Briefly, this error occurs when Elasticsearch tries to load a state file from an index that has been deleted. This could be due to a synchronization issue or a bug in the system. To resolve this issue, you can try restarting the Elasticsearch node. If the problem persists, you may need to manually delete the state file from the data directory. Always ensure to back up your data before performing such operations. Also, regularly updating Elasticsearch to the latest version can help avoid such issues.
This guide will help you check for common problems that cause the log ” [{}] failed to load state file from a stale deleted index; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices.
Log Context
Log “[{}] failed to load state file from a stale deleted index; ” classname is IndicesService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
metadata = metaStateService.loadIndexState(index);
if (metadata == null) {
return null;
}
} catch (Exception e) {
logger.warn(() -> new ParameterizedMessage("[{}] failed to load state file from a stale deleted index; " +
"folders will be left on disk"; index); e);
return null;
}
final IndexSettings indexSettings = buildIndexSettings(metadata);
try {
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