From 07c120081c934c180b8355dc3df7f567115eb618 Mon Sep 17 00:00:00 2001
From: dvonthenen <david.vonthenen@emc.com>
Date: Wed, 15 Jun 2016 12:45:37 -0700
Subject: [PATCH] Handle the case when the recover state is empty in 0.28.2

---
 isolator/isolator/docker_volume_driver_isolator.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/isolator/isolator/docker_volume_driver_isolator.cpp b/isolator/isolator/docker_volume_driver_isolator.cpp
index f16fc2a..2ebc501 100644
--- a/isolator/isolator/docker_volume_driver_isolator.cpp
+++ b/isolator/isolator/docker_volume_driver_isolator.cpp
@@ -177,6 +177,10 @@ Future<Nothing> DockerVolumeDriverIsolator::recover(
   LOG(INFO) << "dvdicheckpoint::recover() called";
   Result<State> resultState =
     mesos::internal::slave::state::recover(mesosWorkingDir, true);
+  if (resultState.isNone()) {
+    LOG(INFO) << "dvdicheckpoint::recover(): recover state is NONE";
+    return Nothing();
+  }
 
   State state = resultState.get();
   LOG(INFO) << "dvdicheckpoint::recover() returned: " << state.errors;