[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for de.vfire:Survival:jar:0.0.1
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ line 9, column 21
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Survival 0.0.1
[INFO] ------------------------------------------------------------------------
[INFO] Downloading: https://repo.sven-stromann.de/repository/minecraft/com/sk89q/worldguard/WorldGuard/7.0.0/WorldGuard-7.0.0.pom
[INFO] Downloading: https://repo.sven-stromann.de/repository/minecraft/org/bukkit/bukkit/1.9-R0.1-SNAPSHOT/maven-metadata.xml
[WARNING] Could not transfer metadata org.bukkit:bukkit:1.9-R0.1-SNAPSHOT/maven-metadata.xml from/to vfire-repo (https://repo.sven-stromann.de/repository/minecraft): Failed to transfer https://repo.sven-stromann.de/repository/minecraft/org/bukkit/bukkit/1.9-R0.1-SNAPSHOT/maven-metadata.xml. Error code 400, Repository version policy: RELEASE does not allow metadata in path: org/bukkit/bukkit/1.9-R0.1-SNAPSHOT/maven-metadata.xml
[WARNING] Failure to transfer org.bukkit:bukkit:1.9-R0.1-SNAPSHOT/maven-metadata.xml from https://repo.sven-stromann.de/repository/minecraft was cached in the local repository, resolution will not be reattempted until the update interval of vfire-repo has elapsed or updates are forced. Original error: Could not transfer metadata org.bukkit:bukkit:1.9-R0.1-SNAPSHOT/maven-metadata.xml from/to vfire-repo (https://repo.sven-stromann.de/repository/minecraft): Failed to transfer https://repo.sven-stromann.de/repository/minecraft/org/bukkit/bukkit/1.9-R0.1-SNAPSHOT/maven-metadata.xml. Error code 400, Repository version policy: RELEASE does not allow metadata in path: org/bukkit/bukkit/1.9-R0.1-SNAPSHOT/maven-metadata.xml
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[INFO] BUILD FAILURE
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[INFO] Total time: 2.850 s
[INFO] Finished at: 2019-01-16T20:26:41+01:00
[INFO] Final Memory: 12M/121M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project Survival: Could not resolve dependencies for project de.vfire:Survival:jar:0.0.1: Failed to collect dependencies at com.sk89q.worldguard:WorldGuard:jar:7.0.0: Failed to read artifact descriptor for com.sk89q.worldguard:WorldGuard:jar:7.0.0: Could not transfer artifact com.sk89q.worldguard:WorldGuard:pom:7.0.0 from/to vfire-repo (https://repo.sven-stromann.de/repository/minecraft): Failed to transfer https://repo.sven-stromann.de/repository/minecraft/com/sk89q/worldguard/WorldGuard/7.0.0/WorldGuard-7.0.0.pom. Error code 500, javax.servlet.ServletException: com.orientechnologies.orient.core.exception.OLowDiskSpaceException: Error occurred while executing a write operation to database 'component' due to limited free space on the disk (3339 MB). The database is now working in read-only mode. Please close the database (or stop OrientDB), make room on your hard drive and then reopen the database. The minimal required space is 4096 MB. Required space is now set to 4096MB (you can change it by setting parameter storage.diskCache.diskFreeSpaceLimit) .??	DB name="component" -> [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