Cursive 1.8.2

[Cursive]

Hi everyone,

Cursive 1.8.2 is out!

This release adds support for IntelliJ 2019.2. 2019.2 made a big change at the platform level, the Java support was finally split out into a true standalone plugin. Previously for historical reasons it had been blessed in various ways. This is great news for Cursive since it relies on the Java support, and that support was previously not available in the smaller IDEs like WebStorm and PyCharm. It should now be possible (although I haven’t tested this) to install the Java support and Cursive in those IDEs and use it there. However this change had a lot of implications and bugs at the platform level which took a long time to shake out, so unfortunately support for 2019.2 hasn’t had a lot of testing.

There have been two main problems. One was IDEA-217619, which broke the Deps integration. That bug is fixed but some users are still experiencing ongoing problems with the Deps support. I’m hoping to fix those quickly.

The other is IDEA-211736 - this causes all symbol resolution to fail sporadically, and is a problem that started in IntelliJ 2019.1. A fix has been developed for this, but unfortunately it didn’t make the 2019.2 release since it’s a fix to a complicated and intermittent problem in a critical part of their infrastructure. It will be in 2019.2.1 - I’m not sure when that will be out, but it should be within a week or two. If either of these problems affect you, the best thing is not to upgrade IntelliJ for the moment.

Disclaimers aside, on the bright side there are several new features. Cursive will now give you the option to download an archive of the ClojureDocs information, and if you do so this will be used to show examples, notes and see-alsos in the documentation popups. This is documented here. You’ll be prompted to update the archive if it becomes more than 30 days out of date, and you can update it at any time at Preferences | Languages & Frameworks | Clojure.

Also new, when pasting HTML either copied from within IntelliJ or from some external source, Cursive will offer to convert it to hiccup for you when pasting. There’s also new support for the EnvFile IntelliJ plugin, which allows environment variables to be managed in external files such as .env. Environment variables can now also be specified for lein task run configurations. There’s also a fix to a newish flag on the run configs which needs to be set to allow multiple copies of e.g. a REPL to be run from a single config.

A while ago, I made a change to allow keywords to be associated with definitions. Previously keywords had no definition, but simply came into existence on first use. But several frameworks define entities using keyword identifiers - spec and re-frame both do this. So I added the concept of keyword definitions, but the implementation wasn’t entirely successful. Cursive would then treat keywords used in these contexts more like vars, but it wasn’t obvious when that change happened and it was very confusing. It also led to things like Find Usages and Rename behaving differently when keywords were used in the two contexts (as a definition, and as a standard keyword in e.g. destructuring). In this release I’ve modified how this works - keywords now work as they did previously, but you can still navigate to the definitions if they exist and they still show up in the structure view as you would expect. As part of this, there’s also a fix to another annoying keyword navigation issue where you couldn’t navigate from CLJ or CLJS files to keyword definitions in CLJC files.

The new error messages in Clojure 1.10 are also now clickable in the REPL, and there’s stub generation support for Datomic Ions.

There are also many bug fixes. There are various fixes to formatting which would break code under parinfer. The lein support will now use 2.9.1, the latest version. There are also numerous fixes to the deps support when using tools.deps directly as opposed to using the CLI tools, which mostly helps Windows users.

Since 2019.2 is now released, 1.8.2 is the last version of Cursive with support for IntelliJ 2017.1 and 2017.2.

Here are the issues:

Pasting and converting HTML to Hiccup loses contents of <style> and <script> tags #2171

Resolve :extra-deps under aliases to be part of a project #2164

“Allow running in parallel” option in run configs defaults to false and doesn’t persist #2162

deps.edn alias overrides from ~/.clojure/deps.edn fail if they contain ‘/’ #2161

Add support for EnvFile plugin for env var management #2160

Support for Leiningen 2.9.1? #2158

Add stubs support for datomic ions #2156

deps.edn with metadata does not import #2155

Allow pasting HTML code into hiccup #2154

When using t.d.a directly for Deps support, the configured IntelliJ proxy should be obeyed #2150

Allow user to specify Maven repo to use when using t.d.a directly for Deps support #2149

Deps defaults to Clojure 1.9.0 when using t.d.a directly #2148

Make new error messages in Clojure 1.10 clickable #2142

Test result / diff not showing #2123

Code reformat with Parinfer breaks code: def with metadata #2044

Parinfer is confused when functions are indirectly referenced #2027

Add option to set environment variables in leiningen run config #1953

Namespaced keyword “Navigate to Declaration” and “Find Usages” do not work outside of CLJC files #1913

Not all usages of namespaced keywords are found #1908

When hover on showing code examples for built-in functions on clojuredocs.org #1783

metadata map followed by newline indents incorrectly #796

Cheers,
Colin

[Reynald Borer]

Hi Colin,

Thanks for the update!

I just bumped my IntelliJ to 2019.2 with cursive 1.8.2 and am not experiencing an issue 😭. At startup everything looks fine but after 2-3 minutes, I get multiple times the red error message:

Unable to save plugin settings: The plugin com.cursiveclojure.cursive failed to save settings and has been disabled. Please restart IntelliJ IDEA

Then if I try to open any not already open clojure source code file, I get the following stacktrace:

java.lang.IllegalArgumentException: Area already instantiated for: ProjectDefault (Template) Project
at com.intellij.openapi.extensions.Extensions.instantiateArea(Extensions.java:138)
at com.intellij.openapi.project.impl.ProjectImpl.bootstrapPicoContainer(ProjectImpl.java:148)
at com.intellij.openapi.project.impl.DefaultProject$1$1.init(DefaultProject.java:74)
at com.intellij.openapi.project.impl.DefaultProject$1.init(DefaultProject.java:104)
at com.intellij.openapi.project.impl.DefaultProjectTimed.get(DefaultProjectTimed.java:34)
at com.intellij.openapi.project.impl.DefaultProject.getDelegate(DefaultProject.java:131)
at com.intellij.openapi.project.impl.DefaultProject.getComponent(DefaultProject.java:216)
at com.intellij.openapi.wm.ToolWindowManager.getInstance(ToolWindowManager.java:26)
at net.orfjackal.sbt.plugin.SbtRunnerComponent.unregisterToolWindow(SbtRunnerComponent.java:117)
at net.orfjackal.sbt.plugin.SbtRunnerComponent.disposeComponent(SbtRunnerComponent.java:98)
at com.intellij.openapi.components.impl.ComponentManagerImpl.disposeComponents(ComponentManagerImpl.java:169)
at com.intellij.openapi.project.impl.ProjectImpl.dispose(ProjectImpl.java:330)
at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:47)
at com.intellij.openapi.util.Disposer$1.execute(Disposer.java:43)
at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:135)
at com.intellij.openapi.util.objectTree.ObjectNode$1.execute(ObjectNode.java:104)
at com.intellij.openapi.util.objectTree.ObjectTree.executeActionWithRecursiveGuard(ObjectTree.java:194)
at com.intellij.openapi.util.objectTree.ObjectNode.execute(ObjectNode.java:104)
at com.intellij.openapi.util.objectTree.ObjectTree.executeAll(ObjectTree.java:142)
at com.intellij.openapi.util.Disposer.dispose(Disposer.java:136)
at com.intellij.openapi.util.Disposer.dispose(Disposer.java:132)
at com.intellij.util.Timed.dispose(Timed.java:41)
[...]

When I restart IntelliJ the plugin is disabled so I have to enable it again, restart, wait on project indexing to finish, and then the same error happens after a few minutes.

I've tried to invalidate the cache without luck. Also, it's happening on 2 different projects so my guess is that it is not project specific.

Is this issue already known? What kind of information can I provide to help its diagnostic?

Cheers,

Reynald

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[dan young]

Hello,

I tried to upgrade IntelliJ to 2019.2 and the latest Cursive plugin but I get the following error (see attached screen shot) when trying to import an existing deps project (works in previous IntelliJ/Cursive version).  I also noticed when setting up a REPL, and I select the clojure.main under "Which type of REPL to run", at the bottom of the panel a Run Configuration Error comes up stating "No modules containing clojure.main found".  I there a different way to set this up now with Intellij 2019.2?

Regards,

Dano

--

[Colin Fleming]

No, sadly this is https://github.com/cursive-ide/cursive/issues/2209, which is actually a platform issue: https://youtrack.jetbrains.com/issue/IDEA-218954. Unfortunately deps support is pretty much totally broken on 2019.2 - I recommend staying on 2019.1 or even better 2018.3 until 2019.2.1 is out, which will hopefully fix all this.

Sorry for the hassle!

Cheers,

Colin

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Attachments:

• Screen Shot 2019-07-25 at 7.37.56 PM.png
  
• Screen Shot 2019-07-25 at 7.53.54 PM.png
  

[Tom]

Hi Colin,

I’m on a fairly old IntelliJ and I guess it’s time to upgrade. Given there are issues with some versions, can you recommend an IntelliJ version for maximum stability?

Thanks

Tom

[Colin Fleming]

Hi Tom,

Yes, 2018.3 is the most stable version right now. I'm optimistic that the serious issues will be fixed in 2019.2.1, but we'll have to see. All the current serious bugs were introduced in 2019.x.

Cheers,
Colin

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[dan young]

Thank you Colin. I'll revert back to previous versions.

Regards

Dano

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[Nick Jones]

Thanks Colin,

I like the Clojure docs inline examples. Nice one.