fixed javadoc errors

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

@@ -96,7 +96,7 @@ import org.springframework.util.Assert;
  * </pre>
  *
  * <p>
- * Spring Session relies on the expired and delete <a href="http://redis.io/topics/notifications">keyspace notifications</a> from Redis to fire a <<SessionDestroyedEvent>>.
+ * Spring Session relies on the expired and delete <a href="http://redis.io/topics/notifications">keyspace notifications</a> from Redis to fire a &lt;&lt;SessionDestroyedEvent&gt;&gt;.
  * It is the `SessionDestroyedEvent` that ensures resources associated with the Session are cleaned up.
  * For example, when using Spring Session's WebSocket support the Redis expired or delete event is what triggers any
  * WebSocket connections associated with the session to be closed.

spring-session/src/main/java/org/springframework/session/web/http/HttpSessionManager.java

@@ -32,9 +32,7 @@ public interface HttpSessionManager {
     /**
      * Gets the current session's alias from the {@link HttpServletRequest}.
      *
-     * @param request
-     *            the {@link HttpServletRequest} to obtain the current session's
-     *            alias from.
+     * @param request the {@link HttpServletRequest} to obtain the current session's alias from.
      * @return the current sessions' alias. Cannot be null.
      */
     String getCurrentSessionAlias(HttpServletRequest request);
@@ -43,9 +41,7 @@ public interface HttpSessionManager {
      * Gets a mapping of the session alias to the session id from the
      * {@link HttpServletRequest}
      *
-     * @param request
-     *            the {@link HttpServletRequest} to obtain the mapping from.
-     *            Cannot be null.
+     * @param request the {@link HttpServletRequest} to obtain the mapping from. Cannot be null.
      * @return a mapping of the session alias to the session id from the
      *         {@link HttpServletRequest}. Cannot be null.
      */
@@ -69,7 +65,7 @@ public interface HttpSessionManager {
      * String addAccountUrl = httpSessionManager.encodeURL("./", newAlias);
      * </code>
      *
-     * @param request
+     * @param request the {@link HttpServletRequest} to get a new alias from
      * @return
      */
     String getNewSessionAlias(HttpServletRequest request);

spring-session/src/main/java/org/springframework/session/web/http/OncePerRequestFilter.java

@@ -77,6 +77,7 @@ abstract class OncePerRequestFilter implements Filter {
      * just invoked once per request within a single request thread.
      * <p>Provides HttpServletRequest and HttpServletResponse arguments instead of the
      * default ServletRequest and ServletResponse ones.
+     * @see Filter#doFilter
      */
     protected abstract void doFilterInternal(
             HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)