问题标签 [javax.comm]
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spring-mvc - 嵌套异常是 javax.comm 中的 java.lang.NoClassDefFoundError 在部署 WAR 时使用 Srping MVC?
我试图通过在 Spirng MVC 中实现的 javax.comm (WINDOWS 32) 读取 COM 端口。是的,如果我在 Tomcat 上部署 WAR 会引发错误,我会从事开发工作。
我的错误日志:
这是我的请求映射
这是我的简单阅读方法:
最后,seralEvent 方法
java - READ ASCII data using Javax comm package
I have a device sends some data to COM port, byte stream is a human readable ASCII character stream. I tried to read the data stream from a port reader and I can read it easily like,
WBC E 0.00 10^9/l [4.00-10.00] LYM 0.00 10^9/l [1.30-4.00]
But when I'm trying to read from a java program as byte and converting to ASCII, still it shows as jargon. e.g. ���v�</p>
I changed array size and try various options to convert array to ASCII.
Row out is like
4C 4C 59 20 41 55 54 4F 4D 41 54 45 44 20 48 45 LLY AUTOMATED HE
Guidance to read n proper format is highly appreciated.
Code is