diff --git a/jdk/src/share/classes/com/sun/jarsigner/ContentSignerParameters.java b/jdk/src/share/classes/com/sun/jarsigner/ContentSignerParameters.java
index 425f802ee7d..8c311a6747b 100644
--- a/jdk/src/share/classes/com/sun/jarsigner/ContentSignerParameters.java
+++ b/jdk/src/share/classes/com/sun/jarsigner/ContentSignerParameters.java
@@ -35,7 +35,7 @@ import java.util.zip.ZipFile;
  * @since 1.5
  * @author Vincent Ryan
  */
-
+@jdk.Exported
 public interface ContentSignerParameters {
 
     /**
@@ -64,7 +64,9 @@ public interface ContentSignerParameters {
      *
      * @return The TSAPolicyID. May be null.
      */
-    public String getTSAPolicyID();
+    public default String getTSAPolicyID() {
+        return null;
+    }
 
     /**
      * Retrieves the JAR file's signature.
diff --git a/jdk/test/com/sun/jarsigner/DefaultMethod.java b/jdk/test/com/sun/jarsigner/DefaultMethod.java
new file mode 100644
index 00000000000..fba92813c59
--- /dev/null
+++ b/jdk/test/com/sun/jarsigner/DefaultMethod.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8039358
+ * @summary com.sun.jarsigner.ContentSignerParameters.getTSAPolicyID() should be default
+ * @compile DefaultMethod.java
+ */
+
+import com.sun.jarsigner.ContentSignerParameters;
+
+import java.net.URI;
+import java.security.cert.X509Certificate;
+import java.util.zip.ZipFile;
+
+public class DefaultMethod implements ContentSignerParameters {
+
+    @Override
+    public String[] getCommandLine() {
+        return new String[0];
+    }
+
+    @Override
+    public URI getTimestampingAuthority() {
+        return null;
+    }
+
+    @Override
+    public X509Certificate getTimestampingAuthorityCertificate() {
+        return null;
+    }
+
+    @Override
+    public byte[] getSignature() {
+        return new byte[0];
+    }
+
+    @Override
+    public String getSignatureAlgorithm() {
+        return null;
+    }
+
+    @Override
+    public X509Certificate[] getSignerCertificateChain() {
+        return new X509Certificate[0];
+    }
+
+    @Override
+    public byte[] getContent() {
+        return new byte[0];
+    }
+
+    @Override
+    public ZipFile getSource() {
+        return null;
+    }
+}