Cannot split the view of an opening template

[tanbt]

Steps to reproduce

• Open a template
• Split the editor vertically or horizontally

Actual behavior

The splitted editor is empty.

[1998269]  ERROR - tor.impl.FileEditorManagerImpl - Looks like idPropertyChangeListener already exists. Double initialization? 
java.lang.IllegalStateException: Looks like idPropertyChangeListener already exists. Double initialization?
	at com.vaadin.designer2.services.companionfile.FlowCompanionFileService.addIdPropertyChangeListener(FlowCompanionFileService.java:59)
	at com.vaadin.designer2.services.companionfile.FlowCompanionFileService.initialize(FlowCompanionFileService.java:43)
	at com.vaadin.designer2.intellij.editor.flow.FlowEditorProvider.initializeCompanionFileService(FlowEditorProvider.java:119)
	at com.vaadin.designer2.intellij.editor.flow.FlowEditorProvider.createAndConfigureEditor(FlowEditorProvider.java:111)
	at com.vaadin.designer2.intellij.editor.AbstractDesignerEditorProvider.createEditor(AbstractDesignerEditorProvider.java:52)

Expected behavior

The editor is splitted and works as usual.

IDE, Designer and OS version

IntelliJ, Designer 3, Windows

References

• https://app.intercom.io/a/apps/y0ueytrp/inbox/inbox/all/conversations/19914561947
• https://vaadin.com/forum/thread/17518935

[stale]

Hello there!

It looks like this issue hasn't progressed lately. There are so many issues that we just can't deal them all within a reasonable timeframe.

There are a few things you could help to get things rolling on this issue (this is an automated message, so expect that some of these are already in use):

• Check if the issue is still valid for the latest version. There are many duplicates in our issue tracker, so it is possible that the issue is already tackled.
• Provide more details how to reproduce the issue.
• Explain why it is important to get this issue fixed and politely draw others attention to it e.g. via the forum or social media.
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• If the issue is clearly a bug, use the Warranty in your Vaadin subscription to raise its priority.

Thanks again for your contributions! Even though we haven't been able to get this issue fixed, we hope you to report your findings and enhancement ideas in the future too!

[stale]

The issue was automatically closed due to inactivity. If you found some new details please comment on the issue so that maintainers can re-open it.