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getOutputStream() has already been called for this response 解决

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

 

我在excel导出的时候出现这个错。后面网上一查,很简单的解决办法:

 

在使用完输出流以后调用以下两行代码即可:
out.clear();
out = pageContext.pushBody();

 

很有用~记录下。分享给大家!呵呵

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