diff --git a/src/main/java/org/codelibs/fess/filter/DIFilter.java b/src/main/java/org/codelibs/fess/filter/DIFilter.java
new file mode 100644
index 000000000..8a67f81f2
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/filter/DIFilter.java
@@ -0,0 +1,31 @@
+package org.codelibs.fess.filter;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.Deque;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.lastaflute.web.LastaFilter;
+import org.lastaflute.web.servlet.filter.listener.FilterHook;
+
+public class DIFilter extends LastaFilter {
+
+    @Override
+    protected void resolveCharacterEncoding(HttpServletRequest request) throws UnsupportedEncodingException {
+        // nothing
+    }
+
+    @Override
+    protected void viaInsideHookDeque(HttpServletRequest request, HttpServletResponse response, FilterChain chain, Deque<FilterHook> deque)
+            throws IOException, ServletException {
+        if (!deque.isEmpty()) {
+            super.viaInsideHookDeque(request, response, chain, deque);
+        } else {
+            routingFilter.doFilter(request, response, prepareFinalChain(chain)); /* #to_action */
+        }
+    }
+}
diff --git a/src/main/java/org/codelibs/fess/filter/EncodingFilter.java b/src/main/java/org/codelibs/fess/filter/EncodingFilter.java
index d0c3ca5bf..e5e9c32d1 100644
--- a/src/main/java/org/codelibs/fess/filter/EncodingFilter.java
+++ b/src/main/java/org/codelibs/fess/filter/EncodingFilter.java
@@ -24,6 +24,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
+import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
 import javax.servlet.ServletContext;
@@ -38,8 +39,7 @@ import org.apache.commons.codec.net.URLCodec;
 import org.codelibs.core.lang.StringUtil;
 import org.lastaflute.web.LastaFilter;
 
-// TODO parent filter
-public class FessEncodingFilter extends LastaFilter {
+public class EncodingFilter implements Filter {
     public static String ENCODING_MAP = "encodingRules";
 
     protected Map<String, String> encodingMap = new ConcurrentHashMap<>();
@@ -52,12 +52,11 @@ public class FessEncodingFilter extends LastaFilter {
 
     @Override
     public void init(final FilterConfig config) throws ServletException {
-        super.init(config);
         servletContext = config.getServletContext();
 
-        encoding = config.getInitParameter(ENCODING_KEY);
+        encoding = config.getInitParameter(LastaFilter.ENCODING_KEY);
         if (encoding == null) {
-            encoding = DEFAULT_ENCODING;
+            encoding = LastaFilter.DEFAULT_ENCODING;
         }
 
         // ex. sjis:Shift_JIS,eucjp:EUC-JP
@@ -118,7 +117,7 @@ public class FessEncodingFilter extends LastaFilter {
             }
         }
 
-        super.doFilter(request, response, chain);
+        chain.doFilter(request, response);
     }
 
     protected Map<String, String[]> getParameterMapFromQueryString(final HttpServletRequest request, final String enc) throws IOException {
@@ -169,4 +168,9 @@ public class FessEncodingFilter extends LastaFilter {
         }
         return paramMap;
     }
+
+    @Override
+    public void destroy() {
+        // nothing
+    }
 }
diff --git a/src/main/java/org/codelibs/fess/filter/RoutingFilter.java b/src/main/java/org/codelibs/fess/filter/RoutingFilter.java
new file mode 100644
index 000000000..eedf3e438
--- /dev/null
+++ b/src/main/java/org/codelibs/fess/filter/RoutingFilter.java
@@ -0,0 +1,19 @@
+package org.codelibs.fess.filter;
+
+import java.io.IOException;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+import org.lastaflute.web.LastaFilter;
+
+public class RoutingFilter extends LastaFilter {
+
+    @Override
+    public void doFilter(ServletRequest servReq, ServletResponse servRes, FilterChain chain) throws IOException, ServletException {
+        routingFilter.doFilter(servReq, servRes, prepareFinalChain(chain)); /* #to_action */
+    }
+
+}
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index a5c8d4428..7ccd69a63 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -24,7 +24,7 @@
   <!--                                                                    ============== -->
   <filter>
     <filter-name>encodingfilter</filter-name>
-    <filter-class>org.codelibs.fess.filter.FessEncodingFilter</filter-class>
+    <filter-class>org.codelibs.fess.filter.EncodingFilter</filter-class>
     <init-param>
       <param-name>encoding</param-name>
       <param-value>UTF-8</param-value>
@@ -57,6 +57,16 @@
     <filter-class>org.codelibs.fess.filter.WebApiFilter</filter-class>
   </filter>
 
+  <filter>
+    <filter-name>diFilter</filter-name>
+    <filter-class>org.codelibs.fess.filter.DIFilter</filter-class>
+  </filter>
+
+  <filter>
+    <filter-name>routingFilter</filter-name>
+    <filter-class>org.codelibs.fess.filter.RoutingFilter</filter-class>
+  </filter>
+
   <!--
   <filter>
     <filter-name>adLoginInfoFilter</filter-name>
@@ -146,7 +156,13 @@
     <filter-name>encodingfilter</filter-name>
     <url-pattern>/*</url-pattern>
     <dispatcher>REQUEST</dispatcher>
-    <dispatcher>FORWARD</dispatcher>
+    <dispatcher>FORWARD</dispatcher><!-- TODO -->
+  </filter-mapping>
+
+  <filter-mapping>
+    <filter-name>diFilter</filter-name>
+    <url-pattern>/*</url-pattern>
+    <dispatcher>REQUEST</dispatcher>
   </filter-mapping>
 
   <filter-mapping>
@@ -161,8 +177,9 @@
   </filter-mapping>
 
   <filter-mapping>
-    <filter-name>lastaFilter</filter-name>
+    <filter-name>routingFilter</filter-name>
     <url-pattern>/*</url-pattern>
+    <dispatcher>REQUEST</dispatcher>
   </filter-mapping>
 
   <!--