Rekursywnie ładuję drzewo przechowywane w Firestore. Drzewo ma ~ 79 węzłów.Błąd w onSnapshot: FirebaseError: [code = invalid-argument]: transakcja zamknięta
Bardzo rzadko pojawia się ten błąd (około jednego na dziesięć obciążeń w pełnym drzewku).
Edit: kod: https://github.com/karol-depka/OrYoL
Edit: przykład rozmieszczone: https://oryol.karoldepka.com/tree (przepraszam, nie plunker na razie tylko ten)
Szczegóły poniżej.
Firebase wersja package.json: 4.5.0
Pytania:
Gdzie mogę uzyskać więcej informacji, niż tej podstawowej dokumentacji https://firebase.google.com/docs/reference/js/firebase.FirebaseError ?
Jakie jest źródło problemu i jak go naprawić?
3VM724:27 Uncaught Error in onSnapshot: Error: transaction closed
at new FirestoreError (error.js:164)
at JsonProtoSerializer.webpackJsonp.../../../../firebase/firestore/remote/serializer.js.JsonProtoSerializer.fromRpcStatus (serializer.js:126)
at JsonProtoSerializer.webpackJsonp.../../../../firebase/firestore/remote/serializer.js.JsonProtoSerializer.fromWatchChange (serializer.js:517)
at PersistentListenStream.webpackJsonp.../../../../firebase/firestore/remote/persistent_stream.js.PersistentListenStream.onMessage (persistent_stream.js:334)
at persistent_stream.js:270
at persistent_stream.js:247
at async_queue.js:81
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:392)
at Object.onInvoke (core.es5.js:3890)
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:391)
Kod:
private processNodeEvents(nestLevel: number, snapshot: any, parents, listener: DbTreeListener) {
const serviceThis = this
snapshot.docChanges.forEach(function(change) {
let data = change.doc.data()
if (change.type === 'added') {
const parentsPath = serviceThis.nodesPath(parents)
console.log('node: ', nestLevel, parentsPath, data);
serviceThis.pendingListeners ++
data.node.onSnapshot(targetNodeDoc => {
serviceThis.pendingListeners --
listener.onNodeAdded(
new NodeAddEvent(parentsPath, parentsPath[parentsPath.length - 1], targetNodeDoc, targetNodeDoc.id,
serviceThis.pendingListeners))
console.log('target node:', nestLevel, targetNodeDoc)
console.log('target node title:', nestLevel, targetNodeDoc.data().title)
const subCollection = targetNodeDoc.ref.collection('subNodes')
console.log('subColl:', subCollection)
subCollection.onSnapshot((subSnap: QuerySnapshot) => {
const newParents = parents.slice(0)
newParents.push(targetNodeDoc.ref)
serviceThis.processNodeEvents(nestLevel + 1, subSnap, newParents, listener)
})
})
// console.log('root node ref: ', targetNode);
}
if (change.type === 'modified') {
console.log('Modified city: ', data);
}
if (change.type === 'removed') {
console.log('Removed city: ', data);
}
})
}
Edit: kolejny błąd odkryto, przez uruchomienie kodu wielokrotnie:
VM3343:27 Uncaught Error in onSnapshot: Error: The referenced transaction has expired or is no longer valid.
at new FirestoreError (error.js:164)
at JsonProtoSerializer.webpackJsonp.../../../../firebase/firestore/remote/serializer.js.JsonProtoSerializer.fromRpcStatus (serializer.js:126)
at JsonProtoSerializer.webpackJsonp.../../../../firebase/firestore/remote/serializer.js.JsonProtoSerializer.fromWatchChange (serializer.js:517)
at PersistentListenStream.webpackJsonp.../../../../firebase/firestore/remote/persistent_stream.js.PersistentListenStream.onMessage (persistent_stream.js:334)
at persistent_stream.js:270
at persistent_stream.js:247
at async_queue.js:81
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:392)
at Object.onInvoke (core.es5.js:3890)
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:391)
window.console.error @ VM3343:27
Edycja: zmiana Firebase do 4.6.0
, problemem stało się 3 razy:
Uncaught Error in onSnapshot: Error: transaction closed
at new FirestoreError (error.js:149)
at JsonProtoSerializer.webpackJsonp.../../../../@firebase/firestore/dist/esm/src/remote/serializer.js.JsonProtoSerializer.fromRpcStatus (serializer.js:93)
at JsonProtoSerializer.webpackJsonp.../../../../@firebase/firestore/dist/esm/src/remote/serializer.js.JsonProtoSerializer.fromWatchChange (serializer.js:536)
at PersistentListenStream.webpackJsonp.../../../../@firebase/firestore/dist/esm/src/remote/persistent_stream.js.PersistentListenStream.onMessage (persistent_stream.js:309)
at persistent_stream.js:246
at persistent_stream.js:222
at async_queue.js:62
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:392)
at Object.onInvoke (core.es5.js:3890)
at ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:391)
Edycja: nawet jeśli wystąpi błąd, drzewo wydaje się kontynuować ładowanie.
Edit: inna wersja tego błędu, z code=aborted
(po uaktualnieniu firebase
do 4.6.0
):
Error in onSnapshot: FirebaseError: [code=aborted]: The referenced transaction has expired or is no longer valid.
/vendor.bundle.js:18588 errHandler()
/vendor.bundle.js:33367
/polyfills.bundle.js:2970 ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask()
/vendor.bundle.js:107276 Object.onInvokeTask()
/polyfills.bundle.js:2969 ZoneDelegate.webpackJsonp.../../../../zone.js/dist/zone.js.ZoneDelegate.invokeTask()
/polyfills.bundle.js:2737 Zone.webpackJsonp.../../../../zone.js/dist/zone.js.Zone.runTask()
/polyfills.bundle.js:3044 webpackJsonp.../../../../zone.js/dist/zone.js.ZoneTask.invokeTask()
/polyfills.bundle.js:3033 ZoneTask.invoke()
Miałem podobne problemy z SDK iOS: https://stackoverflow.com/questions/46710371/firebase-firestore-ios-document-snapshot-listener-error-the-referenced-trans – Saul
wszelkie wiadomości na ten temat kwestia ? –