/*
 * #%L
 * ACS AEM Samples
 * %%
 * Copyright (C) 2015 Adobe
 * %%
 * Licensed 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.
 * #L%
 */

package com.adobe.acs.samples.servlets.impl;

import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Service;
import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
@Properties({
        @Property( name = HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_PATTERN,
                value = "/bin/sample/felix/servlet"
        ),
        @Property( name = HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT,
                value = (HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=org.osgi.service.http")
        )
})
@Service(value = Servlet.class)
public class FelixServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // Handle HTTP GET requests
        response.getWriter().write("HTTP GET: Ok");
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // Handle HTTP POST requests
        response.getWriter().write("HTTP POST: Ok");
    }
}
/*
 * #%L
 * ACS AEM Samples
 * %%
 * Copyright (C) 2015 Adobe
 * %%
 * Licensed 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.
 * #L%
 */

package com.adobe.acs.samples.servlets.impl;

import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Service;
import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
@Properties({
        @Property( name = HttpWhiteboardConstants.HTTP_WHITEBOARD_SERVLET_PATTERN,
                value = "/bin/sample/felix/servlet"
        ),
        @Property( name = HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT,
                value = ("(" + HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=org.osgi.service.http)")
        )
})
@Service(value = Servlet.class)
public class FelixServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // Handle HTTP GET requests
        response.getWriter().write("HTTP GET: Ok");
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // Handle HTTP POST requests
        response.getWriter().write("HTTP POST: Ok");
    }
}

Update FelixServlet.java