待ち受け失敗時、他のポートだけでも起動する。

src/main/scala/DummyHttpServer.scala

@@ -22,19 +22,26 @@ object DummyHttpServer {
     }
 
     val basedirOps = Option(if (args.length > 0) args(0) else properties.getProperty("basedir"))
+    println("Base directory: " + basedirOps.get)
     val portsOps = Option(properties.getProperty("ports")).map(_.split(",").map(_.toInt)).getOrElse(DEFAULT_PORTS)
     for (basedir <- basedirOps; port <- portsOps) {
-      printf("Starting server. basedir: %s, port: %d\n", basedir, port)
-      startServer(basedir, port)
+      try {
+        startHttpServer(basedir, port)
+        printf("Starting HTTP server at port %d\n", port)
+      } catch {
+        case e: IOException =>
+          printf("Failed to start HTTP server at port %d: %s\n", port, e.getMessage)
+      }
     }
   }
 
   /**
     * サーバ起動
     *
+    * @param basedir ベースディレクトリ
     * @param port 待ち受けポート番号
     */
-  def startServer(basedir: String, port: Int) {
+  def startHttpServer(basedir: String, port: Int) {
     val server = HttpServer.create(new InetSocketAddress(port), 10)
     server.createContext("/", new DummyHttpServer.MyHandler(basedir))
     server.start()