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restTemplate http请求报错:no suitable HttpMessageConverter found for response type and content type

报错信息:org.springframework.web.client.UnknownContentTypeException: Could not extract response: no suitable HttpMessageConverter found for response type [class com.xxx] and content type [text/html;charse

#http#java
Reject: HTTP ‘DELETE‘ is not allowed, Not injecting HSTS.....DELETE请求PUT请求跨域问题

CORS(DELETE请求、PUT请求)Reject: HTTP 'DELETE' is not allowed[DEBUG] 2021-08-25 15:23:52.401 [http-nio-10010-exec-1] HstsHeaderWriter.writeHeaders(169) - Not injecting HSTS header since it did not match th

#http#java
kotlin Bean加载失败lateinit property has not been initialized

Application run failedorg.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘xxxApplicationConfig’: Unsatisfied dependency expressed through field ‘appConfigS

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#spring#java#spring boot
Spring体系下单例策略模式,java策略模式最佳实践

使用最常用的支付场景,轻松了解掌握策略模式。

#spring boot#命令模式#单例模式 +1
妙用postman系列——postman建组、分享

妙用postman系列——postman建组、分享添加新的组和请求。3、生成分享链接4、导入分享链接

#java#postman#测试
Gradle 将项目publish到Nexus,Kotlin将项目发布到nexus,springboot项目发布到maven仓库

公仓设置在项目中添加maven-publish的插件plugins {kotlin("jvm") version "1.3.72"kotlin("plugin.spring") version "1.3.72"`java-library``maven-publish``maven`}如同maven项目一样设置组、版本信息group = "com.test.mytest"version = "0.0

#maven#gradle#java
大数据中用到的新的数据类型bigint、decimal、smallint、tinyint

在对比oracle数据库和大数据库的时候,发现了几个用以存放数字的新的类型bigint、decimal、smallint、tinyint,为了对比之间的不同,我进行了统计bigint可以精确的表示从-263到263-1(即从-9,223,372,036,854,775,808到 9,223,372,036,854,775,807)之间的整数,它占用了八个字节的存储空间。decimal(num...

#java#后端#数据库
/var/lib/docker/overlay2/xxxxx no such file or directory docker文件删除引发的问题

K8s node节点磁盘报警,报警后我找到服务中占用磁盘最多的地方,在overlay2目录下,对下面的文件进行了删除。删除后,有状态服务先出现了问题,服务无法启动、停止、删除。对节点进行重启后,无状态服务集体雪崩。

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#docker#容器#运维
docker报错:driver failed programming external connectivity on endpoint, iptables:No chain by that name

docker 报错:Error response from daemon: Cannot restart container hello: driver failed programming external connectivity on endpoint hello (e58d18c830689e296c0fafdd98bf56e973cee3a3fbee8a3f002d46784f69ae7

#docker#linux#运维
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