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Dubbo Failed to bind NettyServer on /192.168.56.1:xx,cause:Address already in use:bind问题解决

问题描述:Caused by: org.apache.dubbo.remoting.RemotingException: Failed to bind NettyServer on /192.168.56.1:20882, cause: Address already in use: bind问题分析:1、当前项目的dubbo端口20882被占用了,导致报错。dubbo:scan:base-pac

#dubbo
Java Communications link failure.The last packet successfully received from the server was问题解决

问题描述:com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure问题分析:1、数据库已关闭当前连接,导致报错。

#java#mysql
MinIO io.minio.errors.ErrorResponseException: Object name contains unsupported characters问题解决

问题描述:io.minio.errors.ErrorResponseException: Object name contains unsupported characters.问题分析:1、使用MinioClient.putObject(String bucketName, String objectName, InputStream stream, String contentType)方法,

IDEA 出现Module “**“ must not contain source root “**“. The root already belongs to module ”**“问题解决

具体错误:Module "XudongMaster_V1_0" must not contain source root "D:\idea 2015\XudongMaster_V1_0\CommonService\src\main\java".The root already belongs to module "CommonService"解决办法:以上报错的意思是XudongMa...

#intellij-idea#java#ide
Spring Boot 打包报错Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0

问题描述:[ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources (default-resources) on project helloworld: Input length = 1 -> [Help 1]问题分析:1、由于plugin标签的内容是Sprin

#spring boot#apache#maven
JPA 执行save()方法成功但是没有插入数据库问题解决

问题描述:执行save()方法成功但是没有插入数据库问题分析:1、需要加上@Transactional(rollbackFor = Exception.class)注解,才能插入成功。

Dubbo TimeoutException: Waiting server-side response timeout by scan timer问题解决

问题描述:Caused by: java.util.concurrent.ExecutionException: org.apache.dubbo.remoting.TimeoutException: Waiting server-side response timeout by scan timer. start time: 2021-10-14 16:05:32.671, end time:

#zookeeper#java
Arthas Can not find tools.jar under java home:xxx,please try to start arthas-boot with full path问题解决

Arthas 是一款线上监控诊断产品,通过全局视角实时查看应用 load、内存、gc、线程的状态信息,并能在不修改应用代码的情况下,对业务问题进行诊断,包括查看方法调用的出入参、异常,监测方法执行耗时,类加载信息等,大大提升线上问题排查效率。Arthas 下载、启动、监控Java应用程序(Windows系统)_旭东怪的博客-CSDN博客。旭东怪的个人空间-旭东怪个人主页-哔哩哔哩视频。

#java#servlet#jvm
Spring Boot while scanning for the next tokenfound character ‘@‘ that cannot start any token问题解决

问题描述:Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next tokenfound character '@' that cannot start any token. (Do not use @ for indentation) in 'reader', line 91, colu

Nacos Unable to start web server;Unable to start embedded Tomcat问题解决

问题描述:org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat问题分

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