Build failed in Jenkins: java-metadata-aggregator-0.9-nightly #949

[Shibboleth Jenkins]

See <https://build.shibboleth.net/jenkins/job/java-metadata-aggregator-0.9-nightly/949/display/redirect>

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Started by upstream project "spring-extensions-v5-nightly" build number 1326
originally caused by:
 Started by upstream project "java-support-v7-nightly" build number 1327
 originally caused by:
  Started by upstream project "java-parent-project-v7-nightly" build number 1323
  originally caused by:
   Started by upstream project "trigger-nightly-v7" build number 1321
   originally caused by:
    Started by timer
Building on master in workspace <https://build.shibboleth.net/jenkins/job/java-metadata-aggregator-0.9-nightly/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url git://git.shibboleth.net/java-metadata-aggregator # timeout=10
Fetching upstream changes from git://git.shibboleth.net/java-metadata-aggregator
 > git --version # timeout=10
 > git fetch --tags --progress git://git.shibboleth.net/java-metadata-aggregator +refs/heads/*:refs/remotes/origin/*
 > git rev-parse refs/remotes/origin/maint-0.9^{commit} # timeout=10
 > git rev-parse refs/remotes/origin/origin/maint-0.9^{commit} # timeout=10
Checking out Revision e51ec7baaa50bf50fb5bed6d78b1f0030eadd2c8 (refs/remotes/origin/maint-0.9)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f e51ec7baaa50bf50fb5bed6d78b1f0030eadd2c8
Commit message: "JPAR-114 - migrate from xmlunit 1.6 to xmlunit 2.x"
 > git rev-list --no-walk e51ec7baaa50bf50fb5bed6d78b1f0030eadd2c8 # timeout=10
[workspace] $ /opt/maven/bin/mvn -f aggregator-parent/pom.xml clean -Prelease,central-disabled -U deploy
[INFO] Scanning for projects...
Downloading from shib-snapshot: https://build.shibboleth.net/nexus/content/repositories/snapshots/net/shibboleth/parent/7.11.0-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata net.shibboleth:parent:7.11.0-SNAPSHOT/maven-metadata.xml from/to shib-snapshot (https://build.shibboleth.net/nexus/content/repositories/snapshots): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
[WARNING] Failure to transfer net.shibboleth:parent:7.11.0-SNAPSHOT/maven-metadata.xml from https://build.shibboleth.net/nexus/content/repositories/snapshots was cached in the local repository, resolution will not be reattempted until the update interval of shib-snapshot has elapsed or updates are forced. Original error: Could not transfer metadata net.shibboleth:parent:7.11.0-SNAPSHOT/maven-metadata.xml from/to shib-snapshot (https://build.shibboleth.net/nexus/content/repositories/snapshots): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Downloading from shib-thirdparty-snapshot: https://build.shibboleth.net/nexus/content/repositories/thirdparty-snapshots/net/shibboleth/parent/7.11.0-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata net.shibboleth:parent:7.11.0-SNAPSHOT/maven-metadata.xml from/to shib-thirdparty-snapshot (https://build.shibboleth.net/nexus/content/repositories/thirdparty-snapshots): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] Shibboleth Metadata Aggregator                                     [pom]
[INFO] Shibboleth Metadata Aggregator :: Processing Pipeline              [jar]
[INFO] Shibboleth Metadata Aggregator :: Command Line Interface           [jar]
[INFO] 
[INFO] -------------< net.shibboleth.metadata:aggregator-parent >--------------
[INFO] Building Shibboleth Metadata Aggregator 0.9.3-SNAPSHOT             [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ aggregator-parent ---
[INFO] 
[INFO] --- maven-jar-plugin:3.0.2:test-jar (default) @ aggregator-parent ---
[INFO] Skipping packaging of the test-jar
[INFO] 
[INFO] --- maven-assembly-plugin:3.1.0:single (make-assembly) @ aggregator-parent ---
[INFO] 
[INFO] --- maven-javadoc-plugin:3.0.0:jar (attach-javadocs) @ aggregator-parent ---
[INFO] Not executing Javadoc as the project is not a Java classpath-capable package
[INFO] 
[INFO] --- maven-javadoc-plugin:3.0.0:test-jar (attach-javadocs) @ aggregator-parent ---
[INFO] Not executing Javadoc as the project is not a Java classpath-capable package
[INFO] 
[INFO] >>> maven-source-plugin:3.0.1:jar (attach-sources) > generate-sources @ aggregator-parent >>>
[INFO] 
[INFO] <<< maven-source-plugin:3.0.1:jar (attach-sources) < generate-sources @ aggregator-parent <<<
[INFO] 
[INFO] 
[INFO] --- maven-source-plugin:3.0.1:jar (attach-sources) @ aggregator-parent ---
[INFO] 
[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ aggregator-parent ---
[INFO] Installing <https://build.shibboleth.net/jenkins/job/java-metadata-aggregator-0.9-nightly/ws/aggregator-parent/pom.xml> to /home/jenkins/.m2/repository/net/shibboleth/metadata/aggregator-parent/0.9.3-SNAPSHOT/aggregator-parent-0.9.3-SNAPSHOT.pom
[INFO] 
[INFO] --- maven-deploy-plugin:2.8.2:deploy (default-deploy) @ aggregator-parent ---
Downloading from snapshot: https://build.shibboleth.net/nexus/content/repositories/snapshots/net/shibboleth/metadata/aggregator-parent/0.9.3-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata net.shibboleth.metadata:aggregator-parent:0.9.3-SNAPSHOT/maven-metadata.xml from/to snapshot (https://build.shibboleth.net/nexus/content/repositories/snapshots): sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for Shibboleth Metadata Aggregator 0.9.3-SNAPSHOT:
[INFO] 
[INFO] Shibboleth Metadata Aggregator ..................... FAILURE [  1.904 s]
[INFO] Shibboleth Metadata Aggregator :: Processing Pipeline SKIPPED
[INFO] Shibboleth Metadata Aggregator :: Command Line Interface SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  2.778 s
[INFO] Finished at: 2018-12-08T20:43:12-05:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.8.2:deploy (default-deploy) on project aggregator-parent: Failed to retrieve remote metadata net.shibboleth.metadata:aggregator-parent:0.9.3-SNAPSHOT/maven-metadata.xml: Could not transfer metadata net.shibboleth.metadata:aggregator-parent:0.9.3-SNAPSHOT/maven-metadata.xml from/to snapshot (https://build.shibboleth.net/nexus/content/repositories/snapshots): 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/MojoExecutionException
Build step 'Invoke top-level Maven targets' marked build as failure
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