elastic/elasticsearch · error · IllegalArgumentException

field {field} does not exist

Error message

field {field} does not exist

What it means

Error "field {field} does not exist" thrown in elastic/elasticsearch.

Source

Thrown at modules/aggregations/src/main/java/org/elasticsearch/aggregations/metric/MatrixStatsResults.java:193

                // fieldY exists as a col key to fieldX
                return map.get(fieldX).get(fieldY);
            } else {
                // otherwise fieldX is the col key to fieldY
                return map.get(fieldY).get(fieldX);
            }
        } else if (map.containsKey(fieldY)) {
            // fieldX did not exist as a row key, it must be a col key
            return map.get(fieldY).get(fieldX);
        }
        throw new IllegalArgumentException("Coefficient not computed between fields: " + fieldX + " and " + fieldY);
    }

    private static void checkField(String field, Map<String, ?> map) {
        if (field == null) {
            throw new IllegalArgumentException("field name cannot be null");
        }
        if (map.containsKey(field) == false) {
            throw new IllegalArgumentException("field " + field + " does not exist");
        }
    }

    /** Computes final covariance, variance, and correlation */
    private void compute() {
        final double nM1 = results.docCount - 1D;
        // compute final skewness and kurtosis
        for (String fieldName : results.means.keySet()) {
            final double var = results.variances.get(fieldName);
            // update skewness
            results.skewness.put(fieldName, Math.sqrt(results.docCount) * results.skewness.get(fieldName) / Math.pow(var, 1.5D));
            // update kurtosis
            results.kurtosis.put(fieldName, (double) results.docCount * results.kurtosis.get(fieldName) / (var * var));
            // update variances
            results.variances.put(fieldName, results.variances.get(fieldName) / nM1);
        }

        // compute final covariances and correlation

View on GitHub (pinned to db6a809a66)

When it happens

Trigger: Thrown at modules/aggregations/src/main/java/org/elasticsearch/aggregations/metric/MatrixStatsResults.java:193 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of elastic/elasticsearch@db6a809a66 (2026-08-12). Data as JSON: /api/errors/3f74622a6fa3df2a. Report an issue: GitHub.