Caused by: java.lang.IllegalStateException: getOutputStream() has already been called for this respo

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1、错误描述

Caused by: java.lang.IllegalStateException: getOutputStream() has already been called for this responseat org.apache.catalina.connector.Response.getWriter(Response.java:648)at org.apache.catalina.connector.ResponseFacade.getWriter(ResponseFacade.java:213)at javax.servlet.ServletResponseWrapper.getWriter(ServletResponseWrapper.java:104)at exception.ExceptionHandler.resolveException(ExceptionHandler.java:47)at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1161)at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:998)at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:952)at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)... 50 more

2、错误原因

由于启动eclipse项目时，无法暂时连接远程数据库服务器，出现这个错误

3、解决办法

（1）检查数据库服务器连接情况

（2）重新启动项目

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