[Typescript] Unexpected exception in dev-machine console

[SkorikSergey]

Reproduction Steps

• Create a workspace based on Node stack with enabled TypeScript language server
• Create typescript file and add content:

function greeter(person) {
    return "Hello, " + person;
}

• Type greeter(, wait for signatures proposal and type any symbol.

Actual result: There is Exception occurred in op java.util.concurrent.ExecutionException: org.eclipse.lsp4j.jsonrpc.ResponseErrorException: Request textDocument/signatureHelp failed with message: No content available. exception in dev-machine console.

Che version: 6.14.0
OS and version: Fedora 28

Additional information:

• Problem can be reliably reproduced, doesn't happen randomly: [Yes]
• See the attachment:

Screenshot:

Screencast:

[dkuleshov]

Need to check if this is related to #10699 fix

[SkorikSergey]

This issue started to reproduce from CHE 6.14.0.

[dkuleshov]

Okay, I see that #10699 was merged in 6.13.0 so it is not related, this is strange.

[SkorikSergey]

Not relevant anymore. Closing.