From c3802891fce94c6868acd87c2ff5af6bb83233fa Mon Sep 17 00:00:00 2001
From: Konstantin Tskhovrebov <konstantin.tskhovrebov@jetbrains.com>
Date: Fri, 5 Jun 2020 16:19:32 +0300
Subject: [PATCH] Hide commonizer import error message for unsupported kotlin
 plugin.

---
 .../src/KotlinCommonizerModelBuilder.kt                    | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/idea/kotlin-gradle-tooling/src/KotlinCommonizerModelBuilder.kt b/idea/kotlin-gradle-tooling/src/KotlinCommonizerModelBuilder.kt
index a6ba146aae7..32a3ff81e7a 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinCommonizerModelBuilder.kt
+++ b/idea/kotlin-gradle-tooling/src/KotlinCommonizerModelBuilder.kt
@@ -30,7 +30,12 @@ class KotlinCommonizerModelBuilder : AbstractModelBuilderService() {
 
         try {
             val classLoader = kotlinExt.javaClass.classLoader
-            val clazz = Class.forName(COMMONIZER_SETUP_CLASS, false, classLoader)
+            val clazz = try {
+                Class.forName(COMMONIZER_SETUP_CLASS, false, classLoader)
+            } catch (e: ClassNotFoundException) {
+                //It can be old version mpp gradle plugin. Supported only 1.4+
+                return null
+            }
             val isAllowCommonizerFun = clazz.getMethodOrNull("isAllowCommonizer", Project::class.java) ?: return null
 
             val isAllowCommonizer = isAllowCommonizerFun.invoke(Boolean::class.java, project) as Boolean