All Questions
Tagged with lightning-web-components streaming-api
11 questions
0
votes
2
answers
905
views
empApi PushTopic channel does not exist after successful subscribe
I am trying to debug a flaky connection to a PushTopic. Usually it works and is rock solid, except when it doesn't. The connection is being made from LWC after importing lightning/empApi.
Occasionally ...
- 101
0
votes
1
answer
44
views
Problem with LWC that displays a list of Accounts that re-orders in real-time based on their LastModifiedDate (without webpage refresh)
What I'm trying to do:
Display a list of Account records where the order of the accounts updates dynamically in real-time (in a LWC - it doesn't have to be but I think this is the best way to do this) ...
- 38.1k
0
votes
0
answers
109
views
Salesforce empApi (pushTopic) error
I have a managed package that is deployed at multiple sites without issue however at one site i am getting a an error thrown to the listener (I am subscribing to a pushTopic from an LWC component like ...
- 67
0
votes
1
answer
762
views
try streaming api in lwc
I tried to use the cometd streaming api with the push topic /systemTopic/Logging to get in lwc all notification when a log is created.
I saw that only the api v36 can be used for that so I use the ...
- 502k
9
votes
3
answers
8k
views
The better way to import cometD library into LWC
I've been trying to use empAPI on community but unfortunately it's impossible. So I found this staff from trailhead https://github.com/forcedotcom/EMP-Connector.git
Could anyone please describe me ...
- 1,017
0
votes
1
answer
1k
views
Unable to subscribe to streaming platform event in lightning app using emp api
I am unable to subscribe to events using emp API.
Taking a look at emp api here I have the following:
My HTML:
<template>
<lightning-card title="StreamingPoc1 Example" icon-name=...
1
vote
0
answers
442
views
lightning/empApi: clarification on replayId param in subscribe method
The LWC Docs describe the replayId parameter in the lightning\empApi subscribe method as follows (emphasis is mine):
Indicates what point in the stream to replay events from. Specify -1
to get new ...
- 4,354
3
votes
1
answer
968
views
LWC + Apex from EMP Api callback : Firing dispatch event or an apex call from Streaming api callback fails in LWC, any workaround?
When a dispatch event or an imperative apex call is made from a streaming api callback, then it throws this error in browser console window and reloads the page .
{"event":{"descriptor&...
- 9,118
1
vote
1
answer
428
views
lightning/empApi does not handle new record creation
Let's say i have custom object LOT__c in my org and LWC from
https://developer.salesforce.com/docs/component-library/bundle/lightning-emp-api/documentation
then I set channel name to /data/...
- 701
0
votes
0
answers
57
views
empAPI - can't call subscribe method
Can anyone tell me why this code
handleCDC(response) {
console.log(JSON.stringify(response));
}
subscribe(channel, -1, handleCDC).then(response=>{
console.log('success', JSON.stringify(...
- 24.5k
8
votes
2
answers
2k
views
empApi with Lightning Web Components?
I have an LWC in which I want to use EMP API. Docs say that's only currently available in Aura. Do I have to wrap my entire LWC in aura in order to add the EMP API, or can I create a utility aura ...
