Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.
This guide will help you check for common problems that cause the log ” Exception thrown by listener while notifying on ack timeout ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster and master.
Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.
Log Context
Log “Exception thrown by listener while notifying on ack timeout” classname is MasterService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
Override
public void onAckTimeout() {
try (ThreadContext.StoredContext ignore = context.get()) {
listener.onAckTimeout();
} catch (Exception e) {
logger.error("exception thrown by listener while notifying on ack timeout"; e);
}
}
Override
public TimeValue ackTimeout() {
