@@ -30,4 +30,14 @@ public class TransportPojoSchema {
   public String checkTransport(HttpServletRequest request) {
     return request instanceof InvocationToHttpServletRequest ? Const.HIGHWAY : Const.RESTFUL;
   }
+
+  //string
+
+  public String stringBody(String input) {
+    return input;
+  }
+
+  public String stringConcat(String str1, String str2) {
+    return str1 + str2;
+  }
 }
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.servicecomb.it.schema;

import javax.servlet.http.HttpServletRequest;

import org.apache.servicecomb.core.Const;
import org.apache.servicecomb.provider.pojo.RpcSchema;
import org.apache.servicecomb.provider.rest.common.InvocationToHttpServletRequest;

import io.swagger.annotations.SwaggerDefinition;

@RpcSchema(schemaId = "transportPojo")
@SwaggerDefinition(basePath = "/v1/transportPojo")
public class TransportPojoSchema {
  public String checkTransport(HttpServletRequest request) {
    return request instanceof InvocationToHttpServletRequest ? Const.HIGHWAY : Const.RESTFUL;
  }
}

This two methods never invoked in this PR