Question

java.lang.IllegalStateException:getOutputStream() has already been called for this response

try {
response.getWriter().print(jsonObj);
} catch (IOException e1) {
System.out.println(e1.getMessage());
} catch (Exception e1) {
e1.printStackTrace();
}

java.lang.IllegalStateException: getOutputStream() has already been called for this response
at org.apache.coyote.tomcat5.CoyoteResponse.getWriter(CoyoteResponse.java:599)
at org.apache.coyote.tomcat5.CoyoteResponseFacade.getWriter(CoyoteResponseFacade.java:163)
at com.dazjweb.struts.action.website.InfoTypeAction.add(InfoTypeAction.java:226)
at sun.reflect.GeneratedMethodAccessor229.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)
at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:106)

。。。。。
帮忙看下是哪里出错了，分可以追加的

Answer 1

看不出来哪里出错了
你运行调试的时候没有什么提示吗？
使用的Eclipse？

ps 你问题也发错地方了吧
Java的内容发到外语里面还是有点不合适吧