After installing my custom page, getting 'App is not responding. Wait or cancel?' message on the page which was displayed after hitting the plugin link. How to get rid of 'App is not responding. Wait or cancel?' issue. Functionality is working properly as expected but this message is still coming on UI.
If everything is otherwise working, as @Divesh Solanki mentioned it was ("Functionality is working properly as expected...") and @DPK J choose to ignore, this is likely due to the all.js not being loaded.
I ran into the same issue, as my test page was simply returning a "hello world" string. Updated it to return an actual HTML page with the script and it worked just fine.
The original question was development related and should have been in the developer community, not here. (And I probably shouldn't have necro'd it.)
If you are a user and having this issue, please post a new question and indicate the app in question. Or, contact the app provider directly (under the app's Manage apps entry, there is usually a Support link - if not, the Vendor is usually a link to their website).
If you are a developer and getting this on your app, please post in the Atlassian Developer Community for a better audience.
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