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Elasticsearch Error Guide In Page Navigation :
Troubleshooting Background – start here to get the full picture
Related Issues – selected resources on related issues
Log Context – usefull for experts
About Opster – offering a diffrent approach to troubleshoot Elasticsearch
Troubleshooting background
To troubleshoot Elasticsearch log “Exception thrown by listener while notifying on ack timeout” it’s important to know common problems related to Elasticsearch concepts: cluster, master. See below-detailed explanations complete with common problems, examples and useful tips.
Cluster in Elasticsearch
What is it
In Elasticsearch a cluster is a collection of one or more nodes (servers / VMs). A cluster can consist of an unlimited number of nodes. The cluster provides interface for indexing and storing data and search capability across all of the data which is stored in the data nodes
Each cluster has a single master node that is elected by the master eligible nodes. In cases where the master is not available the other connected master eligible nodes elect a new master. Clusters are identified by a unique name, which defaults to “Elasticsearch”.
Related issues to this log
To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :
Icial Reasons For Software Caused C
stackoverflow.com/questions/2126607/official-reasons-for-software-caused-connection-abort-socket-write-error
Net Socketexception Connection Rese
stackoverflow.com/questions/62929/java-net-socketexception-connection-reset
Log Context
Log ”Exception thrown by listener while notifying on ack timeout” classname is MasterService.java
We have extracted the following from Elasticsearch source code to get 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() {
About Opster
Incorporating deep knowledge and broad history of Elasticsearch issues. Opster’s solution identifies and predicts root causes of Elasticsearch problems, provides recommendations and can automatically perform various actions to manage, troubleshoot and prevent issues
We are constantly updating our analysis of Elasticsearch logs, errors, and exceptions. Sharing best practices and providing troubleshooting guides.
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