code: private SchemaColumnConvertNotSupportedException constructConvertNotSupportedException(
        ColumnDescriptor descriptor,
        WritableColumnVector column) {
      return new SchemaColumnConvertNotSupportedException(
        Arrays.toString(descriptor.getPath()),
        descriptor.getPrimitiveType().getPrimitiveTypeName().toString(),
        column.dataType().catalogString());
    }
docs: Helper function to construct exception for parquet schema mismatch.