--- a/test/lib/jdk/test/lib/artifacts/ArtifactResolver.java	Mon Sep 24 20:45:06 2018 +0200
+++ b/test/lib/jdk/test/lib/artifacts/ArtifactResolver.java	Mon Sep 24 13:51:22 2018 -0700
@@ -23,7 +23,6 @@
 
 package jdk.test.lib.artifacts;
 
-import java.io.FileNotFoundException;
 import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.Map;
@@ -35,7 +34,7 @@
             String managerName = System.getProperty("jdk.test.lib.artifacts.artifactmanager");
             if (managerName != null) {
                 manager = (ArtifactManager) Class.forName(managerName).newInstance();
-            } else {
+            } else if (System.getenv().containsKey(JibArtifactManager.JIB_HOME_ENV_NAME)) {
                 manager = JibArtifactManager.newInstance();
             }
         } catch (Exception e) {