diff --git a/VERSION.txt b/VERSION.txt
index a73608126aa..d3a094cc553 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1,3 +1,6 @@
+jetty-SNAPSHOT
+ + 313196 randomly allocate ports for session test.
+
 jetty-7.1.1.v20100517
  + 302344 Make the list of available contexts if root context is not configured optional
  + 304803 Remove TypeUtil Integer and Long caches
diff --git a/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractOrphanedSessionTest.java b/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractOrphanedSessionTest.java
index e223bdaa81d..db8918e6877 100644
--- a/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractOrphanedSessionTest.java
+++ b/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractOrphanedSessionTest.java
@@ -51,18 +51,18 @@ public abstract class AbstractOrphanedSessionTest
         // Disable scavenging for the first server, so that we simulate its "crash".
         String contextPath = "";
         String servletMapping = "/server";
-        int port1 = random.nextInt(50000) + 10000;
         int inactivePeriod = 5;
-        AbstractTestServer server1 = createServer(port1, inactivePeriod, -1);
+        AbstractTestServer server1 = createServer(0, inactivePeriod, -1);
         server1.addContext(contextPath).addServlet(TestServlet.class, servletMapping);
         server1.start();
+        int port1 = server1.getPort();
         try
         {
-            int port2 = random.nextInt(50000) + 10000;
             int scavengePeriod = 2;
-            AbstractTestServer server2 = createServer(port2, inactivePeriod, scavengePeriod);
+            AbstractTestServer server2 = createServer(0, inactivePeriod, scavengePeriod);
             server2.addContext(contextPath).addServlet(TestServlet.class, servletMapping);
             server2.start();
+            int port2 = server2.getPort();
             try
             {
                 HttpClient client = new HttpClient();
diff --git a/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractTestServer.java b/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractTestServer.java
index 8edde246bca..71f592ebc9d 100644
--- a/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractTestServer.java
+++ b/tests/test-sessions/test-sessions-common/src/main/java/org/eclipse/jetty/server/session/AbstractTestServer.java
@@ -60,6 +60,11 @@ public abstract class AbstractTestServer
         _server.setHandler(_contexts);
         _server.start();
     }
+    
+    public int getPort()
+    {
+        return _server.getConnectors()[0].getLocalPort();
+    }
 
     public ServletContextHandler addContext(String contextPath)
     {