--- /dev/null	2017-12-07 16:49:49.000000000 +0800
+++ new/test/jdk/sun/security/tools/keytool/RealType.java	2017-12-07 16:49:49.000000000 +0800
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017, 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 8192987
+ * @summary keytool should remember real storetype if it is not provided
+ * @library /test/lib
+ * @build jdk.test.lib.SecurityTools
+ *        jdk.test.lib.Utils
+ *        jdk.test.lib.JDKToolFinder
+ *        jdk.test.lib.JDKToolLauncher
+ *        jdk.test.lib.Platform
+ *        jdk.test.lib.process.*
+ * @run main/othervm RealType
+ */
+
+import jdk.test.lib.SecurityTools;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class RealType {
+
+    public static void main(String[] args) throws Throwable {
+
+        kt("-genkeypair -alias a -dname CN=A -keypass changeit -storetype jks")
+                .shouldHaveExitValue(0);
+
+        // -keypasswd command should be allowed on JKS
+        kt("-keypasswd -alias a -new t0ps3cr3t")
+                .shouldHaveExitValue(0);
+    }
+
+    static OutputAnalyzer kt(String arg) throws Exception {
+        return SecurityTools.keytool("-debug -keystore ks -storepass changeit " + arg);
+    }
+}