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Briefly, this error occurs when OpenSearch encounters a setting in its configuration that it doesn’t recognize. The setting is then archived and ignored. This could be due to a typo, deprecated setting, or a setting that’s not applicable to the current version of OpenSearch. To resolve this, first, identify the unknown setting from the error message. Then, check if the setting is spelled correctly, is still supported in your OpenSearch version, or is relevant to your use case. If not, correct or remove the setting from your configuration and restart OpenSearch.
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This guide will help you check for common problems that cause the log ” ignoring unknown {} setting: [{}] with value [{}]; archiving ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .
Log Context
Log “ignoring unknown {} setting: [{}] with value [{}]; archiving” classname is ClusterStateUpdaters.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
);
return ClusterState.builder(clusterState).metadata(metadataBuilder).build();
}
private static void logUnknownSetting(final String settingType; final Map.Entry e) {
logger.warn("ignoring unknown {} setting: [{}] with value [{}]; archiving"; settingType; e.getKey(); e.getValue());
}
private static void logInvalidSetting(final String settingType; final Map.Entry e; final IllegalArgumentException ex) {
logger.warn(
() -> new ParameterizedMessage(
