Fixed potential NPE in flow store.

Change-Id: Id4f7887ddf4826f556a62e1a1cd395bc22e882f2

Fixed potential NPE in flow store.
Change-Id: Id4f7887ddf4826f556a62e1a1cd395bc22e882f2
Thomas Vachuska · Gerrit Code Review
Commit c10a9488e362da25d3206c8f219e1f46fa982a9b c10a9488 1 parent 4b022119
Showing 1 changed file with 1 additions and 1 deletions
core/store/dist/src/main/java/org/onosproject/store/flow/impl/DistributedFlowRuleStore.java
--- a/core/store/dist/src/main/java/org/onosproject/store/flow/impl/DistributedFlowRuleStore.java
View file @c10a948
+++ b/core/store/dist/src/main/java/org/onosproject/store/flow/impl/DistributedFlowRuleStore.java
View file @c10a948
@@ -745,7 +745,7 @@ public class DistributedFlowRuleStore
                             Sets.difference(deviceFlowEntries.keySet(), backedupDevices);
                         if (devicesNotBackedup.size() > 0) {
                             log.warn("Failed to backup devices: {}. Reason: {}",
-                                      devicesNotBackedup, error.getMessage());
+                                      devicesNotBackedup, error != null ? error.getMessage() : "none");
                         }
                         if (backedupDevices != null) {
                             backedupDevices.forEach(id -> {