commit 9888a8b23f61413a75ec30ba8b31f39c7e591416
author Ray Milkey <ray@opennetworking.org> Thu Nov 30 13:52:54 2017 -0800
committer Ray Milkey <ray@opennetworking.org> Wed Dec 20 17:14:26 2017 -0800
tree ee3ede3f2a77ac585723fffc11c5d0f7ab518b5c
parent dd2b4c633a62c9ab46d3eea7b1ff217823ea4901

Fix NPE in PacketManager

This happens when a device event comes in when there
is no device service available.

Change-Id: I50ea44da433979ef0a3a238b22d295e671849ff4

core/net/src/main/java/org/onosproject/net/packet/impl/PacketManager.java

diff --git a/core/net/src/main/java/org/onosproject/net/packet/impl/PacketManager.java b/core/net/src/main/java/org/onosproject/net/packet/impl/PacketManager.java
index 407d33d..a677cc7 100644
--- a/core/net/src/main/java/org/onosproject/net/packet/impl/PacketManager.java
+++ b/core/net/src/main/java/org/onosproject/net/packet/impl/PacketManager.java
@@ -458,6 +458,10 @@
         public void event(DeviceEvent event) {
             eventHandlingExecutor.execute(() -> {
                 try {
+                    if (driverService == null) {
+                        // Event came in after the driver service shut down, nothing to be done
+                        return;
+                    }
                     Device device = event.subject();
                     Driver driver = driverService.getDriver(device.id());
                     if (driver == null) {