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linux环境下报java.security.NoSuchAlgorithmException: Algorithm HmacMD5 not available

调用阿里百川openIm的jar包，windows上运行正常，部署到linux服务器上报java.security.NoSuchAlgorithmException: Algorithm HmacMD5 not available的错误，jdk版本都是1.8_131,有人说是由jre中缺少sunjc...

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这个事情一下困扰了好几天，今天终于解决了。做个记录事情的原因为在linux下环境下需要用流输出一个文件，其实这是是件很简单的事情。但麻烦的是输出的文件中文件内容的确被编码成了GBK,可是文件名却一直是utf-8。百思不得其解。也初步调过linux的字符集，确认了的确是GB2312.可是问题还是不能...

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在linux环境下，用java、C或者shell去对齐下面的文件内容？

原文件如下：22 | y 5 | 0 | 6000000402 | 1259111 CC | わあ?bos? | 0 | 6000000402 | 1259111 22 | d7 | 1 | 6000000402 | 1259111 CC | わあ?bos? | 1 | 6000000402 |...

Linux环境下java识别so中的方法

最近在看java加载so的相关内容，并写了个简单的测试程序，代码如下，但是最终没有获取到结果，不知道错误原因，现将整个的测试程序贴出，希望大家帮忙看看，谢谢。 (1)JNI:用于生成头文件的java类 package com; public class JNIC_SO { static { try ...

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