apache/flink · error · UnsupportedOperationException

Persists the path-based part file write is not supported

Error message

Persists the path-based part file write is not supported

What it means

Error "Persists the path-based part file write is not supported" thrown in apache/flink.

Source

Thrown at flink-formats/flink-hadoop-bulk/src/main/java/org/apache/flink/formats/hadoop/bulk/HadoopPathBasedPartFileWriter.java:264

            bb.get(tempFilePathBytes);
            String tempFilePath = new String(tempFilePathBytes, CHARSET);

            long fileSize = bb.getLong();

            return new HadoopPathBasedPendingFileRecoverable(
                    new Path(targetFilePath), new Path(tempFilePath), fileSize);
        }
    }

    private static class UnsupportedInProgressFileRecoverableSerializable
            implements SimpleVersionedSerializer<InProgressFileRecoverable> {

        static final UnsupportedInProgressFileRecoverableSerializable INSTANCE =
                new UnsupportedInProgressFileRecoverableSerializable();

        @Override
        public int getVersion() {
            throw new UnsupportedOperationException(
                    "Persists the path-based part file write is not supported");
        }

        @Override
        public byte[] serialize(InProgressFileRecoverable obj) {
            throw new UnsupportedOperationException(
                    "Persists the path-based part file write is not supported");
        }

        @Override
        public InProgressFileRecoverable deserialize(int version, byte[] serialized) {
            throw new UnsupportedOperationException(
                    "Persists the path-based part file write is not supported");
        }
    }

    /**
     * Factory to create {@link HadoopPathBasedPartFileWriter}. This writer does not support

View on GitHub (pinned to 2f3c205e92)

Solutions

1. Address the cause reported by the error message: Persists the path-based part file write is not supported
2. Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry.

Example fix

Correct the condition described ("Persists the path-based part file write is not supported") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Persists the path-based part file write is not supported.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Persists the path-based part file write is not supported.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/fd6e48ad634c389e. Report an issue: GitHub.