Unknown month number – Elasticsearch Error How To Solve Related Issues


Unknown month number – Elasticsearch Error How To Solve Related Issues

Opster Team

July-20, 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 that cause many errors.

This guide will help you check for common problems that cause the log ” unknown month number ” 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: 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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”unknown month number [{}]”classname  is Month.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

case 9: return SEPTEMBER;
  case 10: return OCTOBER;
  case 11: return NOVEMBER;
  case 12: return DECEMBER;
  default:
  throw new ElasticsearchParseException("unknown month number [{}]"; month);
  }
  }
 
  public static Month resolve(String day) {
  switch (day.toLowerCase(Locale.ROOT)) {

 

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