apache/flink · error · ValidationException

Can not configure a 'metastore' partition commit policy for

Error message

Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table.

What it means

Error "Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table." thrown in apache/flink.

Source

Thrown at flink-connectors/flink-connector-files/src/main/java/org/apache/flink/connector/file/table/PartitionCommitPolicy.java:87

        Path partitionPath();

        /** Partition spec in the form of a map from partition keys to values. */
        default LinkedHashMap<String, String> partitionSpec() {
            LinkedHashMap<String, String> res = new LinkedHashMap<>();
            for (int i = 0; i < partitionKeys().size(); i++) {
                res.put(partitionKeys().get(i), partitionValues().get(i));
            }
            return res;
        }
    }

    /** Validate commit policy. */
    static void validatePolicyChain(boolean isEmptyMetastore, String policyKind) {
        if (policyKind != null) {
            String[] policyStrings = policyKind.split(",");
            for (String policy : policyStrings) {
                if (isEmptyMetastore && METASTORE.equalsIgnoreCase(policy)) {
                    throw new ValidationException(
                            "Can not configure a 'metastore' partition commit"
                                    + " policy for a file system table. You can only configure 'metastore'"
                                    + " partition commit policy for a hive table.");
                }
            }
        }
    }
}

View on GitHub (pinned to 2f3c205e92)

Solutions

  1. Address the cause reported by the error message: Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table.
  2. Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry.

Example fix

Correct the condition described ("Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table.") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Can not configure a 'metastore' partition commit policy for a file system table. You can only configure 'metastore' partition commit policy for a hive table.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/d17f889bb10c5577. Report an issue: GitHub.