-LOGS_SERVER="${LOGS_SERVER:-WARNING: Logging Server Not Set.}"
-NEXUS_URL="${NEXUS_URL:-$NEXUSPROXY}"
-NEXUS_PATH="${SILO}/${JENKINS_HOSTNAME}/${JOB_NAME}/${BUILD_NUMBER}"
-BUILD_URL="${BUILD_URL}"
+if [[ -z $LOGS_SERVER ]]; then
+ echo "WARNING: Logging server not set"
+else
+ nexus_url="${NEXUSPROXY:-$NEXUS_URL}"
+ nexus_path="${SILO}/${JENKINS_HOSTNAME}/${JOB_NAME}/${BUILD_NUMBER}"