diff --git a/java/java-runtime/src/com/intellij/rt/debugger/coroutines/JsonUtils.java b/java/java-runtime/src/com/intellij/rt/debugger/coroutines/JsonUtils.java
index efd905b82717..0056eee34ec5 100644
--- a/java/java-runtime/src/com/intellij/rt/debugger/coroutines/JsonUtils.java
+++ b/java/java-runtime/src/com/intellij/rt/debugger/coroutines/JsonUtils.java
@@ -3,7 +3,7 @@ package com.intellij.rt.debugger.coroutines;
 
 import java.util.List;
 
-final class JsonUtils {
+public final class JsonUtils {
   private JsonUtils() { }
 
   static String dumpCoroutineStackTraceDumpToJson(
diff --git a/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/CoroutineStackFrameInterceptor.kt b/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/CoroutineStackFrameInterceptor.kt
index 118216bec400..75229b401e00 100644
--- a/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/CoroutineStackFrameInterceptor.kt
+++ b/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/CoroutineStackFrameInterceptor.kt
@@ -7,9 +7,12 @@ import com.intellij.debugger.engine.DebugProcessImpl
 import com.intellij.debugger.engine.MethodInvokeUtils
 import com.intellij.debugger.engine.SuspendContextImpl
 import com.intellij.debugger.engine.SuspendManagerUtil
+import com.intellij.debugger.engine.evaluation.EvaluateException
+import com.intellij.debugger.impl.ClassLoadingUtils
 import com.intellij.debugger.impl.DebuggerUtilsEx
 import com.intellij.debugger.impl.DebuggerUtilsImpl
 import com.intellij.debugger.jdi.StackFrameProxyImpl
+import com.intellij.openapi.diagnostic.fileLogger
 import com.intellij.openapi.diagnostic.thisLogger
 import com.intellij.openapi.util.registry.Registry
 import com.intellij.rt.debugger.coroutines.CoroutinesDebugHelper
@@ -253,8 +256,12 @@ private class CoroutineStackFrameInterceptor : StackFrameInterceptor {
     }
 }
 
-internal fun callMethodFromHelper(helperClass: Class<*>, context: DefaultExecutionContext, methodName: String, args: List<Value?>): Value? {
+internal fun callMethodFromHelper(
+    helperClass: Class<*>, context: DefaultExecutionContext, methodName: String, args: List<Value?>,
+    vararg additionalClassesToLoad: Class<*>
+): Value? {
     try {
+        if (!loadClasses(context, *additionalClassesToLoad)) return null
         return DebuggerUtilsImpl.invokeHelperMethod(context.evaluationContext, helperClass, methodName, args)
     } catch (e: Exception) {
         val helperExceptionStackTrace = MethodInvokeUtils.getHelperExceptionStackTrace(context.evaluationContext, e)
@@ -263,3 +270,18 @@ internal fun callMethodFromHelper(helperClass: Class<*>, context: DefaultExecuti
     }
     return null
 }
+
+private fun loadClasses(context: DefaultExecutionContext, vararg additionalClassesToLoad: Class<*>): Boolean {
+    for (clazz in additionalClassesToLoad) {
+        try {
+            if (ClassLoadingUtils.getHelperClass(clazz, context.evaluationContext) == null) {
+                fileLogger().warn("Cannot load '${clazz.canonicalName}' to the debuggee process")
+                return false
+            }
+        } catch (e: EvaluateException) {
+            fileLogger().warn("Cannot load '${clazz.canonicalName}' to the debuggee process", e)
+            return false
+        }
+    }
+    return true
+}
diff --git a/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/proxy/ContinuationHolder.kt b/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/proxy/ContinuationHolder.kt
index 8b86db1ff16c..00f808a66429 100644
--- a/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/proxy/ContinuationHolder.kt
+++ b/plugins/kotlin/jvm-debugger/coroutines/src/org/jetbrains/kotlin/idea/debugger/coroutine/proxy/ContinuationHolder.kt
@@ -6,6 +6,7 @@ import com.intellij.debugger.engine.JavaValue
 import com.intellij.debugger.impl.DebuggerUtilsImpl.logError
 import com.intellij.openapi.diagnostic.fileLogger
 import com.intellij.rt.debugger.coroutines.CoroutinesDebugHelper
+import com.intellij.rt.debugger.coroutines.JsonUtils
 import com.sun.jdi.ArrayReference
 import com.sun.jdi.ObjectReference
 import com.sun.jdi.StringReference
@@ -80,7 +81,8 @@ private fun collectCoroutineAndCreationStack(
     continuation: ObjectReference,
     context: DefaultExecutionContext
 ): Pair<List<MirrorOfStackFrame>, List<StackTraceElement>?>? {
-    val array = callMethodFromHelper(CoroutinesDebugHelper::class.java, context, "getCoroutineStackTraceDump", listOf(continuation))
+    val array = callMethodFromHelper(CoroutinesDebugHelper::class.java, context, "getCoroutineStackTraceDump", listOf(continuation),
+                                     JsonUtils::class.java)
         ?: return fallbackToOldFetchContinuationStack(continuation, context)
     return parseResultFromHelper(array)
 }