From 8f566132e460bfdf9db4a0ba52ff1d9834e6dbe4 Mon Sep 17 00:00:00 2001
From: Nikolay Krasko <nikolay.krasko@jetbrains.com>
Date: Mon, 13 Aug 2018 19:35:09 +0300
Subject: [PATCH] Workaround for IndexNotReadyException from icon provider
 (EA-118965)

Provider is DumbAware and isn't expected to access indexes.
---
 .../org/jetbrains/kotlin/idea/KotlinIconProvider.kt   | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinIconProvider.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinIconProvider.kt
index ddc45d7d996..d6e64babe2d 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinIconProvider.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinIconProvider.kt
@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.idea
 
 import com.intellij.ide.IconProvider
 import com.intellij.openapi.project.DumbAware
+import com.intellij.openapi.project.IndexNotReadyException
 import com.intellij.openapi.util.Iconable
 import com.intellij.openapi.util.text.StringUtil
 import com.intellij.psi.PsiElement
@@ -52,7 +53,15 @@ class KotlinIconProvider : IconProvider(), DumbAware {
         val result = psiElement.getBaseIcon()
         if (flags and Iconable.ICON_FLAG_VISIBILITY > 0 && result != null && (psiElement is KtModifierListOwner && psiElement !is KtClassInitializer)) {
             val list = psiElement.modifierList
-            return createRowIcon(result.addExpectActualMarker(psiElement), getVisibilityIcon(list))
+            val visibilityIcon = getVisibilityIcon(list)
+
+            val withExpectedActual: Icon = try {
+                result.addExpectActualMarker(psiElement)
+            } catch (indexNotReady: IndexNotReadyException) {
+                result
+            }
+
+            createRowIcon(withExpectedActual, visibilityIcon)
         }
         return result
     }