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原创 go语言golang九九乘法表-正反表

代码实战 fmt.Println("---正表---") for i := 1; i < 10; i++ { for j := 1; j <= i; j++ { fmt.Printf("%dx%d=%d\t", j, i, i*j) } fmt.Println() } fmt.Println("---倒表---") for i := 9; i > 0; i-- { for j := 1; j <= i; j++ { fmt.Printf("%dx

2021-04-02 10:54:33 401

原创 Kotlin + springboot启动报错is java.lang.NoClassDefFoundError: kotlin/reflect/jvm/ReflectJvmMapping

解决在当前项目pom文件下加入<dependency> <groupId>com.fasterxml.jackson.module</groupId> <artifactId>jackson-module-kotlin</artifactId> <version>2.10.1</version>&l...

2019-12-02 18:26:11 2172

原创 Linux部署springboot项目彩色日志打印

未做处理tail日志log.out文件tail -f log.out原色效果图tail日志log.out文件tail -f log.out | perl -pe's/(INFO)|(DEBUG)|(WARN)|(ERROR)|(^[0-9-:.\s]{10,23})|((?<=[OGNR]\s)[0-9]{1,5})|((?<=\[.{15}\]\s).{1,40}(?=\...

2019-06-11 16:19:43 1227

原创学成在线Windows 64-bit with Unsupported runtime (64)/Cannot find module 'node-sass'

前端报错 error in ./src/base/components/head.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (64)For more information o...

2018-12-26 17:10:09 6695 2

原创 MongoDB数据库使用Studio3T工具报错Connection failed

错误样式OperationStatusConnecting to localhost:27017FailedConnection failed.SERVER [localhost:27017] (Type: UNKNOWN) |_/ Connection error (MongoSocketWriteException): Exception sending m...

2018-12-25 19:29:08 12181 6

原创 redis-server.exe启动闪退另类解决办法

网上有很多解决Redis-server启动闪退的解决方案，但是都不能解决我的闪退如果你也是遇到同样各种配置，各种启动命令都试了，还是不行，那么这篇文章或许解决你的麻烦。问题原因内存不足导致启动加载失败解决瓶颈买内存比较贵，更换比较麻烦，一时特别需要解决解决问题...

2018-12-20 19:51:24 2616

原创 Windows虚拟内存配置

尽管现在很少有人需要再设置虚拟内存了，但是毕竟不是人人都可以马上换上好的高配置电脑，所以这里就为读者写下一篇解决电脑卡顿，虚拟内存配置的文章步骤首先得打开控制面板，不过win10比较麻烦方式一：随便打开一个文件夹输入“控制面板”Enter方式二：快捷键Win+Rwin键就是靠着左手Alt的四方格键输入命令：Control 点击确定或者Enter点击系统和安全选择系统高级系统...

2018-12-20 19:42:31 9234

原创品优购Error creating bean with name 'orderServiceImpl'

异常信息严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error ...

2018-12-19 09:54:02 1706 2

原创品优购Address already in use: bind

报错严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error cr...

2018-12-17 21:49:46 197

原创品优购day14注册帐号异常信息解决Duplicate entry 'zhangsan' for key 'username'

异常信息java.lang.RuntimeException: org.springframework.dao.DuplicateKeyException: ### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplic...

2018-12-14 19:38:57 1410

原创品优购项目Message处理审核通过报错解决

报错1----FTL stack trace ("~" means nesting-related): - Failed at: #assign specificationList = goodsDesc... [in template "item.ftl" at line 43, column 1]----Java stack trace (for programmers):--...

2018-12-14 10:37:29 739

原创 org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'itemDeleteListener'

品优购项目报错严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Err...

2018-12-13 21:59:41 537

原创 Dubbo提供者检测是否存在/本地调试提供者service方法

作用在windows系统cmd窗口下直接检测dubbo提供者service是否生效准备打开: 控制面板-&amp;amp;gt;程序和功能-启用和关闭Windows功能找到Telnet客户端打上勾步骤打开cmd窗口(命令本地地址需要访问的service端口)输入命令: telnet 127.0.0.1 20880 Entertelnet 127.0.0.1 20880输入命令...

2018-12-13 11:54:45 2329

原创 Allocate exception for servlet springmvc java.lang.IllegalStateException: Failed to check the status

异常信息严重: Allocate exception for servlet springmvcjava.lang.IllegalStateException: Failed to check the status of the service com.pinyougou.page.service.ItemPageService. No provider available for the s...

2018-12-12 00:42:07 1408

原创品优购Error creating bean with name 'itemPageServiceImpl': Injection of autowired dependencies failed

异常信息严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error ...

2018-12-12 00:35:07 1125

原创品优购Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request proc异常

报错严重: Servlet.service() for servlet [springmvc] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root causejava.lang.NullP...

2018-12-11 00:14:27 524

原创品优购项目异常No qualifying bean of type [org.springframework.data.redis.core.RedisTemplate] found for depe