Established TCP socket on 32922
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Executing Maven: -B -f /var/lib/jenkins/jobs/CitizensAPI/workspace/pom.xml -amd -pl net.citizensnpcs:citizensapi clean install javadoc:javadoc
[INFO] Scanning for projects...
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[INFO] Building CitizensAPI 2.0.22-SNAPSHOT
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[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ citizensapi ---
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ citizensapi ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ citizensapi ---
[INFO] Compiling 238 source files to /var/lib/jenkins/jobs/CitizensAPI/workspace/target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java:[16,24] error: cannot access Function
[ERROR] class file for java.util.function.Function not found
/var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/util/DataKey.java:[140,93] error: cannot access Predicate
[ERROR] class file for java.util.function.Predicate not found
/var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/util/DataKey.java:[141,8] error: method does not override or implement a method from a supertype
[INFO] 3 errors
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Started calculate disk usage of build
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Started calculate disk usage of workspace
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[INFO] BUILD FAILURE
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[INFO] Total time: 45.517s
[INFO] Finished at: Fri Jun 02 10:12:34 GMT 2017
[INFO] Final Memory: 19M/80M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project citizensapi: Compilation failure: Compilation failure:
[ERROR] /var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java:[16,24] error: cannot access Function
[ERROR] class file for java.util.function.Function not found
[ERROR] /var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/util/DataKey.java:[140,93] error: cannot access Predicate
[ERROR] class file for java.util.function.Predicate not found
[ERROR] /var/lib/jenkins/jobs/CitizensAPI/workspace/src/main/java/net/citizensnpcs/api/util/DataKey.java:[141,8] error: method does not override or implement a method from a supertype
[ERROR] -> [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/MojoFailureException