template <class T> struct is_null_pointer; 參數T 要查詢的類型。備註如果為 true,則保留 predicate 類型的執行個體型別T是std::nullptr_t,否則保留 false。需求標頭︰<type_traits></type_traits>命名空間: std另請參閱<type_traits></type_traits>中文...
the response data is { "status": { "code": "INTERNAL_SERVER_ERROR", "message": "null. NullPointerException. org.apache.rocketmq.proxy.grpc.v2.consumer.ReceiveMessageActivity.receiveMessage(ReceiveMessageActivity.java:65)" } } proxy log 2022-12-18 12:03:15 ERROR GrpcConsumerThreadPool-11 - ...