Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.
To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.
Take a self-guided product tour to see for yourself (no registration required).This guide will help you check for common problems that cause the log ” already parsed expand_wildcards ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “already parsed expand_wildcards”classname is IndicesOptions.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :
"expected values within array for " + EXPAND_WILDCARDS_FIELD.getPreferredName()
);
}
}
} else {
throw new ElasticsearchParseException("already parsed expand_wildcards");
}
} else {
throw new ElasticsearchParseException(
EXPAND_WILDCARDS_FIELD.getPreferredName() + " is the only field that is an array in IndicesOptions"
);
