Established TCP socket on 45820
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Executing Maven:  -B -f /var/lib/jenkins/jobs/CitizensAPI/workspace/pom.xml clean install javadoc:javadoc
[INFO] Scanning for projects...
[HUDSON] Collecting dependencies info
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[INFO] Building CitizensAPI 2.0.25-SNAPSHOT
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Downloading: http://repo.bukkit.org/content/groups/public/org/bukkit/bukkit/1.14.1-R0.1-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata org.bukkit:bukkit:1.14.1-R0.1-SNAPSHOT/maven-metadata.xml from/to bukkit-repo (http://repo.bukkit.org/content/groups/public/): Error transferring file: repo.bukkit.org
Downloading: http://repo.bukkit.org/content/groups/public/org/bukkit/bukkit/1.14.1-R0.1-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata org.bukkit:bukkit:1.14.1-R0.1-SNAPSHOT/maven-metadata.xml from/to bukkit-repo (http://repo.bukkit.org/content/groups/public/): Error transferring file: repo.bukkit.org
Downloading: http://repo.bukkit.org/content/groups/public/org/bukkit/bukkit/1.14.1-R0.1-SNAPSHOT/bukkit-1.14.1-R0.1-SNAPSHOT.pom
[WARNING] Attempt to (de-)serialize anonymous class org.jfrog.hudson.maven2.MavenDependenciesRecorder$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/
Started calculate disk usage of build
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Started calculate disk usage of workspace
Finished Calculation of disk usage of workspace in 0 seconds
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[INFO] BUILD FAILURE
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[INFO] Total time: 1.248s
[INFO] Finished at: Tue May 14 08:57:14 UTC 2019
[INFO] Final Memory: 14M/106M
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Waiting for Jenkins to finish collecting data
[ERROR] Failed to execute goal on project citizensapi: Could not resolve dependencies for project net.citizensnpcs:citizensapi:jar:2.0.25-SNAPSHOT: Failed to collect dependencies for [org.bukkit:bukkit:jar:1.14.1-R0.1-SNAPSHOT (provided), org.powermock:powermock-module-junit4:jar:1.4.12 (test), org.powermock:powermock-api-mockito:jar:1.4.12 (test)]: Failed to read artifact descriptor for org.bukkit:bukkit:jar:1.14.1-R0.1-SNAPSHOT: Could not transfer artifact org.bukkit:bukkit:pom:1.14.1-R0.1-SNAPSHOT from/to bukkit-repo (http://repo.bukkit.org/content/groups/public/): Error transferring file: repo.bukkit.org: Unknown host repo.bukkit.org -> [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