[英]Firebase admin SDK FCM error Exactly one of topic, token or condition is required
我正在修复发生的错误消息,但它以前也可以工作。 我发送带有多个令牌的 FCM 通知并收到以下错误
0|api | 2020-2-11 13:26:26 [ExceptionsHandler] Exactly one of topic, token or condition is required
0|api | +542752ms
0|api | Error: Exactly one of topic, token or condition is required
0|api | at FirebaseMessagingError.FirebaseError [as constructor] (/var/www/tokee-api-new/node_modules/firebase-admin/lib/utils/error.js:42:28)
0|api | at FirebaseMessagingError.PrefixedFirebaseError [as constructor] (/var/www/tokee-api-new/node_modules/firebase-admin/lib/utils/error.js:88:28)
0|api | at new FirebaseMessagingError (/var/www/tokee-api-new/node_modules/firebase-admin/lib/utils/error.js:254:16) 0|api | at Object.validateMessage (/var/www/tokee-api-new/node_modules/firebase-admin/lib/messaging/messaging-types.js:46:15)
0|api | at /var/www/tokee-api-new/node_modules/firebase-admin/lib/messaging/messaging.js:265:31
0|api | at Array.map (<anonymous>)
0|api | at Messaging.sendAll (/var/www/tokee-api-new/node_modules/firebase-admin/lib/messaging/messaging.js:264:29)
0|api | at Messaging.sendMulticast (/var/www/tokee-api-new/node_modules/firebase-admin/lib/messaging/messaging.js:313:21) 0|api | at userChunks.forEach.userChunk (/var/www/tokee-api-new/src/modules/common/firebase/firebase.service.ts:154:42) 0|api | at Array.forEach (<anonymous>)
0|api | at FCMService.<anonymous> (/var/www/tokee-api-new/src/modules/common/firebase/firebase.service.ts:142:16)
0|api | at Generator.next (<anonymous>)
0|api | at /var/www/tokee-api-new/dist/src/modules/common/firebase/firebase.service.js:13:71
0|api | at new Promise (<anonymous>)
0|api | at __awaiter (/var/www/tokee-api-new/dist/src/modules/common/firebase/firebase.service.js:9:12)
0|api | at FCMService.sendToMany (/var/www/tokee-api-new/dist/src/modules/common/firebase/firebase.service.js:123:16) 0|api | at AdminNotificationController.<anonymous> (/var/www/tokee-api-new/src/modules/notification/admin-notification.controller.ts:65:42)
0|api | at Generator.next (<anonymous>)
0|api | at fulfilled (/var/www/tokee-api-new/dist/src/modules/notification/admin-notification.controller.js:16:58)
0|api | at <anonymous>
产生错误的代码:
async sendToMany(users: User[], notification: VSendNotification, title = 'Title', lowPriority = false) {
// We split emails into arrays of max. 100 size because of the limitation with FCM
const userChunks = _.chunk(users, 100);
const promises = [];
userChunks.forEach(userChunk => {
const msg: admin.messaging.MulticastMessage = {
notification: {
title,
body: notification.body
},
tokens: userChunk.map(user => user.firebaseToken),
android: {
priority: lowPriority ? 'normal' : 'high'
}
};
promises.push(this.app.messaging().sendMulticast(msg));
});
const result = await Promise.all(promises);
let accepted = 0;
let rejected = 0;
result.forEach(response => {
accepted += response.successCount;
rejected += response.failureCount;
});
return { accepted, rejected, notification };
}
}
想什么可能是错的?
解决方案- 避免向 Firebase 发送空的 fcm 令牌。
我得到了解决方案。 我列出了我所有的 firebase 令牌,我的数据库中有一些空令牌,这是主要问题。
当我们发送空的 fcm 令牌时,Firebase 会给我们以下错误
Exactly one of topic, token or condition is required
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