Issue encountered during execution of GWT developer mode

While attempting to run my application in GWT dev mode from Intellij, I encountered the following error message:

 ERROR: Failed to create an instance of 'com.vaadin.client.ApplicationConnection' via deferred binding 
java.lang.RuntimeException: Deferred binding failed for 'com.vaadin.client.metadata.ConnectorBundleLoader' (did you forget to inherit a required module?)
    at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:53)
    at com.google.gwt.core.shared.GWT.createImpl(GWT.java:83)
    at com.google.gwt.core.shared.GWT.create(GWT.java:65)
    at com.vaadin.client.metadata.ConnectorBundleLoader.get(ConnectorBundleLoader.java:76)
    ...
Caused by: com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost

Based on the error message, it appears that I may have forgotten to inherit a necessary module. The specific module containing the "com.vaadin.client.ApplicationConnection" class is not clear to me, especially since this class belongs to Vaadin itself. I am currently using Vaadin version 7.4.6 and have already inherited 

<inherits name="com.vaadin.DefaultWidgetSet" />
.

javascriptjavagoogle-chromegwtvaadin7

Answer №1

Happy to report that I successfully resolved the issue and wanted to share my solution for others who may encounter the same problem.

  • Cleared out all outdated compiled widget sets from the designated target directory
  • Performed a full recompilation of the entire project

Following these steps, I discovered that the issue was resolved and everything started functioning smoothly again.

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