Could not start data frame analytics task; allocation explanation – Elasticsearch Error How To Solve Related Issues



Could not start data frame analytics task; allocation explanation – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

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

 

This guide will help you check for common problems that cause the log “Could not start data frame analytics task; allocation explanation” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: allocation, plugin.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”Could not start data frame analytics task; allocation explanation [“classname  is TransportStartDataFrameAnalyticsAction.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// Assignment failed due to primary shard check.
  // This is hopefully intermittent and we should allow another assignment attempt.
  if (assignmentExplanation.contains(PRIMARY_SHARDS_INACTIVE)) {
  return false;
  }
  exception = new ElasticsearchStatusException("Could not start data frame analytics task; allocation explanation [" +
  assignment.getExplanation() + "]"; RestStatus.TOO_MANY_REQUESTS);
  return true;
  }
  DataFrameAnalyticsTaskState taskState = (DataFrameAnalyticsTaskState) persistentTask.getState();
  DataFrameAnalyticsState analyticsState = taskState == null ? DataFrameAnalyticsState.STOPPED : taskState.getState();

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Could not autowire field:RestTemplate in Spring boot application -views 107,010 ,score 105

Could not open job because no ML nodes with sufficient capacity …  



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