apache/flink · error · TableException

Partition keys are: %s, incomplete partition spec: %s

Error message

Partition keys are: %s, incomplete partition spec: %s

What it means

Error "Partition keys are: %s, incomplete partition spec: %s" thrown in apache/flink.

Source

Thrown at flink-connectors/flink-connector-files/src/main/java/org/apache/flink/connector/file/table/FileSystemTableSource.java:445

    }

    @Override
    public String asSummaryString() {
        return "Filesystem";
    }

    private List<Map<String, String>> getOrFetchPartitions() {
        if (remainingPartitions == null) {
            remainingPartitions = listPartitions().get();
        }
        return remainingPartitions;
    }

    private LinkedHashMap<String, String> toFullLinkedPartSpec(Map<String, String> part) {
        LinkedHashMap<String, String> map = new LinkedHashMap<>();
        for (String k : partitionKeys) {
            if (!part.containsKey(k)) {
                throw new TableException(
                        "Partition keys are: "
                                + partitionKeys
                                + ", incomplete partition spec: "
                                + part);
            }
            map.put(k, part.get(k));
        }
        return map;
    }

    // --------------------------------------------------------------------------------------------
    // Methods to apply projections and metadata,
    // will influence the final output and physical type used by formats
    // --------------------------------------------------------------------------------------------

    @Override
    public void applyProjection(int[][] projectedFields, DataType producedDataType) {
        this.projectFields = projectedFields;

View on GitHub (pinned to 2f3c205e92)

Solutions

1. Address the cause reported by the error message: Partition keys are: the reported value, incomplete partition spec: the reported value
2. Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry.

Example fix

Correct the condition described ("Partition keys are: the reported value, incomplete partition spec: the reported value") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Partition keys are: the reported value, incomplete partition spec: the reported value.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Partition keys are: the reported value, incomplete partition spec: the reported value.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/630e7976e94e356d. Report an issue: GitHub.