Cannot send ban for tasks with the parent to the node – How to solve related issues

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Cannot send ban for tasks with the parent to the node – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

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 ” Cannot send ban for tasks with the parent to the node ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: admin, cluster and node.

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 “Cannot send ban for tasks with the parent [{}] to the node [{}]” classname is TransportCancelTasksAction.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         listener.onResponse(null);
                    }

                    
Override
                    public void handleException(TransportException exp) {
                        logger.warn("Cannot send ban for tasks with the parent [{}] to the node [{}]"; request.parentTaskId; node.key);
                        listener.onFailure(exp);
                    }
                });
        }
    }



 

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