在对我们的一项 REST 服务进行一些负载测试期间，当负载增加时，我们开始看到 Spring 的 REST 模板的这些类型的日志：
在并发负载下，3-4小时后，http请求的Accept头变成
DEBUG: org.springframework.web.client.RestTemplate - Setting request Accept header to [text/plain, application/json, application/*+json, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain, text/plain,<and so on>, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, */*, …