Upgrade to IntelliJ IDEA 2021.2

[snicoll]

I haven't tried but it looks like it is broken again.

[wilkinsona]

There's an API for external formatters on its way, but I don't think it's quite ready yet as the issue's still in progress.

[bclozel]

I'm not seeing any particular exception during plugin install or IDE startup.

But I'm not 100% sure the plugin works as expected. Formatting an existing class in a project changes the formatting in a way that ./gradlew format is not happy with. IDEA logs aren't saying much besides the following:

2021-09-29 12:06:44,651 [  85395]   INFO - cloudConfig.CloudConfigManager - === InstallPlugin: PluginDescriptor(name=Spring Javaformat, id=spring-javaformat, descriptorPath=plugin.xml, path=~/Downloads/spring-javaformat-intellij-idea-plugin-0.0.28.jar, version=0.0.28, package=null) ===
2021-09-29 12:06:44,663 [  85407]   INFO - il.indexing.FileBasedIndexImpl - START INDEX SHUTDOWN
2021-09-29 12:06:44,838 [  85582]   INFO - tellij.psi.stubs.StubIndexImpl - StubIndexExtension-s were unloaded
2021-09-29 12:06:45,186 [  85930]   INFO - il.indexing.FileBasedIndexImpl - END INDEX SHUTDOWN
2021-09-29 12:06:45,202 [  85946]   INFO - lij.ide.plugins.DynamicPlugins - Plugin spring-javaformat loaded without restart in 548 ms

Happy to help here with more diagnostics.

[wilkinsona]

This has broken CI, I think because we've lost some IntelliJ modules that were being installed locally and then depended on by spring-javaformat-intellij-idea-plugin. It passed locally as the local repo was "polluted" with those modules from previous builds.