java.lang.IllegalStateException: Cannot forward after response has been committed
发送get或post请求时,抛出如下异常:
java.lang.IllegalStateException: Cannot forward after response has been committed
异常说明response被委派了两次。
解决办法:
将doGet方法中继承超类的方法屏蔽。
重载父类的方法,会抛出response已经被提交的异常。