Established TCP socket on 56790 <===[JENKINS REMOTING CAPACITY]===>channel started Executing Maven: -B -f /var/lib/jenkins/jobs/Sentinel/workspace/pom.xml clean install [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Sentinel 0.8 [INFO] ------------------------------------------------------------------------ Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/org/bukkit/bukkit/1.10-R0.1-SNAPSHOT/maven-metadata.xml Downloading: http://repo.citizensnpcs.co/org/bukkit/bukkit/1.10-R0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata org.bukkit:bukkit:1.10-R0.1-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases/): Error transferring file: nexus.theyeticave.net Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/org/bukkit/bukkit/1.10-R0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata org.bukkit:bukkit:1.10-R0.1-SNAPSHOT/maven-metadata.xml from/to vault-repo (http://nexus.theyeticave.net/content/repositories/pub_releases/): Error transferring file: nexus.theyeticave.net Downloading: http://repo.citizensnpcs.co/org/spigotmc/spigot/1.10-R0.1-SNAPSHOT/maven-metadata.xml Downloading: http://repo.citizensnpcs.co/org/spigotmc/spigot-parent/dev-SNAPSHOT/maven-metadata.xml Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens/2.0.20-SNAPSHOT/maven-metadata.xml Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens/2.0.20-SNAPSHOT/maven-metadata.xml (844 B at 0.7 KB/sec) Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-parent/2.0.20-SNAPSHOT/maven-metadata.xml Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-parent/2.0.20-SNAPSHOT/maven-metadata.xml (456 B at 0.4 KB/sec) Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-parent/2.0.20-SNAPSHOT/citizens-parent-2.0.20-20161002.133244-1420.pom Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-parent/2.0.20-SNAPSHOT/citizens-parent-2.0.20-20161002.133244-1420.pom (0 B at 0.0 KB/sec) Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/maven-metadata.xml Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/maven-metadata.xml (631 B at 0.5 KB/sec) Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/citizens-main-2.0.20-20161002.133244-1420.pom Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/citizens-main-2.0.20-20161002.133244-1420.pom Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/citizens-main-2.0.20-20161002.133244-1420.pom (0 B at 0.0 KB/sec) Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/maven-metadata.xml Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/maven-metadata.xml (635 B at 0.5 KB/sec) Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/citizens-v1_10_R1-2.0.20-20161002.133244-1420.pom Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/citizens-v1_10_R1-2.0.20-20161002.133244-1420.pom Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/citizens-v1_10_R1-2.0.20-20161002.133244-1420.pom (0 B at 0.0 KB/sec) Downloading: http://repo.citizensnpcs.co/org/bukkit/bukkit/1.8-R0.1-SNAPSHOT/maven-metadata.xml Downloading: http://repo.bukkit.org/content/groups/public/org/bukkit/bukkit/1.8-R0.1-SNAPSHOT/maven-metadata.xml Downloading: http://nexus.theyeticave.net/content/repositories/pub_releases/org/bukkit/bukkit/1.8-R0.1-SNAPSHOT/maven-metadata.xml Downloading: http://ci.krincraft.net/plugin/repository/everything/org/bukkit/bukkit/1.8-R0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata org.bukkit:bukkit:1.8-R0.1-SNAPSHOT/maven-metadata.xml from/to pub-repo (http://nexus.theyeticave.net/content/repositories/pub_releases/): Error transferring file: nexus.theyeticave.net [WARNING] Could not transfer metadata org.bukkit:bukkit:1.8-R0.1-SNAPSHOT/maven-metadata.xml from/to bukkit-repo (http://repo.bukkit.org/content/groups/public/): Error transferring file: Server returned HTTP response code: 521 for URL: http://repo.bukkit.org/content/groups/public/org/bukkit/bukkit/1.8-R0.1-SNAPSHOT/maven-metadata.xml [WARNING] Could not transfer metadata org.bukkit:bukkit:1.8-R0.1-SNAPSHOT/maven-metadata.xml from/to krinsoft (http://ci.krincraft.net/plugin/repository/everything/): Error transferring file: ci.krincraft.net [WARNING] The POM for net.aufdemrand:sentry:jar:1.9.0 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/citizens-main-2.0.20-20161002.133244-1420.jar Downloading: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/citizens-v1_10_R1-2.0.20-20161002.133244-1420.jar Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-main/2.0.20-SNAPSHOT/citizens-main-2.0.20-20161002.133244-1420.jar (0 B at 0.0 KB/sec) Downloaded: http://repo.citizensnpcs.co/net/citizensnpcs/citizens-v1_10_R1/2.0.20-SNAPSHOT/citizens-v1_10_R1-2.0.20-20161002.133244-1420.jar (0 B at 0.0 KB/sec) [INFO] [INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ sentinel --- [INFO] Deleting /var/lib/jenkins/jobs/Sentinel/workspace/target [INFO] [INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ sentinel --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 2 resources [INFO] [INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ sentinel --- [INFO] Compiling 7 source files to /var/lib/jenkins/jobs/Sentinel/workspace/target/classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] Unable to locate the Javac Compiler in: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-1.b14.el7_2.x86_64/jre/../lib/tools.jar Please ensure you are using JDK 1.4 or above and not a JRE (the com.sun.tools.javac.Main class is required). In most cases you can change the location of your Java installation by setting the JAVA_HOME environment variable. [INFO] 1 error [INFO] ------------------------------------------------------------- Started calculate disk usage of build Finished Calculation of disk usage of build in 0 seconds Started calculate disk usage of workspace Finished Calculation of disk usage of workspace in 0 seconds [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 12.591s [INFO] Finished at: Fri Oct 07 02:26:35 GMT 2016 [INFO] Final Memory: 12M/85M [INFO] ------------------------------------------------------------------------ Waiting for Jenkins to finish collecting data [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project sentinel: Compilation failure [ERROR] Unable to locate the Javac Compiler in: [ERROR] /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-1.b14.el7_2.x86_64/jre/../lib/tools.jar [ERROR] Please ensure you are using JDK 1.4 or above and [ERROR] not a JRE (the com.sun.tools.javac.Main class is required). [ERROR] In most cases you can change the location of your Java [ERROR] installation by setting the JAVA_HOME environment variable. [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