我是 atlassian-plugin-sdk 的新手，在运行命令 atlas-run-standalone --product jira 时，出现以下错误
C:\Users\aaaaa>atlas-run-standalone --product jira
Executing: "D:\atlassian-plugin-sdk\apache-maven-3.2.1\bin\mvn.bat" com.atlassia
n.maven.plugins:maven-amps-plugin:5.0.13:run-standalone -gs D:\atlassian-plugin-
sdk\apache-maven-3.2.1/conf/settings.xml -Dproduct=jira
[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethrea
ded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-amps-plugin:5.0.13:run-standalone (default-cli) @ standalone-pom ---
Downloading: https://maven.atlassian.com/repository/public/com/atlassian/plugins
/rest/atlassian-rest-common/2.9.2-m01/atlassian-rest-common-2.9.2-m01.pom
Downloading: https://maven.atlassian.com/repository/public/com/sun/jersey/contri
bs/wadl-resourcedoc-doclet/1.8-atlassian-8/wadl-resourcedoc-doclet-1.8-atlassian
-8.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.018 s
[INFO] Finished at: 2015-02-20T10:27:34+05:30
[INFO] Final Memory: 9M/23M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.atlassian.maven.plugins:maven-amps-plugin:5.0.13:run-standalone (default-cli) on project standalone-pom:
Execution default-cli of goal com.atlassian.maven.plugins:maven-amps-plugin:5.0.13:run-standalone failed: Plugin com.atlassian.maven.plugins:maven-amps-plugin:5.0.13
or one of itsdependencies could not be resolved: Failed to collect dependencies at com.atlassian.maven.plugins:maven-amps-plugin:jar:5.0.13 ->
com.atlassian.plugins.rest:atlassian-rest-doclet:jar:2.9.2 -> com.atlassian.jersey:atlassian-jersey-restdoc:jar:1.0.3 ->
com.atlassian.plugins.rest:atlassian-rest-common:jar:2.9.2-m01: Failed to read artifact descriptor for com.atlassian.plugins.rest:atlassian-rest-common:jar:2.9.2-m01:
Could not transfer artifact com.atlassian.plugins.rest:atlassian-rest-common:pom:2.9.2-m01 from/to atlassian-public (https://maven.atlassian.com/repository/public):
sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unableto 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 rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginResoluti
onException
C:\Users\aaaa>atlas-version
ATLAS Version: 5.0.13
ATLAS Home: D:\atlassian-plugin-sdk
ATLAS Scripts: D:\atlassian-plugin-sdk\bin
ATLAS Maven Home: D:\atlassian-plugin-sdk\apache-maven-3.2.1
--------
Executing: "D:\atlassian-plugin-sdk\apache-maven-3.2.1\bin\mvn.bat" --version -g
s D:\atlassian-plugin-sdk\apache-maven-3.2.1/conf/settings.xml
Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T23:07:5
2+05:30)
Maven home: D:\atlassian-plugin-sdk\apache-maven-3.2.1
Java version: 1.7.0_65, vendor: Oracle Corporation
Java home: C:\Program Files\Java\jdk1.7.0_65\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "x86", family: "windows"
请帮我解决这个问题注意：我已经在 maven 的 setting.xml 中更改了我的代理设置，但它没有用，我一次又一次地遇到同样的错误