From dd7654f9a439ef30c4ea7002e58814084802444f Mon Sep 17 00:00:00 2001
From: Anton Lobov <Anton.Lobov@jetbrains.com>
Date: Thu, 7 Jun 2018 14:06:00 +0200
Subject: [PATCH] IDEA-193494 fix handling dumb mode

---
 json/src/com/jetbrains/jsonSchema/JsonSchemaVfsListener.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/json/src/com/jetbrains/jsonSchema/JsonSchemaVfsListener.java b/json/src/com/jetbrains/jsonSchema/JsonSchemaVfsListener.java
index 756a22d3ec04..b82b0060be21 100644
--- a/json/src/com/jetbrains/jsonSchema/JsonSchemaVfsListener.java
+++ b/json/src/com/jetbrains/jsonSchema/JsonSchemaVfsListener.java
@@ -8,6 +8,7 @@ import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.EditorFactory;
 import com.intellij.openapi.editor.ex.EditorEx;
+import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.ZipperUpdater;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -71,6 +72,7 @@ public class JsonSchemaVfsListener extends BulkVirtualFileListenerAdapter {
       myUpdater = new ZipperUpdater(200, Alarm.ThreadToUse.POOLED_THREAD, project);
       myService = service;
       myRunnable = () -> {
+        if (DumbService.isDumb(project)) return;
         Collection<VirtualFile> scope = new HashSet<>(myDirtySchemas);
         myDirtySchemas.removeAll(scope);