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SpringBoot返回文件流报"远程主机强迫关闭了一个现有的连接"

var out = response.getOutputStream();
while ((len = br.read(buf)) > 0)
    out.write(buf, 0, len);
br.close();
out.close();

报错的行是out.write(buf, 0, len);,大概意思是,文件流返回未结束,用户就关闭了浏览器,导致无法继续write

请问有什么办法可以判断用户已经关闭了请求?


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by (71.8m points)

报这个错误就表示客户端断了连接
除非有特殊需求,否则不需要处理


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