diff --git a/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/AbstractIncrementalLazyCachesTest.kt b/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/AbstractIncrementalLazyCachesTest.kt
index a59f33190b3..ce787d228d5 100644
--- a/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/AbstractIncrementalLazyCachesTest.kt
+++ b/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/AbstractIncrementalLazyCachesTest.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2021 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -111,7 +111,7 @@ abstract class AbstractIncrementalLazyCachesTest : AbstractIncrementalJpsTest()
             dumpCachesForTarget(
                 printer, paths, target.jpsModuleBuildTarget,
                 target.localCacheVersionManager.versionFileForTesting,
-                metaBuildInfo,
+                metaBuildInfo.toFile(),
                 subdirectory = KOTLIN_CACHE_DIRECTORY_NAME
             )
         }
diff --git a/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributesManagerTest.kt b/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributesManagerTest.kt
index bc162aba34d..02bd634cab8 100644
--- a/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributesManagerTest.kt
+++ b/jps/jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributesManagerTest.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -8,11 +8,11 @@ package org.jetbrains.kotlin.jps.incremental
 import org.jetbrains.kotlin.jps.incremental.CacheStatus
 import org.jetbrains.kotlin.jps.incremental.loadDiff
 import org.junit.Test
-import java.io.File
+import kotlin.io.path.Path
 import kotlin.test.assertEquals
 
 class CompositeLookupsCacheAttributesManagerTest {
-    val manager = CompositeLookupsCacheAttributesManager(File("not-used"), setOf())
+    val manager = CompositeLookupsCacheAttributesManager(Path("not-used"), setOf())
 
     @Test
     fun testNothingToJava() {
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/compilerRunner/CompilerRunnerUtil.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/compilerRunner/CompilerRunnerUtil.kt
index 282fded48c8..669f1a5a4c3 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/compilerRunner/CompilerRunnerUtil.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/compilerRunner/CompilerRunnerUtil.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2021 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,6 +25,9 @@ import org.jetbrains.kotlin.utils.KotlinPathsFromBaseDirectory
 import java.io.File
 import java.io.PrintStream
 import java.lang.ref.SoftReference
+import kotlin.io.path.Path
+import kotlin.io.path.exists
+import kotlin.io.path.name
 
 object CompilerRunnerUtil {
     private var ourClassLoaderRef = SoftReference<ClassLoader>(null)
@@ -35,17 +38,17 @@ object CompilerRunnerUtil {
             if (javaHomePath == null || javaHomePath.isEmpty()) {
                 return null
             }
-            val javaHome = File(javaHomePath)
-            var toolsJar = File(javaHome, "lib/tools.jar")
+            val javaHome = Path(javaHomePath)
+            var toolsJar = javaHome.resolve("lib/tools.jar")
             if (toolsJar.exists()) {
-                return toolsJar.canonicalFile
+                return toolsJar.toFile()
             }
 
             // We might be inside jre.
             if (javaHome.name == "jre") {
-                toolsJar = File(javaHome.parent, "lib/tools.jar")
+                toolsJar = javaHome.parent.resolve("lib/tools.jar")
                 if (toolsJar.exists()) {
-                    return toolsJar.canonicalFile
+                    return toolsJar.toFile()
                 }
             }
 
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinChunk.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinChunk.kt
index 24b5982e1f9..3f4079b0ab8 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinChunk.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinChunk.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -15,7 +15,8 @@ import org.jetbrains.kotlin.jps.incremental.getKotlinCache
 import org.jetbrains.kotlin.jps.model.kotlinCompilerArguments
 import org.jetbrains.kotlin.jps.targets.KotlinModuleBuildTarget
 import org.jetbrains.kotlin.utils.keysToMapExceptNulls
-import java.io.File
+import java.nio.file.Path
+import kotlin.io.path.writeText
 
 /**
  * Chunk of cyclically dependent [KotlinModuleBuildTarget]s
@@ -82,11 +83,10 @@ class KotlinChunk internal constructor(val context: KotlinCompileContext, val ta
         return false
     }
 
-    fun buildMetaInfoFile(target: ModuleBuildTarget): File =
-        File(
-            context.dataPaths.getTargetDataRoot(target),
-            representativeTarget.buildMetaInfoFileName
-        )
+    fun buildMetaInfoFile(target: ModuleBuildTarget): Path = context.dataPaths
+        .getTargetDataRoot(target)
+        .toPath()
+        .resolve(representativeTarget.buildMetaInfoFileName)
 
     fun saveVersions() {
         context.ensureLookupsCacheAttributesSaved()
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinCompileContext.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinCompileContext.kt
index 2d039bb8a33..51c501944ba 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinCompileContext.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinCompileContext.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -12,8 +12,7 @@ import org.jetbrains.jps.incremental.GlobalContextKey
 import org.jetbrains.jps.incremental.fs.CompilationRound
 import org.jetbrains.jps.incremental.messages.BuildMessage
 import org.jetbrains.jps.incremental.messages.CompilerMessage
-import org.jetbrains.kotlin.config.CompilerRunnerConstants
-import org.jetbrains.kotlin.config.CompilerRunnerConstants.*
+import org.jetbrains.kotlin.config.CompilerRunnerConstants.KOTLIN_COMPILER_NAME
 import org.jetbrains.kotlin.incremental.LookupSymbol
 import org.jetbrains.kotlin.incremental.storage.FileToPathConverter
 import org.jetbrains.kotlin.jps.incremental.*
@@ -109,7 +108,7 @@ class KotlinCompileContext(val jpsContext: CompileContext) {
         }
 
         val lookupsCacheRootPath = dataPaths.getTargetDataRoot(KotlinDataContainerTarget)
-        return CompositeLookupsCacheAttributesManager(lookupsCacheRootPath, expectedLookupsCacheComponents)
+        return CompositeLookupsCacheAttributesManager(lookupsCacheRootPath.toPath(), expectedLookupsCacheComponents)
     }
 
     private fun loadLookupsCacheStateDiff(): CacheAttributesDiff<CompositeLookupsCacheAttributes> {
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CacheVersionManager.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CacheVersionManager.kt
index d86215f6b2d..106a83bbda9 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CacheVersionManager.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CacheVersionManager.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -10,6 +10,8 @@ import org.jetbrains.kotlin.load.kotlin.JvmBytecodeBinaryVersion
 import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmMetadataVersion
 import java.io.File
 import java.io.IOException
+import java.nio.file.Path
+import kotlin.io.path.*
 
 /**
  * Manages files with actual version [loadActual] and provides expected version [expected].
@@ -18,7 +20,7 @@ import java.io.IOException
  * Based on that status system may perform required actions (i.e. rebuild something, clearing caches, etc...).
  */
 class CacheVersionManager(
-    private val versionFile: File,
+    private val versionFile: Path,
     expectedOwnVersion: Int?
 ) : CacheAttributesManager<CacheVersion> {
     override val expected: CacheVersion? =
@@ -26,7 +28,7 @@ class CacheVersionManager(
         else CacheVersion(expectedOwnVersion, JvmBytecodeBinaryVersion.INSTANCE, JvmMetadataVersion.INSTANCE)
 
     override fun loadActual(): CacheVersion? =
-        if (!versionFile.exists()) null
+        if (versionFile.notExists()) null
         else try {
             CacheVersion(versionFile.readText().toInt())
         } catch (e: NumberFormatException) {
@@ -36,16 +38,16 @@ class CacheVersionManager(
         }
 
     override fun writeVersion(values: CacheVersion?) {
-        if (values == null) versionFile.delete()
+        if (values == null) versionFile.deleteIfExists()
         else {
-            versionFile.parentFile.mkdirs()
+            versionFile.parent.createDirectories()
             versionFile.writeText(values.intValue.toString())
         }
     }
 
     @get:TestOnly
     val versionFileForTesting: File
-        get() = versionFile
+        get() = versionFile.toFile()
 }
 
 fun CacheVersion(own: Int, bytecode: JvmBytecodeBinaryVersion, metadata: JvmMetadataVersion): CacheVersion {
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributes.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributes.kt
index 04115c7bc39..065dfd7dce7 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributes.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/CompositeLookupsCacheAttributes.kt
@@ -1,13 +1,14 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.jps.incremental
 
 import org.jetbrains.annotations.TestOnly
-import java.io.File
 import java.io.IOException
+import java.nio.file.Path
+import kotlin.io.path.*
 
 /**
  * Attributes manager for global lookups cache that may contain lookups for several compilers (jvm, js).
@@ -16,7 +17,7 @@ import java.io.IOException
  * TODO(1.2.80): got rid of shared lookup cache, replace with individual lookup cache for each compiler
  */
 class CompositeLookupsCacheAttributesManager(
-    rootPath: File,
+    rootPath: Path,
     expectedComponents: Set<String>
 ) : CacheAttributesManager<CompositeLookupsCacheAttributes> {
     private val versionManager = lookupsCacheVersionManager(
@@ -24,7 +25,7 @@ class CompositeLookupsCacheAttributesManager(
         expectedComponents.isNotEmpty()
     )
 
-    private val actualComponentsFile = File(rootPath, "components.txt")
+    private val actualComponentsFile = rootPath.resolve("components.txt")
 
     override val expected: CompositeLookupsCacheAttributes? =
         if (expectedComponents.isEmpty()) null
@@ -33,7 +34,7 @@ class CompositeLookupsCacheAttributesManager(
     override fun loadActual(): CompositeLookupsCacheAttributes? {
         val version = versionManager.loadActual() ?: return null
 
-        if (!actualComponentsFile.exists()) return null
+        if (actualComponentsFile.notExists()) return null
 
         val components = try {
             actualComponentsFile.readLines().toSet()
@@ -47,11 +48,11 @@ class CompositeLookupsCacheAttributesManager(
     override fun writeVersion(values: CompositeLookupsCacheAttributes?) {
         if (values == null) {
             versionManager.writeVersion(null)
-            actualComponentsFile.delete()
+            actualComponentsFile.deleteIfExists()
         } else {
             versionManager.writeVersion(CacheVersion(values.version))
 
-            actualComponentsFile.parentFile.mkdirs()
+            actualComponentsFile.parent.createDirectories()
             actualComponentsFile.writeText(values.components.joinToString("\n"))
         }
     }
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
index 6f51a4e29b3..fcf1bd3b012 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/local.kt
@@ -1,17 +1,16 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.jps.incremental
 
-import java.io.File
+import java.nio.file.Path
 
-private val NORMAL_VERSION = 14
-private val NORMAL_VERSION_FILE_NAME = "format-version.txt"
+private const val NORMAL_VERSION = 14
+private const val NORMAL_VERSION_FILE_NAME = "format-version.txt"
 
-fun localCacheVersionManager(dataRoot: File, isCachesEnabled: Boolean) =
-    CacheVersionManager(
-        File(dataRoot, NORMAL_VERSION_FILE_NAME),
-        if (isCachesEnabled) NORMAL_VERSION else null
-    )
\ No newline at end of file
+fun localCacheVersionManager(dataRoot: Path, isCachesEnabled: Boolean) = CacheVersionManager(
+    dataRoot.resolve(NORMAL_VERSION_FILE_NAME),
+    if (isCachesEnabled) NORMAL_VERSION else null
+)
\ No newline at end of file
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
index b670b9d8cd5..3d688e51c4a 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/incremental/lookups.kt
@@ -1,17 +1,16 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.jps.incremental
 
-import java.io.File
+import java.nio.file.Path
 
-private val DATA_CONTAINER_VERSION_FILE_NAME = "data-container-format-version.txt"
-private val DATA_CONTAINER_VERSION = 5
+private const val DATA_CONTAINER_VERSION_FILE_NAME = "data-container-format-version.txt"
+private const val DATA_CONTAINER_VERSION = 5
 
-fun lookupsCacheVersionManager(dataRoot: File, isEnabled: Boolean) =
-    CacheVersionManager(
-        File(dataRoot, DATA_CONTAINER_VERSION_FILE_NAME),
-        if (isEnabled) DATA_CONTAINER_VERSION else null
-    )
\ No newline at end of file
+fun lookupsCacheVersionManager(dataRoot: Path, isEnabled: Boolean) = CacheVersionManager(
+    dataRoot.resolve(DATA_CONTAINER_VERSION_FILE_NAME),
+    if (isEnabled) DATA_CONTAINER_VERSION else null
+)
\ No newline at end of file
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJsModuleBuildTarget.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJsModuleBuildTarget.kt
index 6c94a735e4b..8b2e5eb4dc3 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJsModuleBuildTarget.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJsModuleBuildTarget.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -39,6 +39,9 @@ import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils.JS_EXT
 import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils.META_JS_SUFFIX
 import java.io.File
 import java.net.URI
+import kotlin.io.path.absolute
+import kotlin.io.path.exists
+import kotlin.io.path.pathString
 
 private const val JS_BUILD_META_INFO_FILE_NAME = "js-build-meta-info.txt"
 
@@ -200,9 +203,9 @@ class KotlinJsModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleBu
             dependencyBuildTarget is KotlinJsModuleBuildTarget &&
             dependencyBuildTarget.sources.isNotEmpty()
         ) {
-            val metaFile = dependencyBuildTarget.outputMetaFile
+            val metaFile = dependencyBuildTarget.outputMetaFile.toPath()
             if (metaFile.exists()) {
-                result.add(metaFile.absolutePath)
+                result.add(metaFile.absolute().pathString)
             }
         }
     }
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt
index e1284cd30b9..aaef345e343 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 package org.jetbrains.kotlin.jps.targets
@@ -47,6 +47,9 @@ import java.io.IOException
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.Paths
+import kotlin.io.path.exists
+import kotlin.io.path.extension
+import kotlin.io.path.notExists
 
 private const val JVM_BUILD_META_INFO_FILE_NAME = "jvm-build-meta-info.txt"
 
@@ -267,19 +270,18 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
         }.toFile()
     }
 
-    private fun findClassPathRoots(): Collection<File> {
-        return allDependencies.classes().roots.filter { file ->
-            if (!file.exists()) {
-                val extension = file.extension
+    private fun findClassPathRoots(): Collection<File> = allDependencies.classes().roots.filter { file ->
+        val path = file.toPath()
+        if (path.notExists()) {
+            val extension = path.extension
 
-                // Don't filter out files, we want to report warnings about absence through the common place
-                if (extension != "class" && extension != "jar") {
-                    return@filter false
-                }
+            // Don't filter out files, we want to report warnings about absence through the common place
+            if (extension != "class" && extension != "jar") {
+                return@filter false
             }
-
-            true
         }
+
+        true
     }
 
     private fun findModularJdkRoot(): File? {
@@ -296,12 +298,12 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
 
     private fun findSourceRoots(context: CompileContext): List<JvmSourceRoot> {
         val roots = context.projectDescriptor.buildRootIndex.getTargetRoots(jpsModuleBuildTarget, context)
-        val result = ContainerUtil.newArrayList<JvmSourceRoot>()
+        val result = mutableListOf<JvmSourceRoot>()
         for (root in roots) {
             val file = root.rootFile
             val prefix = root.packagePrefix
-            if (file.exists()) {
-                result.add(JvmSourceRoot(file, if (prefix.isEmpty()) null else prefix))
+            if (file.toPath().exists()) {
+                result.add(JvmSourceRoot(file, prefix.ifEmpty { null }))
             }
         }
         return result
diff --git a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinModuleBuildTarget.kt b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinModuleBuildTarget.kt
index b12c39078c0..2dda2e615f4 100644
--- a/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinModuleBuildTarget.kt
+++ b/jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinModuleBuildTarget.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -40,6 +40,8 @@ import org.jetbrains.kotlin.progress.CompilationCanceledException
 import org.jetbrains.kotlin.progress.CompilationCanceledStatus
 import org.jetbrains.kotlin.utils.addIfNotNull
 import java.io.File
+import kotlin.io.path.notExists
+import kotlin.io.path.readText
 
 /**
  * Properties and actions for Kotlin test / production module build target.
@@ -69,7 +71,7 @@ abstract class KotlinModuleBuildTarget<BuildMetaInfoType : BuildMetaInfo> intern
 
     @Suppress("LeakingThis")
     val localCacheVersionManager = localCacheVersionManager(
-        kotlinContext.dataPaths.getTargetDataRoot(jpsModuleBuildTarget),
+        kotlinContext.dataPaths.getTargetDataRoot(jpsModuleBuildTarget).toPath(),
         isIncrementalCompilationEnabled
     )
 
@@ -330,7 +332,7 @@ abstract class KotlinModuleBuildTarget<BuildMetaInfoType : BuildMetaInfo> intern
 
     fun isVersionChanged(chunk: KotlinChunk, buildMetaInfo: BuildMetaInfo): Boolean {
         val file = chunk.buildMetaInfoFile(jpsModuleBuildTarget)
-        if (!file.exists()) return false
+        if (file.notExists()) return false
 
         val prevBuildMetaInfo =
             try {