Ignore failed rename operation for deleted session

Attempting to change session id for a deleted session currently results in "ERR no such key" error on rename operation of expired key. This commit addressed the problem by ignoring the aforementioned error.

Closes #1177

Author: vpavic

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/RedisOperationsSessionRepositoryITests.java

@@ -581,6 +581,22 @@ public void changeSessionIdSaveTwice() {
 		assertThat(this.repository.findById(originalId)).isNull();
 	}
 
+	// gh-1137
+	@Test
+	public void changeSessionIdWhenSessionIsDeleted() {
+		RedisSession toSave = this.repository.createSession();
+		String sessionId = toSave.getId();
+		this.repository.save(toSave);
+
+		this.repository.deleteById(sessionId);
+
+		toSave.changeSessionId();
+		this.repository.save(toSave);
+
+		assertThat(this.repository.findById(toSave.getId())).isNull();
+		assertThat(this.repository.findById(sessionId)).isNull();
+	}
+
 	private String getSecurityName() {
 		return this.context.getAuthentication().getName();
 	}

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/RedisOperationsSessionRepository.java

@@ -28,6 +28,8 @@
 
 import org.springframework.context.ApplicationEvent;
 import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.core.NestedExceptionUtils;
+import org.springframework.dao.NonTransientDataAccessException;
 import org.springframework.data.redis.connection.Message;
 import org.springframework.data.redis.connection.MessageListener;
 import org.springframework.data.redis.core.BoundHashOperations;
@@ -814,8 +816,16 @@ private void saveChangeSessionId(String sessionId) {
 							originalSessionIdKey, sessionIdKey);
 					String originalExpiredKey = getExpiredKey(this.originalSessionId);
 					String expiredKey = getExpiredKey(sessionId);
-					RedisOperationsSessionRepository.this.sessionRedisOperations.rename(
-							originalExpiredKey, expiredKey);
+					try {
+						RedisOperationsSessionRepository.this.sessionRedisOperations.rename(
+								originalExpiredKey, expiredKey);
+					}
+					catch (NonTransientDataAccessException ex) {
+						if (!"ERR no such key".equals(NestedExceptionUtils
+								.getMostSpecificCause(ex).getMessage())) {
+							throw ex;
+						}
+					}
 				}
 				this.originalSessionId = sessionId;
 			}