commit dc897a64d6bcd4a94a6c7431aca1a8a096b4e8d6
author 柯志勇10068695 <ke.zhiyong@zte.com.cn> Fri Oct 19 17:33:17 2018 +0800
committer Ray Milkey <ray@opennetworking.org> Fri Oct 19 14:53:46 2018 +0000
tree 8c976c4d6e12df19ac6b80e56a3ccff17c960c09
parent d64ea7bede734500ec7bb962d6b337daa8cf383e

If path is empty but not null, The following code may be error.

Change-Id: I58a16c6a65a8cfe1786465fe8f2139bf57adda96

apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java

diff --git a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
index fe65e6e..99ff091 100644
--- a/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
+++ b/apps/segmentrouting/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
@@ -495,7 +495,7 @@
             // get path here, need to use the same for fwd and rev direction
             List<Link> path = getPath(pw.l2TunnelPolicy().cP1(),
                                       pw.l2TunnelPolicy().cP2());
-            if (path == null) {
+            if (path == null || path.isEmpty()) {
                 log.error("Deploying process : No path between the connection points for pseudowire {}", l2TunnelId);
                 return PATH_NOT_FOUND.appendError("No path between the connection points for pseudowire!");
             }