Bug 332799 fix for 100% cpu issue on session invalidation after a hot deploy

git-svn-id: svn+ssh://dev.eclipse.org/svnroot/rt/org.eclipse.jetty/jetty/trunk@2626 7e9141cc-0065-0410-87d8-b60c137991c4

VERSION.txt

@@ -1,6 +1,7 @@
 
 jetty-7.3.0-SNAPSHOT
  + 333247 fix api compat issue in ConstraintSecurityHandler
+ + 332799 100% CPU on redeploy session invalidation
  + 332432 Scanner.java now always scanning the canonical form of File
  + 332179 Fixed formatting of negative dates
  + 332703 Cleanup context scope JNDI at stop

jetty-server/src/main/java/org/eclipse/jetty/server/session/HashSessionIdManager.java

@@ -127,15 +127,18 @@ public class HashSessionIdManager extends AbstractSessionIdManager
      */
     public void invalidateAll(String id)
     {
-	// Do not use interators as this method tends to be called recursively 
+	// Do not use iterators as this method tends to be called recursively 
 	// by the invalidate calls.
 	while (_sessions.containsKey(id))
 	{
 	    Session session=(Session)_sessions.getValue(id,0);
+	    
 	    if (session.isValid())
+	    {
 		session.invalidate();
-	    else
-		_sessions.removeValue(id,session);
+	    }
+	   
+	    _sessions.removeValue(id,session);	    
 	}
     }