apache/flink · error · RuntimeException

Cannot find the partition value from path for partition: %s

Error message

Cannot find the partition value from path for partition: %s

What it means

Error "Cannot find the partition value from path for partition: %s" thrown in apache/flink.

Source

Thrown at flink-connectors/flink-connector-files/src/main/java/org/apache/flink/connector/file/table/PartitionFieldExtractor.java:41

import org.apache.flink.table.types.logical.LogicalType;
import org.apache.flink.table.utils.PartitionPathUtils;

import java.io.Serializable;
import java.util.LinkedHashMap;

/** Interface to extract partition field from split. */
@FunctionalInterface
@Internal
public interface PartitionFieldExtractor<T extends FileSourceSplit> extends Serializable {

    Object extract(T split, String fieldName, LogicalType fieldType);

    static PartitionFieldExtractor<FileSourceSplit> forFileSystem(String defaultPartValue) {
        return (split, fieldName, fieldType) -> {
            LinkedHashMap<String, String> partitionSpec =
                    PartitionPathUtils.extractPartitionSpecFromPath(split.path());
            if (!partitionSpec.containsKey(fieldName)) {
                throw new RuntimeException(
                        "Cannot find the partition value from path for partition: " + fieldName);
            }

            String valueStr = partitionSpec.get(fieldName);
            valueStr = valueStr.equals(defaultPartValue) ? null : valueStr;
            return RowPartitionComputer.restorePartValueFromType(valueStr, fieldType);
        };
    }
}

View on GitHub (pinned to 2f3c205e92)

Solutions

1. Address the cause reported by the error message: Cannot find the partition value from path for partition: 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 ("Cannot find the partition value from path for partition: the reported value") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Cannot find the partition value from path for partition: the reported value.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Cannot find the partition value from path for partition: the reported value.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/1462475d4a1627f7. Report an issue: GitHub.