Executing "Force Java compilation" from the command palette shows confusing error message #437

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1. gorkem

   added

   bug

   on Feb 13, 2018
2. fbricon commented on Feb 13, 2018

   

   fbricon

   on Feb 13, 2018

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   I guess we need to change the scope of the command to something workspace friendly
3. fbricon commented on Feb 15, 2018

   

   fbricon

   on Feb 15, 2018

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   Alt+Shift+B works for me, how did you run the command?
4. gorkem commented on Feb 15, 2018

   

   gorkem

   on Feb 15, 2018

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   command palette of course
5. fbricon commented on Feb 15, 2018

   

   fbricon

   on Feb 15, 2018

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   Ok so this is not a multi-root problem. The problem is caused by the server build failing , eg. due to compilation errors, then the promise is rejected L197:

   vscode-java/src/extension.ts

   Lines 181 to 202 in 2a993d3

   	commands.registerCommand(Commands.COMPILE_WORKSPACE, (isFullCompile : boolean) => {
   	return window.withProgress({ location: ProgressLocation.Window }, async p => {
   	if (typeof isFullCompile !== 'boolean') {
   	const selection = await window.showQuickPick(['Incremental', 'Full'], {'placeHolder' : 'please choose compile type:'});
   	isFullCompile = selection !== 'Incremental';
   	}
   	p.report({ message: 'Compiling workspace...' });
   	const start = new Date().getTime();
   	const res = await languageClient.sendRequest(CompileWorkspaceRequest.type, isFullCompile);
   	const elapsed = new Date().getTime() - start;
   	const humanVisibleDelay = elapsed < 1000? 1000:0;
   	return new Promise((resolve, reject) => {
   	setTimeout(() => { // set a timeout so user would still see the message when build time is short
   	if (res === CompileWorkspaceStatus.SUCCEED) {
   	resolve(res);
   	} else {
   	reject(res);
   	}
   	}, humanVisibleDelay);
   	});
   	});
   	});

   When the command results fails, when launched from the command palette, vscode reports it couldn't run the command. When launched from a shortcut, rejected promise is ignored. Not sure what the best way is to deal with that. @ansyral any idea?

   👍React with 👍1Reacted by Matti
6. fbricon

   changed the title [-]Force compilation error on multi-root workspaces[/-] [+]Executing "Force Java compilation" from the command palette shows confusing error message[/+] on Feb 15, 2018
7. mojo2012 commented on Jun 5, 2018

   

   mojo2012

   on Jun 5, 2018

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   It should be made more obvious, that there was a build error. Because I never thought of that. I though my installation is messed up
8. jdneo

   added

   build/infra

   on Feb 10, 2023
9. MeherSru commented on Sep 29, 2026

   

   MeherSru

   on Sep 29, 2026

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   This looks fixed by (#4032). I ran Java: Force Java Compilation → Full on a project with a compile error, in both single-folder and multi-root workspaces, and the "can not be run from here" error no longer appears.
10. datho7561

    closed this as completedon Sep 29, 2026