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Home » Modeling » TMF (Xtext) » How to make the LSP server print more debug logs?
How to make the LSP server print more debug logs? [message #1842696] Tue, 29 June 2021 09:43 Go to next message
Duc Pham is currently offline Duc PhamFriend
Messages: 2
Registered: June 2021
Junior Member
I am trying to create an LSP server for an xtext-based language, following https://www.eclipse.org/Xtext/documentation/340_lsp_support.html.

However, the server does not provide error messages or content assist when it is launched together with an opened file, and the console prints nothing at all. Is there anything I can do to understand better what went wrong?

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Re: How to make the LSP server print more debug logs? [message #1842712 is a reply to message #1842696] Tue, 29 June 2021 13:01 Go to previous messageGo to next message
Tamas Miklossy is currently offline Tamas MiklossyFriend
Messages: 143
Registered: February 2016
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See also https://www.eclipse.org/forums/index.php?t=msg&th=1106583&goto=1837064&#msg_1837064

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Re: How to make the LSP server print more debug logs? [message #1842722 is a reply to message #1842712] Tue, 29 June 2021 15:33 Go to previous messageGo to next message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14253
Registered: July 2009
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for https://www.eclipse.org/Xtext/documentation/340_lsp_support.html.
please double check
- the content type inherits from text content type, the file extension for the content type has *.extension and the editor you open the file with is generic editor

Need professional support for Xtext, Xpand, EMF?
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Re: How to make the LSP server print more debug logs? [message #1842729 is a reply to message #1842722] Wed, 30 June 2021 04:05 Go to previous messageGo to next message
Duc Pham is currently offline Duc PhamFriend
Messages: 2
Registered: June 2021
Junior Member
Sorry, I should clarify that I am seeing the LS being launched, it's just not outputting anything.
Unfortunately, the file produced by `-log debug` is empty as well...

[Updated on: Wed, 30 June 2021 04:05]

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Re: How to make the LSP server print more debug logs? [message #1842730 is a reply to message #1842729] Wed, 30 June 2021 04:55 Go to previous message
Christian Dietrich is currently offline Christian DietrichFriend
Messages: 14253
Registered: July 2009
Senior Member
then you should change the config to use debug mode (there is a dropdown with run and debug) and either debug for exceptions and or if the server is called (e.g. LanguageServer.initialize)
and again:
triple check the content type config and the correct editor be used.

Need professional support for Xtext, Xpand, EMF?
Go to: https://www.itemis.com/en/it-services/methods-and-tools/xtext
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Blog : https://www.dietrich-it.de

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