IDEA-161519 java.lang.IllegalStateException: The DialogWrapper can only be used in event dispatch...

platform/platform-impl/src/com/intellij/openapi/wm/impl/CommandProcessor.java

@@ -19,7 +19,6 @@ import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.Conditions;
 import com.intellij.openapi.wm.impl.commands.FinalizableCommand;
-import com.intellij.util.ui.EdtInvocationManager;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -45,19 +44,17 @@ public final class CommandProcessor implements Runnable {
    * prevent focus handling of events which is caused by the commands to be executed.
    */
   public final void execute(@NotNull List<FinalizableCommand> commandList, @NotNull Condition expired) {
-    EdtInvocationManager.getInstance().invokeLater(() -> {
-      synchronized (myLock) {
-        final boolean isBusy = myCommandCount > 0;
+    synchronized (myLock) {
+      final boolean isBusy = myCommandCount > 0;
 
-        final CommandGroup commandGroup = new CommandGroup(commandList, expired);
-        myCommandGroupList.add(commandGroup);
-        myCommandCount += commandList.size();
+      final CommandGroup commandGroup = new CommandGroup(commandList, expired);
+      myCommandGroupList.add(commandGroup);
+      myCommandCount += commandList.size();
 
-        if (!isBusy) {
-          run();
-        }
+      if (!isBusy) {
+        run();
       }
-    });
+    }
   }
 
   public final void run() {

platform/platform-impl/src/com/intellij/openapi/wm/impl/commands/InvokeLaterCmd.java

@@ -16,6 +16,7 @@
 package com.intellij.openapi.wm.impl.commands;
 
 
+import com.intellij.util.ui.EdtInvocationManager;
 
 /**
  * @author Vladimir Kondratyev
@@ -29,11 +30,14 @@ public final class InvokeLaterCmd extends FinalizableCommand{
   }
 
   public void run(){
-    try{
-      myRunnable.run();
-    }finally{
-      finish();
-    }
+    EdtInvocationManager.getInstance().invokeLater(() -> {
+     try {
+        myRunnable.run();
+      }
+      finally {
+        finish();
+      }
+    });
   }
 
   @Override