线程安全

@@ -7,7 +7,7 @@ import com.thoughtworks.xstream.io.xml.XmlFriendlyNameCoder;
 
 public class MessageAnalysis {
 
-    public static Message message = null;
+    //public static Message message = null;
 
     public Message readTicketsXml(String str) {
         return getMessage(str);
@@ -20,7 +20,7 @@ public class MessageAnalysis {
         XStream.setupDefaultSecurity(xstream);
         //对xstream对象设置默认的安全防护时,允许设置类
         xstream.allowTypes(new Class[]{Message.class});
-        message = (Message) xstream.fromXML(str);
+        Message message = (Message) xstream.fromXML(str);
         return message;
     }