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Building for Eclipse and LSP [message #1761441]

Thu, 11 May 2017 08:55

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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Hi!

I upgraded to Xtext 2.11 and need to build both an Eclipse plugin and a vscode extension. The problem is that plugins can only be built with Maven, and the LSP server is much easier to build with Gradle.

I am trying to combine those, but without luck yet. Should it work, or am I trying in vain?

I tried to find a Maven plugin that would bundle the LSP server with all deps in a fat jar, but could not make that work either.

What would be the best way to provide both artifacts?

best regards,
Vlad

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Re: Building for Eclipse and LSP [message #1761443 is a reply to message #1761441]

Thu, 11 May 2017 09:00

Christian Dietrich is currently offline

Christian Dietrich

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hi,

what was your exact problem with that.

what about having a maven AND a gradle build?
if you select eclipse + gradle in the wizard it should offer you to do that?

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Re: Building for Eclipse and LSP [message #1761445 is a reply to message #1761443]

Thu, 11 May 2017 09:06

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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Oh, I didn't read the second sentence when choosing Gradle, about creating a Tycho build too.

It's a bit of work to recreate the projects with the wizard for an existing code base, but it sure is easier than trying to do it by hand! I had probably missed some settings.

Thanks Christian!

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Re: Building for Eclipse and LSP [message #1761446 is a reply to message #1761443]

Thu, 11 May 2017 09:06

Christian Dietrich is currently offline

Christian Dietrich

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anf for pure maven you should have a look at

- copy dependencies from https://maven.apache.org/plugins/maven-dependency-plugin/copy-dependencies-mojo.html
- https://maven.apache.org/plugins/maven-shade-plugin/
-

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Re: Building for Eclipse and LSP [message #1761448 is a reply to message #1761446]

Thu, 11 May 2017 09:08

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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I tried those plugins, but again, something is probably missing because I got an incomplete result. I hope to get Gradle working, though.

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Re: Building for Eclipse and LSP [message #1761451 is a reply to message #1761448]

Thu, 11 May 2017 09:16

Christian Dietrich is currently offline

Christian Dietrich

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=> use the wizard. that should work out of the box

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Re: Building for Eclipse and LSP [message #1763263 is a reply to message #1761451]

Fri, 12 May 2017 09:17

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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Thanks, it looks like it is working, but when trying out the mydsl example, I get an error; any ideas what I can do to fix it?

[Error - 11:14:53 AM] Server initialization failed.
Message: java.lang.reflect.InvocationTargetException
Code: -32603

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Re: Building for Eclipse and LSP [message #1763272 is a reply to message #1763263]

Fri, 12 May 2017 10:14

Christian Dietrich is currently offline

Christian Dietrich

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did you start the java -jar manualy to get a complete stacktrace

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Re: Building for Eclipse and LSP [message #1763274 is a reply to message #1763272]

Fri, 12 May 2017 10:30

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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I used the embedded variant. Will try the standalone, but so far I can't get it to connect (to be specified that I don't have a pure mydsl demo, but implemented it similarly on my code base)

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Re: Building for Eclipse and LSP [message #1763275 is a reply to message #1763274]

Fri, 12 May 2017 10:36

Christian Dietrich is currently offline

Christian Dietrich

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no i mean:

in the embedded variant you have a shell script or something
simply call that manually from cmd line

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Re: Building for Eclipse and LSP [message #1763277 is a reply to message #1763275]

Fri, 12 May 2017 10:37

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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The error is thrown when receiving the first message. Just starting from CLI works fine, the server sits and waits for a connection.

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Re: Building for Eclipse and LSP [message #1763280 is a reply to message #1763277]

Fri, 12 May 2017 10:50

Christian Dietrich is currently offline

Christian Dietrich

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that looks strange. so the error happens on connect. maybe you can start the server with remote debugging so you can inspect

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Re: Building for Eclipse and LSP [message #1763284 is a reply to message #1763280]

Fri, 12 May 2017 11:05

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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I will try that, it's been a while since doing that.

My guess is that the problem occurs when the jsonrpc dispatcher calls the initialize method - that would be consistent with the InvocationTargetException that is reflection-related.

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Re: Building for Eclipse and LSP [message #1763550 is a reply to message #1763284]

Wed, 17 May 2017 10:24

anil chalil is currently offline

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I encoutered with same error as well. Then i moven my dsl files to a new directory and from vscode i opened directory. Exception has gone. But i dont know what fixed it i mean opening the directory or a fresh directory without other files.

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Re: Building for Eclipse and LSP [message #1763625 is a reply to message #1763550]

Thu, 18 May 2017 07:15

Vlad Dumitrescu is currently offline

Vlad Dumitrescu

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You are right, thanks!

So the problem happens when opening files without a current open folder... Looking at the code, it should be handled with a proper error message, but maybe something goes wrong before getting there, while doing the dependency injection magic.

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Re: Building for Eclipse and LSP [message #1763627 is a reply to message #1763625]

Thu, 18 May 2017 07:21

Christian Dietrich is currently offline

Christian Dietrich

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well this is: https://github.com/eclipse/xtext-core/issues/57

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