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Home » Modeling » TMF (Xtext) » The method x() of type y must override a superclass method
The method x() of type y must override a superclass method [message #1740496] Mon, 15 August 2016 06:32 Go to next message
chris yo is currently offline chris yoFriend
Messages: 146
Registered: February 2013
Senior Member
I am using an interface, but for some reason, if I do a clean build (Project -> Clean) an error "The method Dead) of type y must override a superclass method" occurs. If I "touch" the files that contains the errors, Eclipse automatically builds it again and the error is fixed.

The error type is an "Xtend Problem". Is this an existing bug? What workaround is available for this?

I am not sure if this is relevant but I am using Java1.7 and Xtend version 2.9.1.v201512180746.

[Updated on: Mon, 15 August 2016 06:56]

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Re: The method x() of type y must override a superclass method [message #1740497 is a reply to message #1740496] Mon, 15 August 2016 07:05 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
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Registered: July 2009
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can you please give a complete reproducable example

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Re: The method x() of type y must override a superclass method [message #1741099 is a reply to message #1740497] Tue, 23 August 2016 06:12 Go to previous messageGo to next message
chris yo is currently offline chris yoFriend
Messages: 146
Registered: February 2013
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Hi Christian,

I have attached the project that reproduces the problems I am seeing.
I am using eclipse-dsl-luna-SR2-win32 with Java 1.7, though I have tried eclipse-dsl-neon-R-win32 and the problem is still there.

The code might not make sense as this is a scaled-down version of the whole project.
  • Attachment: xtext.7z
    (Size: 1.41MB, Downloaded 64 times)
Re: The method x() of type y must override a superclass method [message #1741726 is a reply to message #1741099] Mon, 29 August 2016 03:05 Go to previous messageGo to next message
chris yo is currently offline chris yoFriend
Messages: 146
Registered: February 2013
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Hi, I haven't solved this problem yet. Anyone have any idea how to fix this? Or any workaround available? Smile
Re: The method x() of type y must override a superclass method [message #1741727 is a reply to message #1741726] Mon, 29 August 2016 03:48 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 13930
Registered: July 2009
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welll 7z is a quite unhandy file extension.
unfortunately i dont know how to provoke the error when importing.
can you give more hints where the error happens on your side?


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Re: The method x() of type y must override a superclass method [message #1741728 is a reply to message #1741727] Mon, 29 August 2016 04:12 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 13930
Registered: July 2009
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well when doing a clean i get some errors.
seems like xcore+xtend+java dont like each other that much.
it seems to help to separate out the xcore stuff out to a separate bundle.
can you please create a bug


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Re: The method x() of type y must override a superclass method [message #1742596 is a reply to message #1741728] Tue, 06 September 2016 03:40 Go to previous message
chris yo is currently offline chris yoFriend
Messages: 146
Registered: February 2013
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I have filed a bug.
https://bugs.eclipse.org/bugs/show_bug.cgi?id=500889

A .zip is also attached there.
Thanks!
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