diff --git a/src/osm/jp/postgis/UnMapped.java b/src/osm/jp/postgis/UnMapped.java
index 956d46e..3f5a796 100644
--- a/src/osm/jp/postgis/UnMapped.java
+++ b/src/osm/jp/postgis/UnMapped.java
@@ -3,11 +3,10 @@
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
-import java.io.OutputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.PipedReader;
 import java.io.PipedWriter;
-import java.nio.file.Files;
-import java.nio.file.Paths;
 import org.apache.commons.compress.archivers.ArchiveEntry;
 import org.apache.commons.compress.archivers.ArchiveOutputStream;
 import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
@@ -18,9 +17,14 @@
     String dbname;
     
     @SuppressWarnings({"UseSpecificCatch", "CallToPrintStackTrace"})
-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException {
         String dbname = "busstop";
-        (new UnMapped(dbname)).createKml(35.4341254D,139.408969D, 3.0D);
+        ByteArrayOutputStream outKmz = (new UnMapped(dbname)).createKmz(35.4341254D,139.408969D, 3.0D);
+        try (ByteArrayInputStream in = new ByteArrayInputStream(outKmz.toByteArray())) {
+            File kmzFile = new File("kmz.kmz");
+            FileOutputStream o = new FileOutputStream(kmzFile);
+            IOUtils.copy(in, o);
+        }
     }
     
     public UnMapped(String dbname) {
@@ -28,15 +32,15 @@
     }
     
     @SuppressWarnings({"CallToPrintStackTrace", "UseSpecificCatch"})
-    public void createKml(double lat, double lon, double km) {
+    public ByteArrayOutputStream createKmz(double lat, double lon, double km) {
         try {
             final PipedReader read = new PipedReader();
             final PipedWriter write = new PipedWriter(read);
-            final ByteArrayOutputStream out = new ByteArrayOutputStream();
+            final ByteArrayOutputStream outKml = new ByteArrayOutputStream();
             String title = "'"+ dbname +"' - UnMapped OpenSteetMap";
             
             Thread kml = new Thread(new Kml(write, dbname, title, lat,lon, km));
-            Thread converter = new Thread(new PipeConverter(read, out));
+            Thread converter = new Thread(new PipeConverter(read, outKml));
             
             kml.start();
             converter.start();
@@ -48,27 +52,29 @@
                 ex.printStackTrace();
             }
             
-            File kmzFile = new File(dbname +".kmz");
+            //File kmzFile = new File(dbname +".kmz");
+            //OutputStream outKmz = Files.newOutputStream(Paths.get(dbname +".kmz"));
+            final ByteArrayOutputStream outKmz = new ByteArrayOutputStream();
             File kmlFile = new File(dbname +".kml");
             try {
-                try (OutputStream outKmz = Files.newOutputStream(Paths.get(kmzFile.getName()));
-                    ArchiveOutputStream o = new ZipArchiveOutputStream(outKmz))
-                {
+                try (ArchiveOutputStream o = new ZipArchiveOutputStream(outKmz)) {
                     ArchiveEntry entry = o.createArchiveEntry(kmlFile, kmlFile.getName());
                     o.putArchiveEntry(entry);
-                    try (ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray())) {
+                    try (ByteArrayInputStream in = new ByteArrayInputStream(outKml.toByteArray())) {
                         IOUtils.copy(in, o);
                     }
                     o.closeArchiveEntry();
                 }
             }
             finally {
-                out.flush();
-                out.close();
+                outKml.flush();
+                outKml.close();
             }
+            return outKmz;
         }
         catch(Exception e) {
             e.printStackTrace();
+            return null;
         }
     }
 }
diff --git a/test/busstop.kmz b/test/busstop.kmz
deleted file mode 100644
index 30e8330..0000000
--- a/test/busstop.kmz
+++ /dev/null
Binary files differ
diff --git a/test/osm/jp/postgis/UnMappedTest.java b/test/osm/jp/postgis/UnMappedTest.java
index 98090de..da4bf8b 100644
--- a/test/osm/jp/postgis/UnMappedTest.java
+++ b/test/osm/jp/postgis/UnMappedTest.java
@@ -100,7 +100,7 @@
     void check(String dbname) {
         File kmz = null;
         try {
-            (new UnMapped(dbname)).createKml(35.4341254D,139.408969D, 5.0D);
+            (new UnMapped(dbname)).createKmz(35.4341254D,139.408969D, 5.0D);
         }
         catch(Exception e) {
             fail(e.toString());