--- a/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java	Tue Jan 14 08:09:04 2014 -0800
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeJavaImporter.java	Wed Jan 15 10:24:42 2014 -0800
@@ -133,6 +133,11 @@
         return createAndSetProperty(desc) ? super.lookup(desc, request) : super.noSuchMethod(desc, request);
     }
 
+    @Override
+    protected Object invokeNoSuchProperty(final String name) {
+        return createProperty(name);
+    }
+
     private boolean createAndSetProperty(final CallSiteDescriptor desc) {
         final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
         final Object value = createProperty(name);

--- a/nashorn/src/jdk/nashorn/internal/runtime/NativeJavaPackage.java	Tue Jan 14 08:09:04 2014 -0800
+++ b/nashorn/src/jdk/nashorn/internal/runtime/NativeJavaPackage.java	Wed Jan 15 10:24:42 2014 -0800
@@ -196,24 +196,13 @@
     @Override
     public GuardedInvocation noSuchProperty(final CallSiteDescriptor desc, final LinkRequest request) {
         final String propertyName = desc.getNameToken(2);
-        final String fullName     = name.isEmpty() ? propertyName : name + "." + propertyName;
-
-        final Context context = Context.getContextTrusted();
+        createProperty(propertyName);
+        return super.lookup(desc, request);
+    }
 
-        Class<?> javaClass = null;
-        try {
-            javaClass = context.findClass(fullName);
-        } catch (final NoClassDefFoundError | ClassNotFoundException e) {
-            //ignored
-        }
-
-        if (javaClass == null) {
-            set(propertyName, new NativeJavaPackage(fullName, getProto()), false);
-        } else {
-            set(propertyName, StaticClass.forClass(javaClass), false);
-        }
-
-        return super.lookup(desc, request);
+    @Override
+    protected Object invokeNoSuchProperty(final String name) {
+        return createProperty(name);
     }
 
     @Override
@@ -224,4 +213,26 @@
     private static MethodHandle findOwnMH(final String name, final Class<?> rtype, final Class<?>... types) {
         return MH.findStatic(MethodHandles.lookup(), NativeJavaPackage.class, name, MH.type(rtype, types));
     }
+
+    private Object createProperty(final String propertyName) {
+        final String fullName     = name.isEmpty() ? propertyName : name + "." + propertyName;
+        final Context context = Context.getContextTrusted();
+
+        Class<?> javaClass = null;
+        try {
+            javaClass = context.findClass(fullName);
+        } catch (final NoClassDefFoundError | ClassNotFoundException e) {
+            //ignored
+        }
+
+        final Object propertyValue;
+        if (javaClass == null) {
+            propertyValue = new NativeJavaPackage(fullName, getProto());
+        } else {
+            propertyValue = StaticClass.forClass(javaClass);
+        }
+
+        set(propertyName, propertyValue, false);
+        return propertyValue;
+    }
 }

--- a/nashorn/src/jdk/nashorn/internal/runtime/ScriptObject.java	Tue Jan 14 08:09:04 2014 -0800
+++ b/nashorn/src/jdk/nashorn/internal/runtime/ScriptObject.java	Wed Jan 15 10:24:42 2014 -0800
@@ -2093,12 +2093,13 @@
 
         return createEmptyGetter(desc, name);
     }
+
     /**
      * Invoke fall back if a property is not found.
      * @param name Name of property.
      * @return Result from call.
      */
-    private Object invokeNoSuchProperty(final String name) {
+    protected Object invokeNoSuchProperty(final String name) {
         final FindProperty find = findProperty(NO_SUCH_PROPERTY_NAME, true);
 
         if (find != null) {

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8031715.js	Wed Jan 15 10:24:42 2014 -0800
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+/**
+ * JDK-8031715: Indexed access to java package not working
+ * @test
+ * @run
+ */
+
+print(java["net"]);
+print(java["net"]["URL"]);
+print(java["net"].URL);
+print(java.net["URL"]);
+
+var is = "InputStream";
+var io = "io";
+
+print(java.io[is]);
+print(java[io]);
+print(java[io][is]);
+
+var ji = new JavaImporter(java.util, java.io);
+print(ji["InputStream"]);
+print(ji['Vector']);
+
+var hash = "Hashtable";
+var printStream = "PrintStream";
+print(ji[hash]);
+print(ji[printStream]);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8031715.js.EXPECTED	Wed Jan 15 10:24:42 2014 -0800
@@ -0,0 +1,11 @@
+[JavaPackage java.net]
+[JavaClass java.net.URL]
+[JavaClass java.net.URL]
+[JavaClass java.net.URL]
+[JavaClass java.io.InputStream]
+[JavaPackage java.io]
+[JavaClass java.io.InputStream]
+[JavaClass java.io.InputStream]
+[JavaClass java.util.Vector]
+[JavaClass java.util.Hashtable]
+[JavaClass java.io.PrintStream]