Could not resolve dependencies for project

maven 打包Could not resolve dependencies for project和无效的目标发行版: 1.8
1.maven 打包Could not resolve dependencies for project

最近项目上使用的是idea ide的多模块话，需要模块之间的依赖，比如说系统管理模块依赖授权模块进行认证和授权，而认证授权模块需要依赖系统管理模块进行，然后，我就开始相互依赖，然后出现这样的问题：

“Could not resolve dependencies for project”，让我百思不得其解，最后网络搜了搜，最后给的解决方案是：

我也碰到这个问题，需要把parent工程，也就是package是pom的那个工程先install一下
然后我就找parent下面的pom，找到标签里是pom的那个包，然后install了一下，就好了。原因未知，但是的确救了很多碰到相似问题的人

简单一句话：对着父项目先 clean install 然后子项目clean package发布 ok

2.maven 打包无效的目标发行版: 1.8

保证所有打包的项目 使用的jdk为1.8的版本

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报错如下图

[ERROR] Failed to execute goal on project source-data: Could not resolve dependencies for project source-data:source-data:jar:1.0-SNAPSHOT: Failure to find com.hikvision.bigdata:app-framework-support-aksk-sdk:jar:1.2.1-SNAPSHOT in http://maven.XXXXX/repository/maven-public/ was cached in the local repository, resolution will not be reattempted until the update interval of citydo has elapsed or updates are forced -> [Help 1][ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.[ERROR] Re-run Maven using the -X switch to enable full debug logging.[ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles:[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException

解决方案是现在目录下打包

mvn install:install-file -DgroupId=com.hikvision.bigdata -DartifactId=app-framework-support-aksk-sdk -Dversion=1.2.1-SNAPSHOT -Dpackaging=jar -Dfile=/var/lib/jenkins/workspace/xyt_source_data/doc/lib/app-framework-support-aksk-sdk.jar

然后再去mvn install 生成target jar包

mvn clean install package