From c74f79b294e51a53bbc11bed941671ef7e6466f9 Mon Sep 17 00:00:00 2001
From: Stian Thorgersen <stianst@gmail.com>
Date: Tue, 26 Jan 2016 08:01:14 +0000
Subject: [PATCH] KEYCLOAK-2390 Relative redirect uri is broken

---
 src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
index 0db1ddb..780f9a3 100644
--- a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
+++ b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
@@ -108,7 +108,7 @@
     }
 
     private static String relativeToAbsoluteURI(UriInfo uriInfo, String rootUrl, String relative) {
-        if (rootUrl == null) {
+        if (rootUrl == null || rootUrl.isEmpty()) {
             URI baseUri = uriInfo.getBaseUri();
             String uri = baseUri.getScheme() + "://" + baseUri.getHost();
             if (baseUri.getPort() != -1) {

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