--- /dev/null	2016-10-24 21:40:28.000000000 +0300
+++ new/test/javax/sound/midi/File/WriteRealTimeMessageNPE.java	2016-10-24 21:40:28.000000000 +0300
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2004, 2016, 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.
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+
+import javax.sound.midi.MidiEvent;
+import javax.sound.midi.MidiSystem;
+import javax.sound.midi.Sequence;
+import javax.sound.midi.ShortMessage;
+import javax.sound.midi.Track;
+
+/**
+ * @test
+ * @bug 5048381
+ * @summary NPE when writing a sequence with a realtime MIDI message
+ */
+public class WriteRealTimeMessageNPE {
+
+    public static void main(String args[]) throws Exception {
+        System.out.println("5048381: NullPointerException when saving a MIDI sequence");
+        boolean npeThrown = false;
+        boolean noEx = false;
+
+        Sequence seq = new Sequence(Sequence.PPQ, 384, 1);
+        Track t = seq.getTracks()[0];
+        ShortMessage msg = new ShortMessage();
+        msg.setMessage(0xF8, 0, 0);
+        t.add(new MidiEvent(msg, 0));
+
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        try {
+            MidiSystem.write(seq, 0, out);
+            noEx = true;
+        } catch (NullPointerException npe) {
+            npeThrown = true;
+            System.out.println("## Failed: Threw unexpected NPE: "+npe);
+            throw new Exception("Test FAILED!");
+        } catch (Exception e) {
+            System.out.println("Threw unexpected Exception: "+e);
+            System.out.println("But at least did not throw NPE...");
+        }
+        if (noEx) {
+            InputStream is = new ByteArrayInputStream(out.toByteArray());
+            seq = MidiSystem.getSequence(is);
+            System.out.println("Sequence has "+seq.getTracks().length+" tracks.");
+            if (seq.getTracks().length > 0) {
+                System.out.println("Track 0 has "+seq.getTracks()[0].size()+" events.");
+            }
+        }
+        System.out.println("Test passed.");
+    }
+}