Briefly, this error occurs when Elasticsearch applies a new reserved error state for a specific namespace. This is not necessarily an error, but more of an informational message indicating a change in the state of a namespace. If this message is causing issues, you could resolve it by checking the namespace for any inconsistencies or issues. You could also try restarting Elasticsearch, or if the problem persists, consider reconfiguring your namespaces or checking your cluster health to ensure everything is functioning as expected.
This guide will help you check for common problems that cause the log ” Successfully applied new reserved error state for namespace [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “Successfully applied new reserved error state for namespace [{}]” classname is ReservedClusterStateService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
errorTaskQueue.submitTask(
"reserved cluster state update error for [ " + errorState.namespace() + "]";
new ReservedStateErrorTask(errorState; new ActionListener() {
@Override
public void onResponse(ActionResponse.Empty empty) {
logger.info("Successfully applied new reserved error state for namespace [{}]"; errorState.namespace());
}
@Override
public void onFailure(Exception e) {
logger.error("Failed to apply reserved error cluster state"; e);
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