Prachil-MI opened a new issue, #30402:
URL: https://github.com/apache/superset/issues/30402
### Bug description
# Dashboard gets stuck on the Loader logo of Superset when embedded into
Angular application using Public role.
## Basic Information.
### **Operating system name and version:**
Ubuntu 22.04 LTS
### **Superset version:**
4.0.1
### **What we have already tried:**
1. We preloaded couple of dashboards in the background to reduce the
download overhead. The actual dashboards load all the static contents from
memory. (Ex. JS, CSS, Images Etc. common across multiple dashboards)
2. We have minimised all the other API calls from the Angular components to
leave all the resources free for Superset to use. Basically, apart from visible
dashboard's API calls, there are no other API calls which are executed at the
time of loading that specific dashboard.
3. We are loading the dashboards dynamically so that they do not use too
many resources. i.e. based on the scroll position.
4. The dashboards are loaded based on the scroll position.
### Additional Information
It is our understanding that the issue could be present in the rendering
mechanism of the dashboard and how the rendering is handled between multiple
API calls which are required for the dashboard to load.
### How to reproduce the bug
### **Bug and detailed steps to reproduce the bug:**
1. Load 4-5 dashboards on a single page, create 4-5 such pages.
2. Then try switching between the dashboards and pages.
3. After browsing for some time, on any one random dashboard, issue occurs
where the loader does not disappear.
Even if the page has two dashboards, the issue appears after a few
navigations. If the user scrolls to the next dashboard, the next dashboard
loads. When the user goes back to the same dashboard where the loader was stuck
forever, the dashboard loads correctly. Alternatively, if the user refreshes
the dashboard, it loads. It looks like the dashboard rendering gets stuck due
to some reason within the embedded iframe.
### Screenshots/recordings
_No response_
### Superset version
4.0.2
### Python version
3.9
### Node version
16
### Browser
Chrome
### Additional context
_No response_
### Checklist
- [X] I have searched Superset docs and Slack and didn't find a solution to
my problem.
- [X] I have searched the GitHub issue tracker and didn't find a similar bug
report.
- [X] I have checked Superset's logs for errors and if I found a relevant
Python stacktrace, I included it here as text in the "additional context"
section.
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