Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. As of Winter'21 (21/10/2020) per the updated documentation, developer.salesforce.com/docs/component-library/bundle/ the Salesforce Mobile App is removed and only Lightning Experience is supported. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Thanks for contributing an answer to Salesforce Stack Exchange! I understand this may be part of a large app, I'm just trying to see if we can narrow it down. It only takes a minute to sign up. Thanks. Place an Aura component that subscribes to a Platform Event 1 and a LWC that subscribes to a Platform Event 2 in a Lightning Page. When we have an update to share on potential resolutions and timeline we will do so. Default parameter will not solve this, because if you pass an empty object or an object with only one property, the other property will end up undefined. but you can build your own using CommetD JS librarary ,it's hardwork. This component requires API version 44.0 or later. Thanks @AllanOricil, kudos to @p-wu-214 (also from Locker) who was able to repro internally, so we can debug @manuel-jasso no problem. Repro 1. Here the JS code from the LWC : import { LightningElement } from 'lwc'; import { subscribe, onError}. Making statements based on opinion; back them up with references or personal experience. https://trailblazer.salesforce.com/issues_view?id=a1p4V000002C10xQAC. Non Admin openstack user is unable to create compute instances on Horizon Dashboard, Windows 10: How to edit what shows up in Quick Access, Folder's list view has different sized fonts in different folders, Weird requests to home server and possible security breaches, make redirected folders always offline available, [Solved] change var. Hi, This doesnt work in Lightning community, but works in LEX. Salesforce introduced a new component lightning:empApi with winter 19 to support streaming API. Why don't we use the 7805 for car phone chargers? JavaScript is disabled. Resources. Why is it shorter than a normal address? seeing exactly same issue even when it is only component on page. The lightning/empApi module provides access to methods for subscribing to a streaming channel and listening to event messages. So my conclusion is, don't mix Aura and LWC components in a Lightning Page when they are both subscribing to Platform Events. Looking for job perks? https://developer.salesforce.com/blogs/2019/04/lightning-web-components-in-lightning-communities.html. Making statements based on opinion; back them up with references or personal experience. This is, because with { enterDetails: true } it won't use the default for the whole object (you already passed it an object). Can you bring everything else to a halt for testing purposes? However I want to know. Add a LWC that subscribes to Platform Event 2 to this page. Sign in All Answers or responses are user generated answers and we do not have proof of its validity or correctness. I have this error from My Lightning Message Channel in LWC. The error response returned when the client attempts to reconnect after a timeout looks similar to the following message. The Aura component subscribed without any problem. Still it is a good idea to leave only this component on the page and check if it works, I will try it. When a gnoll vampire assumes its hyena form, do its HP change? I checked it with Postman and we are not even Close to hitting the Limits, If the handshake is successful, the client must resubscribe to the channel in the handshake listener. navigation the sequence of lifecycle events were not coordinated in the If you have any question please leave a comment below. Platform Event using empApi and then move to another lightning page that 3. To understand that this was a problem caused by mixing LWC and Aura components to the same lightning page, and not my code, I placed both in separate Lightning Pages, and both worked perfectly fine. @AllanOricil Per documentation, lightning:empApi is not supported in Communities. Retrieving old platform events using replayId as -2, subscribe to multiple platform event channels at once. Why are players required to record the moves in World Championship Classical games? Asking for help, clarification, or responding to other answers. How about saving the world? last lightning page the error is gone. However, my @ViewChild was still returning null. rev2023.4.21.43403. Thanks. How to use decorators( wire, track, api) and work with Salesforce Data in Lightning Web Components. Do not hesitate to share your response here to help other visitors like you. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? rev2023.4.21.43403. What should I follow, if two altimeters show different altitudes? Connect and share knowledge within a single location that is structured and easy to search. Thank you! ', referring to the nuclear power plant in Ignalina, mean? Why does Acts not mention the deaths of Peter and Paul? Looking for job perks? He also rips off an arm to use as a sword. If you're ready to find out more about how SimplusLabs can help energize your workers, your customers, and your business with a different experience, let's talk. tells Typescript that it could be undefined. https://developer.salesforce.com/forums/ForumsMain?id=9062I000000Xm9eQAC. I have a suspicion this may have something to do with namespaces (at least in relation to the steps to reproduce I laid out above). In this series you will find LWC tutorials from beginner to intermediate level. I did it a long time ago. Why does contour plot not show point(s) where function has a discontinuity? Has depleted uranium been considered for radiation shielding in crewed spacecraft beyond LEO? However I want to know. What does "up to" mean in "is first up to launch"? We do not have this issue in any other Developer Organizations, Sandboxes or Productions. Good point! LWC EmpApi does not work when there is an Aura component using EmpApi, https://developer.salesforce.com/docs/component-library/bundle/lightning-emp-api/documentation, https://developer.salesforce.com/forums/ForumsMain?id=9062I000000Xm9eQAC, https://user-images.githubusercontent.com/55927613/68996355-bdbfd500-0890-11ea-987b-dbd775f4faf3.png, https://github.com/notifications/unsubscribe-auth/ABRIU6CFKF2NYURL6P5OXJ3QUAP4BANCNFSM4JOFDGJA, Open a console main tab that has a non-namespaced Aura component that subscribes to the, Open a separate console main tab that has a namespaced LWC component that subscribes to the, Click the button in the namespaced LWC component that subscribes to the. Is anything else going on in your page resp LWC when it stops working? Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? Why xargs does not process the last argument? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I want this function's parameter to be optional so anything like that would work: Here's my code (replicated error in TypeScript playground). Typescript: Type'string|undefined'isnotassignabletotype'string', Typescript - 'No overload matches this call' when using fetched data and material-ui, What is the react query "queryKey" typescript type, Persistent undefined error in typescript import export, How to type this Symbol Iterator implementation in TypeScript. It logs received event messages to the JavaScript console in your browser. A client of mine is having some issues loading up her Microsoft Teams for Windows 10. I have one LWC, where I subscribe to Platform Events using lightning/empApi . A way to subscribe to PE on a community page? What does "up to" mean in "is first up to launch"? I am using platform event and subscribing them in a lightning component. [Edit for clarity] This could be related to the following Salesforce known issue: We're having this exact same issue in console. ***> wrote: In my case the event name is CustomEvent__e. Could you confirm that it has not been fixed in the Winter release? I have a similar problem. subscribe to multiple platform event channels at once. How about saving the world? Can the game be left in an invalid state if all state-based actions are replaced? Rapidly develop apps with our responsive, reusable building blocks. Thelightning/empApimodule provides access to methods for subscribing to a streaming channel and listening to event messages. Find centralized, trusted content and collaborate around the technologies you use most. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. No subscription in the Aura component. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Vitalii Dehnerys Asks: Getting the "empApi setting initialized true for : undefined" log in JS console? 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, My LWC (with Emp API implemented) stops receiving Platform Events after some time (6-10 minutes) from the time we opened the page Dev Org, How to show custom error message in lightning-file-upload in lightning web component. Don't mix aura with lwc in the same lighting page. "Signpost" puzzle from Tatham's collection, Generating points along line with specifying the origin of point generation in QGIS, English version of Russian proverb "The hedgehogs got pricked, cried, but continued to eat the cactus", Using an Ohm Meter to test for bonding of a subpanel, Short story about swapping bodies as a job; the person who hires the main character misuses his body. Create a platform event and add some custom fields, Apex in AnonymousWindow in developer console, EP-31 | empAPI in Lightning Web Components Salesforce | LWC Stack , In a component's Javascript file, import methods from the, This example subscribes to a streaming channel when you click the Subscribe button. 2. Enable Backgroundsync: active with default values, Configure slow-link mode: active with "Valuename" set to. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI, Calling LWC Javascript function from subscribe () method of cometd result in function undefined, CDC subscription not working in Lightning Web Component, empApi PushTopic channel does not exist after successful subscribe, Lightning component not showing details but the console does. But you can follow these steps to get the error. The best answers are voted up and rise to the top, Not the answer you're looking for? First, one thing to consider is AfterViewInit; you need to wait for the view to be initialized before you can access your @ViewChild. The log in my Browser console : It did NOT cause any issues for me. Please check complete code below from LWC Stack EP-31. The other thing which might be at play here is that you are going from an Any help will be appreciated. I have collected the logs and can attach them to this thread. Learn more about Stack Overflow the company, and our products. Getting the "empApi setting initialized true for : undefined" log in JS console? // Set the Printer as Default, this is needed only if you can not print to a specific printer cdiNet.SetDefaultPrinter(); // Set initialized to true initialized = true;} but the file created is c:\temp\OutputNet.pdf. Probably because of the ? Before Winter 19 Prior to winter 19 in order to use the streaming API, we need to upload the CometD javascript libraries, as a static resource. Asking for help, clarification, or responding to other answers. Was Aristarchus the first to propose heliocentrism? Tikz: Numbering vertices of regular a-sided Polygon, What "benchmarks" means in "what are benchmarks for?". Streaming API, does salesforce server disconnect client after some time? thank you! empApi setting initialized true for : undefined. Salesforce Stack Exchange is a question and answer site for Salesforce administrators, implementation experts, developers and anybody in-between. Getting the "empApi setting initialized true for : undefined" log in JS console? The default value provided is an example platform event channel. Because config is undefined, typescript complains now. Details Policy doesn't allow os_compute_api:servers:detail to be performed. To learn more, see our tips on writing great answers. If you refer to the Experience section in the documentation, the only supported experiences are LEX and Mobile. Or am I wrong? In all non-legacy browsers, undefined is a non-configurable, non-writable property. 1. has a LWC using empApi, this page throws an exception. A variable that has not been assigned a value is of type undefined.A method or statement also returns undefined if the variable that is being evaluated does not have an . To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Looking for job perks? empApi setting initialized true for : undefined. And I currently noticed that I started getting the next log in Browser Console : empApi setting initialized true for : undefined. This example subscribes to a channel when you click the Subscribe button. Thanks for contributing an answer to Salesforce Stack Exchange! Our steps to reproduce: Open a console app; Open a console main tab that has a non-namespaced Aura component that subscribes to the empApi when it initializes; Open a separate console main tab that has a namespaced LWC component that subscribes to the empApi when a button is clicked; Click the button in the namespaced LWC component that subscribes . If the same utility item is not popped out, it works as execpted. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). The channel is telling you that you need to do a new handshake. I will always provide some kind of config whether it's by parameter or default parameter.
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empapi setting initialized true for : undefined