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Briefly, this error occurs when there is an issue with the datafeed in Elasticsearch. The datafeed might be incorrectly configured, missing, or there could be a problem with the data source. To resolve this issue, you can check the datafeed configuration for any errors, ensure the datafeed exists, and verify the data source is functioning correctly. If the problem persists, consider recreating the datafeed or troubleshooting the data source.
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This guide will help you check for common problems that cause the log ” datafeed [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “datafeed [” class name is DataExtractorFactory.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
};
e -> {
Throwable cause = ExceptionsHelper.unwrapCause(e);
if (cause instanceof IndexNotFoundException) {
listener.onFailure(new ResourceNotFoundException("datafeed [" + datafeed.getId()
+ "] cannot retrieve data because index " + ((IndexNotFoundException) cause).getIndex() + " does not exist"));
} else {
listener.onFailure(e);
}
}
