Briefly, this error occurs when Elasticsearch attempts to delete an index or data but fails due to various reasons such as insufficient permissions, index being in use, or network issues. To resolve this, you can check if the index is currently being used or if there are any ongoing operations on it. If so, stop these operations before retrying. Also, ensure that the user has the necessary permissions to delete the index. If network issues are suspected, check the connectivity between the Elasticsearch client and server.
This guide will help you check for common problems that cause the log ” failed to remove ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “failed to remove ” classname is GeoIpDownloaderTaskExecutor.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
// regardless of whether DATABASES_INDEX is an alias; resolve it to a concrete index
Index databasesIndex = databasesAbstraction.getWriteIndex();
client.admin().indices().prepareDelete(databasesIndex.getName()).execute(ActionListener.wrap(rr -> {}; e -> {
Throwable t = e instanceof RemoteTransportException ? e.getCause() : e;
if (t instanceof ResourceNotFoundException == false) {
logger.warn("failed to remove " + databasesIndex; e);
}
}));
}
}));
}
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