Maven错误，PKIX路径构建失败：无法找到请求目标的有效证书路径

存在两个远程服务器。假设我们将它们命名为A和B。我的Java代码已提交，并且在GIT存储库中是最新的。我在服务器A和B上都拉了代码。当我在服务器A上使用mvn clean package install时，它可以正常工作并成功完成构建。但是，当我为服务器B使用mvn clean软件包安装时，它向我发出以下错误，提示构建失败。

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] oagi-srt ........................................... SUCCESS [  0.292 s]
[INFO] oagi-srt-common .................................... SUCCESS [  1.959 s]
[INFO] oagi-srt-repository ................................ SUCCESS [  2.357 s]
[INFO] oagi-srt-service ................................... SUCCESS [  2.064 s]
[INFO] oagi-srt-import .................................... SUCCESS [  3.064 s]
[INFO] oagi-srt-webapp .................................... FAILURE [ 21.398 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 31.539 s
[INFO] Finished at: 2017-08-10T11:50:10+00:00
[INFO] Final Memory: 44M/303M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project srt-webapp: Could not resolve dependencies for project org.oagi:srt-webapp:war:1.0.0: Failed to collect dependencies at org.joinfaces:jsf-spring-boot-starter:jar:2.2.7 -> org.primefaces.extensions:all-themes:jar:1.0.8 -> org.primefaces.themes:afterdark:jar:1.0.8: Failed to read artifact descriptor for org.primefaces.themes:afterdark:jar:1.0.8: Could not transfer artifact org.primefaces.themes:themes-project:pom:1.0.8 from/to prime-repo-new (http://repository.primefaces.org): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target -> [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
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :srt-webapp

注意：-如果我直接将项目war文件放入tomcat并重新启动服务器，则我的应用程序将按预期在两台服务器上正常运行。