$ java -jar 1.8.3.jar --rev 1.8.3
Loading BuildTools version: git-BuildTools-140d681-48 (#48)
BuildTools
unconfigured@null.spigotmc.org
Maven does not exist, downloading. Please wait.
Starting download of https://static.spigotmc.org/maven/apache-maven-3.2.5-bin.zip
Downloaded file: mvn.zip with md5: e617600b75dff1f69b67e92d55f47c6a
Extracted: .\apache-maven-3.2.5\README.txt
Extracted: .\apache-maven-3.2.5\LICENSE
Extracted: .\apache-maven-3.2.5\NOTICE
Extracted: .\apache-maven-3.2.5\lib\aether-api.license
Extracted: .\apache-maven-3.2.5\lib\aether-connector-basic.license
Extracted: .\apache-maven-3.2.5\lib\aether-impl.license
Extracted: .\apache-maven-3.2.5\lib\aether-spi.license
Extracted: .\apache-maven-3.2.5\lib\aether-transport-wagon.license
Extracted: .\apache-maven-3.2.5\lib\aether-util.license
Extracted: .\apache-maven-3.2.5\lib\cdi-api.license
Extracted: .\apache-maven-3.2.5\lib\jsoup.license
Extracted: .\apache-maven-3.2.5\lib\jsr250-api.license
Extracted: .\apache-maven-3.2.5\lib\maven-aether-provider.license
Extracted: .\apache-maven-3.2.5\lib\maven-artifact.license
Extracted: .\apache-maven-3.2.5\lib\maven-compat.license
Extracted: .\apache-maven-3.2.5\lib\maven-core.license
Extracted: .\apache-maven-3.2.5\lib\maven-embedder.license
Extracted: .\apache-maven-3.2.5\lib\maven-model-builder.license
Extracted: .\apache-maven-3.2.5\lib\maven-model.license
Extracted: .\apache-maven-3.2.5\lib\maven-plugin-api.license
Extracted: .\apache-maven-3.2.5\lib\maven-repository-metadata.license
Extracted: .\apache-maven-3.2.5\lib\maven-settings-builder.license
Extracted: .\apache-maven-3.2.5\lib\maven-settings.license
Extracted: .\apache-maven-3.2.5\lib\org.eclipse.sisu.inject.license
Extracted: .\apache-maven-3.2.5\lib\org.eclipse.sisu.plexus.license
Extracted: .\apache-maven-3.2.5\lib\plexus-cipher.license
Extracted: .\apache-maven-3.2.5\lib\plexus-sec-dispatcher.license
Extracted: .\apache-maven-3.2.5\lib\slf4j-api.license
Extracted: .\apache-maven-3.2.5\lib\slf4j-simple.license
Extracted: .\apache-maven-3.2.5\lib\wagon-file.license
Extracted: .\apache-maven-3.2.5\lib\wagon-http-shared.license
Extracted: .\apache-maven-3.2.5\lib\wagon-http.license
Extracted: .\apache-maven-3.2.5\lib\wagon-provider-api.license
Extracted: .\apache-maven-3.2.5\bin\m2.conf
Extracted: .\apache-maven-3.2.5\bin\mvn.bat
Extracted: .\apache-maven-3.2.5\bin\mvnDebug.bat
Extracted: .\apache-maven-3.2.5\bin\mvn
Extracted: .\apache-maven-3.2.5\bin\mvnDebug
Extracted: .\apache-maven-3.2.5\bin\mvnyjp
Extracted: .\apache-maven-3.2.5\conf\logging\simplelogger.properties
Extracted: .\apache-maven-3.2.5\conf\settings.xml
Extracted: .\apache-maven-3.2.5\lib\ext\README.txt
Extracted: .\apache-maven-3.2.5\boot\plexus-classworlds-2.5.2.jar
Extracted: .\apache-maven-3.2.5\lib\maven-embedder-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-settings-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\plexus-utils-3.0.20.jar
Extracted: .\apache-maven-3.2.5\lib\maven-core-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-model-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-settings-builder-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\plexus-interpolation-1.21.jar
Extracted: .\apache-maven-3.2.5\lib\plexus-component-annotations-1.5.5.jar
Extracted: .\apache-maven-3.2.5\lib\plexus-sec-dispatcher-1.3.jar
Extracted: .\apache-maven-3.2.5\lib\plexus-cipher-1.7.jar
Extracted: .\apache-maven-3.2.5\lib\maven-repository-metadata-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-artifact-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-plugin-api-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\org.eclipse.sisu.plexus-0.3.0.M1.jar
Extracted: .\apache-maven-3.2.5\lib\cdi-api-1.0.jar
Extracted: .\apache-maven-3.2.5\lib\jsr250-api-1.0.jar
Extracted: .\apache-maven-3.2.5\lib\javax.inject-1.jar
Extracted: .\apache-maven-3.2.5\lib\org.eclipse.sisu.inject-0.3.0.M1.jar
Extracted: .\apache-maven-3.2.5\lib\maven-model-builder-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\maven-aether-provider-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\aether-api-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\aether-spi-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\aether-util-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\aether-impl-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\sisu-guice-3.2.3-no_aop.jar
Extracted: .\apache-maven-3.2.5\lib\aopalliance-1.0.jar
Extracted: .\apache-maven-3.2.5\lib\guava-18.0.jar
Extracted: .\apache-maven-3.2.5\lib\maven-compat-3.2.5.jar
Extracted: .\apache-maven-3.2.5\lib\wagon-provider-api-2.8.jar
Extracted: .\apache-maven-3.2.5\lib\slf4j-api-1.7.5.jar
Extracted: .\apache-maven-3.2.5\lib\commons-cli-1.2.jar
Extracted: .\apache-maven-3.2.5\lib\wagon-http-2.8-shaded.jar
Extracted: .\apache-maven-3.2.5\lib\wagon-http-shared-2.8.jar
Extracted: .\apache-maven-3.2.5\lib\jsoup-1.7.2.jar
Extracted: .\apache-maven-3.2.5\lib\commons-lang-2.6.jar
Extracted: .\apache-maven-3.2.5\lib\commons-io-2.2.jar
Extracted: .\apache-maven-3.2.5\lib\wagon-file-2.8.jar
Extracted: .\apache-maven-3.2.5\lib\aether-connector-basic-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\aether-transport-wagon-1.0.0.v20140518.jar
Extracted: .\apache-maven-3.2.5\lib\slf4j-simple-1.7.5.jar
Attempting to build version: '1.8.3' use --rev <version> to override
Found version
{
        "name": "422",
        "description": "Jenkins build 422",
        "refs": {
                "BuildData": "264466a4bebb5aa2b41b66c5009b098a8f2e90dc",
                "Bukkit": "8d91199e35c782e94c4dd41fdc8140f84e048ef1",
                "CraftBukkit": "0a645a2726f031cc2d2c2a801574021283cf50ee",
                "Spigot": "870264a3f84d88d6d50e9e71849a50ebac0d9ddd"
        }
}

Pulling updates for K:\Server\BuildData\.git
Exception in thread "main" org.eclipse.jgit.api.errors.JGitInternalException: Exception caught during execution of reset command. {0}
        at org.eclipse.jgit.api.ResetCommand.call(ResetCommand.java:230)
        at org.spigotmc.builder.Builder.pull(Builder.java:508)
        at org.spigotmc.builder.Builder.main(Builder.java:249)
Caused by: java.io.IOException: Not a ref: refs/heads/master:
        at org.eclipse.jgit.internal.storage.file.RefDirectory.scanRef(RefDirectory.java:949)
        at org.eclipse.jgit.internal.storage.file.RefDirectory.readRef(RefDirectory.java:872)
        at org.eclipse.jgit.internal.storage.file.RefDirectory.resolve(RefDirectory.java:726)
        at org.eclipse.jgit.internal.storage.file.RefDirectory.newUpdate(RefDirectory.java:515)
        at org.eclipse.jgit.internal.storage.file.RefDirectory.newUpdate(RefDirectory.java:117)
        at org.eclipse.jgit.lib.Repository.updateRef(Repository.java:311)
        at org.eclipse.jgit.lib.Repository.updateRef(Repository.java:293)
        at org.eclipse.jgit.api.ResetCommand.call(ResetCommand.java:180)
        ... 2 more
Caused by: org.eclipse.jgit.errors.InvalidObjectIdException: Invalid id :
        at org.eclipse.jgit.lib.ObjectId.fromHexString(ObjectId.java:245)
        at org.eclipse.jgit.lib.ObjectId.fromString(ObjectId.java:220)
        at org.eclipse.jgit.internal.storage.file.RefDirectory.scanRef(RefDirectory.java:937)
        ... 9 more