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报错,nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException??

1、2021-01-06 15:43:41.663 ERROR 10184 --- [io-13000-exec-2] c.y.a.c.v1.retcode.RetControlller: 修改失败:[could not execute statement; SQL [n/a]; constraint [UNIQUE_RETCODECONVERT]; nested exception is org

#bug
vmware此应用无法在此设备上运行问题

vmware此应用无法在此设备上运行问题

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#虚拟机
运行报错问题整理

1、问题:com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets fr

idea2020.1使用Lombok注解,点击运行项目提示找不到get,set方法?

idea2020.1使用Lombok注解,点击运行项目提示找不到get,set方法?javabean:@Datapublic class ReponseData {private Map<String,String> head;private Map<String,Object> body;}问题解决(1)查看IDEA中是否正确安装了Lombok插件并开启了使用(2)普通项

idea导入项目不显示右侧maven的解决办法

idea导入项目不显示右侧maven的解决办法

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#intellij-idea#maven#java
idea中vue文件没有高亮显示

idea中vue文件没有高亮显示

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报错,> 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column

错误1:mysql:select * ,count(*)as count from app_cash_trans_log group by app_cash_trans_log.tran_code having count(*)>=(select pla_config.cfg_value from pla_config where pla_config.cfg_name='tranMaxCo

#mysql#sql#数据库
报错, liquibase.exception.ValidationFailedException: Validation Failed

问题:2020-11-12 15:15:14.082 WARN 15972 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.

VMware Workstation安装虚拟机失败

vm虚拟机安装失败问题:VMware Workstation 与 Device/Credential Guard 不兼容。在禁用 Device/Credential Guard 后,可以运行 VMware Workstation。有关更多详细信息,请访问 http://www.vmware.com/go/turnoff_CG_DG。解决:方法一:关闭Hyper-V关掉 Device/Credent

#java
运行报错Error starting ApplicationContext

1、问题:Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.2020-05-04 00:17:07.847 ERROR 6192 --- [ main] o.s.b.d.LoggingFailureAnalysisRepor

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