Cannot retrieve data because index IndexNotFoundException e getIndex does not exist – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.4

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Briefly, this error occurs when Elasticsearch tries to access an index that doesn’t exist. This could be due to a typo in the index name, or the index may have been deleted. To resolve this issue, you can check the index name for errors, or recreate the index if it has been deleted. Additionally, you can use the ‘exists’ API to check if an index exists before trying to retrieve data from it. This can prevent the error from occurring in the first place.

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This guide will help you check for common problems that cause the log ” ] cannot retrieve data because index ” + ((IndexNotFoundException)e).getIndex() + ” does not exist ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index.

Log Context

Log “] cannot retrieve data because index ” + ((IndexNotFoundException)e).getIndex() + ” does not exist” class name is DataExtractorFactory.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }
 };
 e -> {
 if (e instanceof IndexNotFoundException) {
 listener.onFailure(new ResourceNotFoundException("datafeed [" + datafeed.getId()
 + "] cannot retrieve data because index " + ((IndexNotFoundException)e).getIndex() + " does not exist"));
 } else {
 listener.onFailure(e);
 }
 }
 );

 

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