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InitializeParams#rootPath is ignored

See original GitHub issue

According to Language Server Protocol 3.0 InitializeParams contains both a rootPath (though deprecated) and rootUri (preferred). Both of these are supported in LSP4J.

In pre-0.1.0 versions of eclipse.jdt.ls, both getRootPath and getRootUri were checked (see this commit for when this changed).

This presents as an issue in Atom where ide-java, relying on atom-languageclient, is sending initialize calls with a rootPath only. I’m opening a ticket with them to resolve this, but having eclipse.jdt.ls support both getRootPath and getRootUri would comply better with the spec.

See atom/ide-java#37 for resulting error.

Issue Analytics

State:
Created 6 years ago
Comments:7 (5 by maintainers)

Top GitHub Comments

1reaction

damiengcommented, Oct 24, 2017

Two things to note: the versioning of the LSP follows the semver sematic. So 3.0 is not backwards compatible with 2.0.

If that’s the case language server authors need to do a better job at communicating what version they support and when they break compatibility.

0reactions

dbaeumercommented, Oct 26, 2017

My hope is that in the future there will not be any breakage since with 3.0 we introduced capabilities for the client which should now allow to make thing non breaking as long as servers and clients correctly check the capabilities.

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