spring boot 开发 ajax返回值报错

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spring boot 开发 ajax返回值报错

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【spring boot】【elasticsearch】spring boot整合elasticsearch，启动报错Caused by: java.lang.IllegalStateException: availableProcessors is already set to [8], rejecting [8

spring boot整合elasticsearch, 启动报错: Caused by: java.lang.IllegalStateException: availableProcessors ], rejecting [] at io.netty.util.NettyRuntime$AvailableProcessorsHolder.setAvailableProcessors(NettyRuntime.java:) ~[netty-common-.Final.jar:.Final] at…

【spring boot】spring cloud下spring boot微服务启动没有报错，但是访问访问不到

spring cloud下spring boot微服务启动没有报错,但是访问访问不到解决方法: 可能是端口被占用了,但是依旧启用成功了. 更改一下项目启用的端口号,再重新启动查看是否可以正常访问.…

spring boot 规范json返回值

spring boot 规范json返回值 spring boot 接口返回配置 @ResponseBody ,则返回自定义的对象,解析成json. 但是,部分字段能友好的展示出来.如 Date,Long.Date必须手动格式化,才能输出想要的格式,还要注意时区问题.Long类型,相对过长的Long类型,会进行四舍五入等处理,失去准确性. 如Date类型处理需要给属性值加上注解: @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone…

【spring boot】使用定时任务@Scheduled 报错：Encountered invalid @Scheduled method 'dealShelf': Cron expression must consist of 6 fields (found 7 in "0 30 14 * * ? *")

在spring boot中使用使用定时任务@Scheduled 报错: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'autoShelfSchedule' defined in file [D:\document\IdeaProjects\pisen\pisen-cloud-luna\pisen-cloud-luna-ms-jifen\target\classes\c…

Spring Boot错误——SpringBoot 2.0 报错: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.

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