升级Tomcat版本 apache-tomcat-7.0.77
diff --git a/tomcat-uid/webapps/examples/WEB-INF/classes/SessionExample.java b/tomcat-uid/webapps/examples/WEB-INF/classes/SessionExample.java
index 33f4f8f..cca91e0 100644
--- a/tomcat-uid/webapps/examples/WEB-INF/classes/SessionExample.java
+++ b/tomcat-uid/webapps/examples/WEB-INF/classes/SessionExample.java
@@ -15,10 +15,17 @@
 * limitations under the License.

 */

 

-import java.io.*;

-import java.util.*;

-import javax.servlet.*;

-import javax.servlet.http.*;

+import java.io.IOException;

+import java.io.PrintWriter;

+import java.util.Date;

+import java.util.Enumeration;

+import java.util.ResourceBundle;

+

+import javax.servlet.ServletException;

+import javax.servlet.http.HttpServlet;

+import javax.servlet.http.HttpServletRequest;

+import javax.servlet.http.HttpServletResponse;

+import javax.servlet.http.HttpSession;

 

 import util.HTMLFilter;

 

@@ -30,8 +37,11 @@
 

 public class SessionExample extends HttpServlet {

 

-    ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");

-    

+    private static final long serialVersionUID = 1L;

+

+    private static final ResourceBundle RB = ResourceBundle.getBundle("LocalStrings");

+

+    @Override

     public void doGet(HttpServletRequest request,

                       HttpServletResponse response)

         throws IOException, ServletException

@@ -42,18 +52,18 @@
         out.println("<html>");

         out.println("<head>");

 

-        String title = rb.getString("sessions.title");

+        String title = RB.getString("sessions.title");

         out.println("<title>" + title + "</title>");

         out.println("</head>");

         out.println("<body bgcolor=\"white\">");

 

         // img stuff not req'd for source code html showing

-	// relative links everywhere!

+        // relative links everywhere!

 

         // XXX

         // making these absolute till we work out the

-        // addition of a PathInfo issue 

-	

+        // addition of a PathInfo issue

+

         out.println("<a href=\"../sessions.html\">");

         out.println("<img src=\"../images/code.gif\" height=24 " +

                     "width=24 align=right border=0 alt=\"view code\"></a>");

@@ -64,11 +74,11 @@
         out.println("<h3>" + title + "</h3>");

 

         HttpSession session = request.getSession(true);

-        out.println(rb.getString("sessions.id") + " " + session.getId());

+        out.println(RB.getString("sessions.id") + " " + session.getId());

         out.println("<br>");

-        out.println(rb.getString("sessions.created") + " ");

+        out.println(RB.getString("sessions.created") + " ");

         out.println(new Date(session.getCreationTime()) + "<br>");

-        out.println(rb.getString("sessions.lastaccessed") + " ");

+        out.println(RB.getString("sessions.lastaccessed") + " ");

         out.println(new Date(session.getLastAccessedTime()));

 

         String dataName = request.getParameter("dataname");

@@ -78,24 +88,24 @@
         }

 

         out.println("<P>");

-        out.println(rb.getString("sessions.data") + "<br>");

-        Enumeration names = session.getAttributeNames();

+        out.println(RB.getString("sessions.data") + "<br>");

+        Enumeration<String> names = session.getAttributeNames();

         while (names.hasMoreElements()) {

-            String name = (String) names.nextElement(); 

+            String name = names.nextElement();

             String value = session.getAttribute(name).toString();

-            out.println(HTMLFilter.filter(name) + " = " 

+            out.println(HTMLFilter.filter(name) + " = "

                         + HTMLFilter.filter(value) + "<br>");

         }

 

         out.println("<P>");

         out.print("<form action=\"");

-	out.print(response.encodeURL("SessionExample"));

+        out.print(response.encodeURL("SessionExample"));

         out.print("\" ");

         out.println("method=POST>");

-        out.println(rb.getString("sessions.dataname"));

+        out.println(RB.getString("sessions.dataname"));

         out.println("<input type=text size=20 name=dataname>");

         out.println("<br>");

-        out.println(rb.getString("sessions.datavalue"));

+        out.println(RB.getString("sessions.datavalue"));

         out.println("<input type=text size=20 name=datavalue>");

         out.println("<br>");

         out.println("<input type=submit>");

@@ -103,13 +113,13 @@
 

         out.println("<P>GET based form:<br>");

         out.print("<form action=\"");

-	out.print(response.encodeURL("SessionExample"));

+        out.print(response.encodeURL("SessionExample"));

         out.print("\" ");

         out.println("method=GET>");

-        out.println(rb.getString("sessions.dataname"));

+        out.println(RB.getString("sessions.dataname"));

         out.println("<input type=text size=20 name=dataname>");

         out.println("<br>");

-        out.println(rb.getString("sessions.datavalue"));

+        out.println(RB.getString("sessions.datavalue"));

         out.println("<input type=text size=20 name=datavalue>");

         out.println("<br>");

         out.println("<input type=submit>");

@@ -118,11 +128,12 @@
         out.print("<p><a href=\"");

         out.print(HTMLFilter.filter(response.encodeURL("SessionExample?dataname=foo&datavalue=bar")));

         out.println("\" >URL encoded </a>");

-	

+

         out.println("</body>");

         out.println("</html>");

     }

 

+    @Override

     public void doPost(HttpServletRequest request,

                       HttpServletResponse response)

         throws IOException, ServletException