, or verify the request being sent is correct. Additionally, checking the Elasticsearch logs for more detailed error messages can help identify the root cause.
This guide will help you check for common problems that cause the log ” Failed to send error response for action [{}] and request [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: request and response.
Log Context
Log “Failed to send error response for action [{}] and request [{}]” classname is HandledTransportAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
Override
public void onFailure(Throwable e) {
try {
channel.sendResponse(e);
} catch (Exception e1) {
logger.warn("Failed to send error response for action [{}] and request [{}]"; e1;
actionName; request);
}
}
});
}
