YARN-2519. Credential Provider related unit tests failed on Windows. Contributed by Xiaoyu Yao.

hadoop-yarn-project/CHANGES.txt

@@ -287,6 +287,9 @@ Release 2.6.0 - UNRELEASED
     YARN-2431. NM restart: cgroup is not removed for reacquired containers
     (jlowe)
 
+    YARN-2519. Credential Provider related unit tests failed on Windows.
+    (Xiaoyu Yao via cnauroth)
+
 Release 2.5.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/webapp/util/TestWebAppUtils.java

@@ -24,6 +24,7 @@ import static org.junit.Assert.assertEquals;
 import java.io.File;
 import java.io.IOException;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.http.HttpServer2;
 import org.apache.hadoop.http.HttpServer2.Builder;
 import org.apache.hadoop.security.alias.CredentialProvider;
@@ -74,8 +75,9 @@ public class TestWebAppUtils {
         "target/test-dir"));
 
     Configuration conf = new Configuration();
+    final Path jksPath = new Path(testDir.toString(), "test.jks");
     final String ourUrl =
-    JavaKeyStoreProvider.SCHEME_NAME + "://file/" + testDir + "/test.jks";
+    JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri();
 
     File file = new File(testDir, "test.jks");
     file.delete();