后台系统验证码需要用到ImageIO,在本地tomcat测试的时候没有问题,当发布到生成环境的tomcat时,生成验证码抛出 Can't create output stream!异常,原因是 No such file or directory 异常造成的,经查看tomcat日志,发现javax.imageio.ImageIO write方法需要在tomcat的temp目录下写缓冲,而生产环境的temp目录被删除了,手动创建temp目录即可解决
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rensanning:
这里整理的更全:http://segmentfault.com ...
国内开源镜像大全 -
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mirrors.aliyun.com
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lannerK:
java_web_hack1 写道./config -t是作什 ...
Linux (RHEL) 编译安装 Nginx -
java_web_hack1:
./config -t是作什么的
Linux (RHEL) 编译安装 Nginx -
lannerK:
jz20110918 写道FileUtil.getFileNa ...
JAVA使用 java-unrar-0.3.jar 解压rar,并且解决中文乱码
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javax.imageio-1.0.5.jar, java处理图片的库。 从maven中央仓库下载的。实测可用。
NULL 博文链接:https://zhangmingji.iteye.com/blog/1969693
Exception in thread “main” javax.imageio.IIOException: Can’t read input file!:无法读取输入文件! 原可以从两个方面分析: 路径中文乱码问题 target/classes文件夹中并没有找到图片 加粗样式看下代码: ...
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