in timebase-kafka-connector/src/main/java/deltix/kafka/connect/RawMessageSerializer.java [472:480]
private static void validateSchemaField(Schema schema, String fieldName, Schema.Type fieldType) {
Field field = schema.field(fieldName);
if (field == null) {
throw new IllegalArgumentException("Schema has no field " + fieldName);
}
if (fieldType != null && field.schema().type() != fieldType) {
throw new IllegalArgumentException("Field " + fieldName + " must be a " + fieldType);
}
}