--- /dev/null	Mon Nov 17 20:19:42 2014
+++ new/test/javax/xml/jaxp/unittest/javax/xml/validation/Bug4997818.java	Mon Nov 17 20:19:40 2014
@@ -0,0 +1,77 @@
+/*
+ * 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.
+ */
+
+package javax.xml.validation;
+
+import java.io.StringReader;
+
+import javax.xml.transform.Source;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.SchemaFactory;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSResourceResolver;
+
+/*
+ * @bug 4997818
+ * @summary Test SchemaFactory.newSchema(...) throws an exception, which is thrown from LSResourceResolver.
+ */
+ 
+public class Bug4997818 {
+
+    @Test
+    public void test1() throws Exception {
+        String xsd1 = "<?xml version='1.0'?>\n" + "<schema xmlns='http://www.w3.org/2001/XMLSchema'\n" + "        xmlns:test='jaxp13_test1'\n"
+                + "        targetNamespace='jaxp13_test1'\n" + "        elementFormDefault='qualified'>\n" + "    <import namespace='jaxp13_test2'/>\n"
+                + "    <element name='test'/>\n" + "    <element name='child1'/>\n" + "</schema>\n";
+
+        final NullPointerException EUREKA = new NullPointerException("NewSchema015");
+
+        SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
+        StringReader reader = new StringReader(xsd1);
+        StreamSource source = new StreamSource(reader);
+        LSResourceResolver resolver = new LSResourceResolver() {
+            public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
+                LSInput input;
+                if (namespaceURI != null && namespaceURI.endsWith("jaxp13_test2")) {
+                    throw EUREKA;
+                } else {
+                    input = null;
+                }
+
+                return input;
+            }
+        };
+        schemaFactory.setResourceResolver(resolver);
+
+        try {
+            schemaFactory.newSchema(new Source[] { source });
+            Assert.fail("NullPointerException was not thrown.");
+        } catch (RuntimeException e) {
+            if (e != EUREKA)
+                throw e;
+        }
+    }
+}