在Mongo中未创建任何集合(没有用户集合),使用模板保存对象(保存用户对象)
@Transactional
public void saveSingleObject() {
template.save(new User("james", "james", 'ddd'));
}
exception : Command failed with error 263 (OperationNotSupportedInTransaction): 'Cannot create namespace test-mongo.processes in multi-document transaction.
but User collection in mongo , no exception