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使用Cookie写入中文字符会报错
Stacktrace:] with root cause java.lang.IllegalArgumentException: Control character in cookie value or attribute. at org.apache.tomcat.util.http.CookieSupport.isHttpSeparator(CookieSupport.java:205)原创 2017-01-19 19:54:24 · 1074 阅读 · 0 评论 -
在jsp中使用response.getOutputStream()导致报错问题getOutputStream() has already been called for this response
<% BufferedImage image = new BufferedImage(340,160,BufferedImage.TYPE_INT_RGB); Graphics g = image.getGraphics(); g.fillRect(0, 0, 400, 400); g.setColor(new Color(255,0,0)); g.fillArc(20,原创 2017-01-19 17:48:10 · 1894 阅读 · 0 评论