Build failed in Jenkins: ant-extensions-nightly #13

[Shibboleth Jenkins]

See <https://build.shibboleth.net/jenkins/job/ant-extensions-nightly/13/>

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Started by upstream project "java-parent-project-v3-nightly" build number 13
originally caused by:
 Started by upstream project "trigger-nightly-v3" build number 13
 originally caused by:
  Started by timer
Building in workspace <https://build.shibboleth.net/jenkins/job/ant-extensions-nightly/ws/>
Updating https://svn.shibboleth.net/utilities/ant-extensions/trunk at revision '2015-05-04T01:56:33.821 -0400'
At revision 788
no change for https://svn.shibboleth.net/utilities/ant-extensions/trunk since the previous build
[workspace] $ /opt/apache-maven-3.0.5/bin/mvn -Dmaven.repo.local=<https://build.shibboleth.net/jenkins/job/ant-extensions-nightly/ws/.repository> clean -Prelease,central-disabled -U deploy site
[INFO] Scanning for projects...
Downloading: https://build.shibboleth.net/nexus/content/repositories/snapshots/net/shibboleth/parent-v2/TRUNK-SNAPSHOT/maven-metadata.xml

[WARNING] Could not transfer metadata net.shibboleth:parent-v2:TRUNK-SNAPSHOT/maven-metadata.xml from/to shib-snapshot (https://build.shibboleth.net/nexus/content/repositories/snapshots): build.shibboleth.net: Name or service not known
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Ant Extensions 1.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[WARNING] The POM for org.apache.maven.plugins:maven-jar-plugin:jar:2.3.2 is missing, no dependency information available
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.601s
[INFO] Finished at: Mon May 04 01:56:35 EDT 2015
[INFO] Final Memory: 13M/478M
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-jar-plugin:2.3.2 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-jar-plugin:jar:2.3.2: Could not find artifact org.apache.maven.plugins:maven-jar-plugin:pom:2.3.2 -> [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/PluginResolutionException
Build step 'Invoke top-level Maven targets' marked build as failure
[CHECKSTYLE] Skipping publisher since build result is FAILURE
[htmlpublisher] Archiving HTML reports...
[htmlpublisher] Archiving at PROJECT level <https://build.shibboleth.net/jenkins/job/ant-extensions-nightly/ws/target/site> to /var/lib/jenkins/jobs/ant-extensions-nightly/htmlreports/Site_Report
ERROR: Specified HTML directory '<https://build.shibboleth.net/jenkins/job/ant-extensions-nightly/ws/target/site'> does not exist.
Publishing Javadoc
TestNG Reports Processing: START
Looking for TestNG results report in workspace using pattern: **/target/surefire-reports/testng-results.xml
Did not find any matching files.