问mvn : PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException

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[INFO] Scanning for projects...
[INFO]
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[INFO] Building myproject 1.0.0-SNAPSHOT
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Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven
-source-plugin/2.2/maven-source-plugin-2.2.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
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[INFO] Total time: 2.290 s
[INFO] Finished at: 2017-01-02T16:16:12+05:30
[INFO] Final Memory: 10M/155M
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-source-plugin:2.2 or one of its de
pendencies could not be resolved: Failed to read artifact descriptor for org.apa
che.maven.plugins:maven-source-plugin:jar:2.2: Could not transfer artifact org.a
pache.maven.plugins:maven-source-plugin:pom:2.2 from/to central (https://repo.ma
ven.apache.org/maven2): sun.security.validator.ValidatorException: PKIX path bui
lding 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 swit
ch.
[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