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Question for failed of step ktlintMainSourceSetCheck

See original GitHub issue

Hi,

Thank you for make by good lint tool.

I will plan for using kotlin in production code, I have some issue.

I need to lint tool for kotlin code. So, I decided this tool use.

It’s use and then build failed.

It’s failed ktlintMainSourceSetCheck in build step.

Kotlin version: 1.3.50
Ktlint version: 9.2.1
Java version: 1.8.222 (openjdk)

Exception in thread "main" java.util.concurrent.ExecutionException: java.lang.ClassCastException: org.jetbrains.kotlin.com.intellij.psi.impl.file.PsiLargeTextFileImpl cannot be cast to org.jetbrains.kotlin.psi.KtFile
	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
	at java.util.concurrent.FutureTask.get(FutureTask.java:192)
	at com.pinterest.ktlint.KtlintCommandLine.parallel(Main.kt:531)
	at com.pinterest.ktlint.KtlintCommandLine.parallel$default(Main.kt:505)
	at com.pinterest.ktlint.KtlintCommandLine.lintFiles(Main.kt:264)
	at com.pinterest.ktlint.KtlintCommandLine.run(Main.kt:232)
	at com.pinterest.ktlint.Main.main(Main.kt:61)
Caused by: java.lang.ClassCastException: org.jetbrains.kotlin.com.intellij.psi.impl.file.PsiLargeTextFileImpl cannot be cast to org.jetbrains.kotlin.psi.KtFile
	at com.pinterest.ktlint.core.KtLint.lint(KtLint.kt:137)
	at com.pinterest.ktlint.internal.FileUtilsKt.lintFile(FileUtils.kt:51)
	at com.pinterest.ktlint.KtlintCommandLine.process(Main.kt:357)
	at com.pinterest.ktlint.KtlintCommandLine.access$process(Main.kt:115)
	at com.pinterest.ktlint.KtlintCommandLine$lintFiles$2$1.call(Main.kt:256)
	at com.pinterest.ktlint.KtlintCommandLine$lintFiles$2$1.call(Main.kt:115)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

> Task :apps:api:ktlintMainSourceSetCheck FAILED

Why cause this situation?

You need to help me.

Thank you.