--- a/jdk/src/share/classes/sun/tools/java/ClassPath.java	Wed Apr 11 17:12:35 2012 -0700
+++ b/jdk/src/share/classes/sun/tools/java/ClassPath.java	Thu Apr 12 15:04:39 2012 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2012, 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
@@ -141,7 +141,7 @@
         } else {
             StringBuilder sb = new StringBuilder(patharray[0]);
             for (int i = 1; i < patharray.length; i++) {
-                sb.append(File.separator);
+                sb.append(File.pathSeparatorChar);
                 sb.append(patharray[i]);
             }
             this.pathstr = sb.toString();

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/classpath/RMICClassPathTest.java	Thu Apr 12 15:04:39 2012 +0800
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2012 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.
+ */
+
+/*
+ * Portions Copyright (c) 2012 IBM Corporation
+ */
+
+/* @test
+ * @bug 6610897
+ * @summary New constructor in sun.tools.java.ClassPath builds a path using
+ *          File.separator instead of File.pathSeparator
+ * @run main RMICClassPathTest
+ */
+
+import java.io.File;
+
+import sun.rmi.rmic.BatchEnvironment;
+
+public class RMICClassPathTest {
+    public static void main(String[] args) throws Exception {
+        String sysPath = "/home/~user/jdk/jre/lib/rt.jar";
+        String extDir = "";
+        String clPath = "/home/~user/user.jar" + File.pathSeparator +
+            "/home/~user/user2.jar" + File.pathSeparator +
+            "/home/~user/user3.jar";
+
+        String cpStr = BatchEnvironment.createClassPath(clPath, sysPath, extDir).toString();
+
+        String[] paths = cpStr.split(File.pathSeparator);
+
+        if (paths.length != 4) {
+            throw new Exception("ClassPath length is not correct: the expected length is 4 and the actual length is " + paths.length);
+        }
+    }
+}