From 415d118b5c57fc2ae3180c7e173a9e1faa2fe30c Mon Sep 17 00:00:00 2001
From: Scott Battaglia <scott.battaglia@gmail.com>
Date: Wed, 6 Aug 2008 13:07:03 +0000
Subject: [PATCH] CASC-65

added an explicit call to remove an entry from the backing storage before adding it just in case it already exists under another key
---
 .../org/jasig/cas/client/session/SingleSignOutFilter.java    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/session/SingleSignOutFilter.java b/cas-client-core/src/main/java/org/jasig/cas/client/session/SingleSignOutFilter.java
index 86d2e9d..ce87728 100644
--- a/cas-client-core/src/main/java/org/jasig/cas/client/session/SingleSignOutFilter.java
+++ b/cas-client-core/src/main/java/org/jasig/cas/client/session/SingleSignOutFilter.java
@@ -92,6 +92,11 @@ public final class SingleSignOutFilter extends AbstractConfigurationFilter {
             	log.debug("Storing session identifier for " + session.getId());
             }
             if (CommonUtils.isNotBlank(artifact)) {
+            	try {
+            		SESSION_MAPPING_STORAGE.removeBySessionById(session.getId());
+            	} catch (final Exception e) {
+            		// ignore if the session is already marked as invalid.  Nothing we can do!
+            	}
             	SESSION_MAPPING_STORAGE.addSessionById(artifact, session);
             }
         }