更新硒服务器

selenium.rc.version=2.0 
selenium.rc.revision=a2 

selenium.rc.version=2.0 
selenium.rc.revision=rc2

RemoteControlConfiguration rcc = new RemoteControlConfiguration(); 
rcc.setPort(port); 
try { 
    server = new SeleniumServer(false, rcc); 
    server.boot(); 
} catch (Exception e){ 
     //whatever 
} 

java.lang.NoSuchMethodError: org.openqa.selenium.remote.DesiredCapabilities.opera()Lorg/openqa/ selenium/remote/DesiredCapabilities; 
    at org.openqa.selenium.remote.server.DefaultDriverSessions $1.<init> (DefaultDriverSessions.java:47) 
    at org.openqa.selenium.remote.server.DefaultDriverSessions.<clinit>(DefaultDri verSessions.java: 42) 
    at org.openqa.selenium.server.SeleniumServer.createWebDriverRemoteContext(Sele niumServer.java: 310) 
    at org.openqa.selenium.server.SeleniumServer.assembleHandlers(SeleniumServer.java: 296) 
    at org.openqa.selenium.server.SeleniumServer.createJettyServer(SeleniumServer. java: 258) 
    at org.openqa.selenium.server.SeleniumServer.<init>(SeleniumServer.java: 231)