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I have to deploy a gwt project in a remote server. I have developed it in Eclipse in my local machine and debugged it in dev mode and it is working fine.

But in order to deploy it in external server it should not be in dev mode. I have to copy only the compiled version. So I did a clean and built the project and transferred my war file to the external server. But the server shows the error could not run in super dev mode.

I deleted the project and built in newly and transferred the war file and without running it. Still the same error occurs. Is there a way to check if dev mode is removed from the contents of the war file?

Chitra
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open the project Properties ->Google ->Web Toolkit the uncheck use GWT option and this will disable the development mode. =)

Nouran El Kassas
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You don't need to delete project :) Simply stop the development mode - click on Development Mode tab and then "Terminate selected launch" (red square button). After that you can re-compile and deploy your project.

Andrei Volgin
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  • I did it. But there is no change. – Chitra May 09 '17 at 03:43
  • Then restart Eclipse. Something went wrong. Typically, if you stop the dev mode, you don't have to do anything else. – Andrei Volgin May 09 '17 at 03:49
  • Now the project loads in the remote server but it does not work completely. I get the first(login) screen and after I click login, no action is performed. But it works fine in my local machine. I did the following steps after stopping the dev mode. 1.Clean 2.Build 3.Google->GWT compile 4. Copy the contents of war to remote server. – Chitra May 09 '17 at 16:13
  • The problem you describe is not related to the dev mode. Check what exceptions you see in a browser when you run your code on a remote server. – Andrei Volgin May 09 '17 at 16:34
  • java.lang.UnsupportedClassVersionError: ../class... Unsupported major.minor version 52.0 (unable to load class xxxServiceImpl.java).. As far as I new, there is no mistake in the server class. – Chitra May 09 '17 at 16:54
  • I found that this exception occurs when compiler version is later than that of exection. I have used the latest jdk version in my local machine but I can't change the jre in remote server. – Chitra May 09 '17 at 17:06
  • Most probably the jre version of remote server is also 1.8. Unable to identify the issue – Chitra May 09 '17 at 17:30
  • This exception always indicates different Java versions. Check Eclipse or Maven settings for your project (Java facet or pom.xml). – Andrei Volgin May 09 '17 at 18:03