Parent task was cancelled – How to solve this Elasticsearch error

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Parent task was cancelled – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” parent task was cancelled ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task.

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 “parent task was cancelled [“classname  is TaskManager.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

return task;
 } 
 synchronized void registerChildConnection(Transport.Connection connection) {
 if (banChildrenReason != null) {
 throw new TaskCancelledException("parent task was cancelled [" + banChildrenReason + ']');
 }
 if (childTasksPerConnection == null) {
 childTasksPerConnection = new ObjectIntHashMap<>();
 }
 childTasksPerConnection.addTo(connection; 1);

 

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