--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/commandline/commandline.java	Thu Feb 18 14:08:01 2016 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/commandline/commandline.java	Sun Feb 21 18:28:01 2016 +0900
@@ -31,24 +31,29 @@
 public class commandline {
     Jungle jungle = new DefaultJungle(null, "hoge", new DefaultTreeEditor(new DefaultTraverser()));
 
-    public void start() throws IOException {
+    public void start() throws IOException, InterruptedException {
         System.out.println("jungle 対話モード");
         while (true) {
-            System.out.println("入力受付中");
+            try {
+                System.out.println("入力受付中");
 
-            InputStreamReader isr = new InputStreamReader(System.in);
-            BufferedReader br = new BufferedReader(isr);
-            String str = br.readLine();
-            switch (str) {
-                case "exit":
-                    System.out.println("see you");
-                    System.exit(0);
-                    break;
-                case "trees":
-                    showTrees();
-                default:
-                    parse(str);
+                InputStreamReader isr = new InputStreamReader(System.in);
+                BufferedReader br = new BufferedReader(isr);
+                String str = br.readLine();
+                switch (str) {
+                    case "exit":
+                        System.out.println("see you");
+                        System.exit(0);
+                        break;
+                    case "trees":
+                        showTrees();
+                    default:
+                        parse(str);
 
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+                System.out.println("不正な入力です");
             }
         }
     }
@@ -348,6 +353,7 @@
                     public boolean hasNext() {
                         return count < keys.length;
                     }
+
                     @Override
                     public String next() {
                         String tmp = keys[count];
@@ -367,11 +373,4 @@
 
 
     }
-
-//    private void where(Iterator<String> iterator,LinkedList<String> keys ,LinkedList<String> treeNames) {
-//     LinkedList<String> conditions = new LinkedList<>();
-//        while (iterator.hasNext()) {
-//            String str = iterator.next();
-//        }
-
 }

--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/commandline/main.java	Thu Feb 18 14:08:01 2016 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/commandline/main.java	Sun Feb 21 18:28:01 2016 +0900
@@ -3,7 +3,7 @@
 import java.io.IOException;
 
 public class main {
-    public static void main(String args[]) throws IOException {
+    public static void main(String args[]) throws IOException, InterruptedException {
         commandline cmd = new commandline();
         cmd.start();
     }

--- a/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/xml/reader/ReadXmlHandler.java	Thu Feb 18 14:08:01 2016 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/xml/reader/ReadXmlHandler.java	Sun Feb 21 18:28:01 2016 +0900
@@ -34,18 +34,18 @@
 
         Either<Error, JungleTreeEditor> either = editor.addNewChildAt(path, num);
         if (either.isA()) {
-            // error
+            System.out.println("error");
         }
         this.editor = either.b();
 
         path = path.add(num);
 
-        if (qName != "") {
+        if (!qName.equals("")) {
             elementName = qName;
             Either<Error, JungleTreeEditor> newEither = editor.putAttribute(path, "element",
                     ByteBuffer.wrap(qName.getBytes()));
             if (newEither.isA()) {
-                // error
+                System.out.println("error");
             }
             this.editor = newEither.b();
         }
@@ -57,7 +57,7 @@
                 ByteBuffer bValue = ByteBuffer.wrap(value.getBytes());
                 Either<Error, JungleTreeEditor> newEither = editor.putAttribute(path, key, bValue);
                 if (newEither.isA()) {
-                    // error
+                    System.out.println("error");
                 }
                 this.editor = newEither.b();
             }
@@ -81,7 +81,7 @@
                 Either<Error, JungleTreeEditor> newEither = editor.putAttribute(onePath,elementName,
                         ByteBuffer.wrap(splitStr.getBytes()));
                 if (newEither.isA()) {
-                    // error
+                    System.out.println("error");
                 }
                 this.editor = newEither.b();
 
@@ -100,7 +100,7 @@
     public void endDocument() {
         Either<Error, JungleTreeEditor> either = editor.success();
         if (either.isA()) {
-            // error
+            System.out.println("error");
         }
     }