一个简单的springboot微服务项目，所有子模块依赖api-root这个POM
模块说明
项目结构
公共的jar中因为没有main方法，当我们install整个项目的时候，会抛异常：
[ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.2.RELEASE:repackage (default) on project commons: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.0.2.RELEASE:repackage failed: Unable to find main class -> [Help 1]
解决办法：在公共jar包的POM中加入
org.springframework.boot
spring-boot-maven-plugin
true
而服务jar我们通常不需要deploy到私服仓库中去，只需要在服务模块的POM中加入
${project.artifactId}
org.apache.maven.plugins
maven-deploy-plugin
true
deploy我们需要告诉它发布到哪去，只需要在父POM中加入下面的代码：
nexus-releases
Nexus Release Repository
http://192.168.1.2:8081/repository/maven-releases/
nexus-snapshots
Nexus Snapshot Repository
http://192.168.1.2:8081/repository/maven-snapshots/
上面的
nexus-releases
admin
admin123
nexus-snapshots
admin
admin123
这样当我们运行mvn deploy -Dmanve.test.skip=true的时候，就可以将api-root.pom，commons.jar，api-feign.jar发布到私服仓库中供别人使用了。
有时候我们自己的公共的snapshots包deploy到私服后，maven并没有去拉取最新的jar包，这是因为maven默认配置每天只拉取一次。
方案一：
可以在setting.xml文件中修改默认行为：
always
updatePolicy可用的值包括：
-
daily每天检查一次(默认) -
never从不检查更新； -
always每次构建都检查更新； -
interval：X每隔X分钟检查一次更新（X为任意整数）
方案二：
或者打包的时候添加-U参数来强制更新。
mvn clean package -U
方案三：
idea中还可以勾选Always update snapshots
image.png
附：
- maven的setting.xml
nexus-releases
admin
admin123
nexus-snapshots
admin
admin123
maven-public
maven-public
http://192.168.1.2:8081/repository/maven-public/
central
maven-public
nexus-releases
Nexus Release Snapshot Repository
http://192.168.1.2:8081/repository/maven-releases/
true
false
nexus-snapshots
http://192.168.1.2:8081/repository/maven-snapshots/
false
true
always
nexus-releases
Nexus Release Snapshot Repository
http://192.168.1.2:8081/repository/maven-releases/
true
true
nexus-snapshots
http://192.168.1.2:8081/repository/maven-snapshots/
true
true
always
maven-public
- 完整的api-root的pom.xml
4.0.0
com.wd.cloud
api-root
0.0.1-SNAPSHOT
pom
api-root
微服务根POM
api-feign
api-gateway
config-server
discovery
auth-server
doc-delivery
commons
org.springframework.boot
spring-boot-starter-parent
2.0.2.RELEASE
UTF-8
UTF-8
1.8
Finchley.M9
1.4.4.RELEASE
1.1.9
1.4.7
1.7.0.RELEASE
[4.0.12,)
2.9.5
2.9.5
1.9.12
org.springframework.cloud
spring-cloud-dependencies
${spring-cloud.version}
pom
import
com.alibaba
druid
${com.alibaba.druid.version}
org.springframework.cloud
spring-cloud-starter-feign
${openfeign.version}
com.spring4all
swagger-spring-boot-starter
${swagger.version}
javax.mail
mail
${javax.mail.version}
com.wd.cloud
commons
${version}
com.wd.cloud
api-feign
${version}
cn.hutool
hutool-all
${cn.hutool.all.version}
com.fasterxml.jackson.core
jackson-databind
${jackson.databind.version}
com.fasterxml.jackson.core
jackson-core
${jackson.core.version}
org.codehaus.jackson
jackson-mapper-asl
${jackson.asl.version}
org.springframework.boot
spring-boot-maven-plugin
nexus-releases
Nexus Release Repository
http://192.168.1.2:8081/repository/maven-releases/
nexus-snapshots
Nexus Snapshot Repository
http://192.168.1.2:8081/repository/maven-snapshots/
spring-milestones
Spring Milestones
https://repo.spring.io/libs-milestone
false
- 公共模块commons的pom.xml
4.0.0
${parent.version}
commons
jar
commons
公共包
com.wd.cloud
api-root
0.0.1-SNAPSHOT
../pom.xml
UTF-8
UTF-8
1.8
org.springframework.boot
spring-boot-maven-plugin
true
- 服务模块config-server的pom.xml
4.0.0
config-server
${parent.version}
jar
config-server
配置服务中心
com.wd.cloud
api-root
0.0.1-SNAPSHOT
../pom.xml
org.springframework.cloud
spring-cloud-config-server
org.springframework.cloud
spring-cloud-starter-netflix-eureka-client
org.springframework.boot
spring-boot-starter-web
org.springframework.boot
spring-boot-starter-test
test
com.wd.cloud
commons
com.spring4all
swagger-spring-boot-starter
${project.artifactId}
org.apache.maven.plugins
maven-deploy-plugin
true