Java web 验证码程序中报错 Cannot create a session after the response has been committed
问题描述在我的Javaweb项目中,写了一个获取验证码的方法,代码如下所示@WebServlet("/checkCodeServlet")publicclassCheckCodeServletextendsHttpServlet{@OverrideprotectedvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)thr