GlassFish 3.1 didn't come preinstalled with osgi-http service
implementation. Pl. use GlassFish 3.1.1 which comes preinstalled with
osgi-http implementation.
Thanks,
Sahoo
On Tuesday 06 September 2011 09:11 PM, Shai Amar wrote:
Hi
I'm trying to run a simple servlet in Felix OSGi under Glassfish 3.1
application server
I've created 3 files:
1. *BackAppsOSGiSevletPOC*
2. *ServletServiceTracker *
3. *ServletActivator*
The files are specified below.
Then, after I've installed the module, I've tried to activate the servlet
via the request *http://localhost:8080/simple* and got nothing.
I've tried to check and recheck what I've done and came out empty.
Can anyone tell me what I'm missing here?
*BackAppsOSGiSevletPOC *with the following code:
-------------------------------------------------------------------------------------------------------------------------------------------
*package com.krynnlance.backapps.client.servlet;*
*
*
*import java.io.IOException;*
*
*
*import javax.servlet.ServletException;*
*import javax.servlet.http.HttpServlet;*
*import javax.servlet.http.HttpServletRequest;*
*import javax.servlet.http.HttpServletResponse;*
*
*
*public class BackAppsOSGiSevletPOC extends HttpServlet*
*{*
*
*
* private static final long serialVersionUID = 1L;*
* *
* /***
* * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
response)*
* */*
* protected void doGet(HttpServletRequest request, HttpServletResponse
response) throws ServletException, IOException *
* {*
* response.setContentType("text/plain");*
* response.getWriter().write("This is the Servlet module [GET request]...");
*
* }*
*
*
*}*
-------------------------------------------------------------------------------------------------------------------------------------------
*ServletServiceTracker* with the following code:
-------------------------------------------------------------------------------------------------------------------------------------------
*package com.krynnlance.backapps.client.servlet;*
*
*
*import org.osgi.framework.BundleContext;*
*import org.osgi.framework.ServiceReference;*
*import org.osgi.service.http.HttpService;*
*import org.osgi.util.tracker.ServiceTracker;*
*
*
*public class ServletServiceTracker extends ServiceTracker*
*{*
* *
* public ServletServiceTracker(BundleContext context)*
* {*
* /***
* * The service tracker will be registered for a specific class - *
* * in our case that's org.osgi.service.http.HttpService*
* */*
* super(context, HttpService.class.getName(), null);*
* }*
* *
* /***
* * When the service tracker is asked to return the HttpService, *
* * we can register our servlet*
* */*
* public Object addingService(ServiceReference reference)*
* {*
* HttpService httpService = (HttpService)super.addingService(reference);*
* *
* if(httpService == null)*
* {*
* return null;*
* }*
* *
* try*
* {*
* System.out.println("Registering servlet at /simple");*
* httpService.registerServlet("/simple", new BackAppsOSGiSevletPOC(), null,
null);*
* }*
* catch (Exception e) *
* {*
* e.printStackTrace();*
* }*
* *
* return httpService;*
* }*
* *
* /***
* * Likewise, we must make sure to unregister the servlet when the *
* * service tracker is asked to shut down the HttpService*
* */*
* public void removedService(ServiceReference reference, Object service)*
* {*
* HttpService httpService = (HttpService)service;*
* *
* System.out.println("Unregistering /simple");*
* httpService.unregister("/simple");*
* *
* super.removedService(reference, service);*
* }*
*}*
-------------------------------------------------------------------------------------------------------------------------------------------
*ServletActivator *with the following code:
-------------------------------------------------------------------------------------------------------------------------------------------
*package com.krynnlance.backapps.client.servlet;*
*
*
*import org.osgi.framework.BundleActivator;*
*import org.osgi.framework.BundleContext;*
*
*
*public class ServletActivator implements BundleActivator*
*{*
* private ServletServiceTracker servletServiceTracker;*
* *
* *
* @Override*
* public void start(BundleContext ctx) throws Exception *
* {*
* servletServiceTracker = new ServletServiceTracker(ctx);*
* servletServiceTracker.open();*
* }*
*
*
* @Override*
* public void stop(BundleContext ctx) throws Exception *
* {*
* servletServiceTracker.close();*
* servletServiceTracker = null;*
* }*
*
*
*}*
-------------------------------------------------------------------------------------------------------------------------------------------
And the *pom.xml* woth the following code:
-------------------------------------------------------------------------------------------------------------------------------------------
*<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance"*
* xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>*
* *
*<!-- PARENT POM.XML -->*
*<parent>*
*<artifactId>backapps</artifactId>*
*<groupId>com.krynnlance</groupId>*
*<version>0.0.1</version>*
*</parent>*
*<modelVersion>4.0.0</modelVersion>*
*<groupId>com.krynnlance</groupId>*
*<artifactId>BackAppsOSGiSevletPOC</artifactId>*
*<packaging>bundle</packaging>*
*<version>1.0</version>*
*<name>BackApps OSGi Servlet Proof of Concept</name>*
*<description></description>*
*<organization>*
*<name>Krynnlance LTD</name>*
*<url>http://www.krynnlance.com</url>*
*</organization>*
*<dependencies>*
*
*
*<!-- JUNIT DEPENDENCY FOR TESTING -->*
*<dependency>*
*<groupId>junit</groupId>*
*<artifactId>junit</artifactId>*
*<version>3.8.2</version>*
*<scope>test</scope>*
*</dependency>*
* *
*<!-- Logging -->*
*<!--<dependency>*
*<groupId>log4j</groupId>*
*<artifactId>log4j</artifactId>*
*<version>1.2.16</version>*
*</dependency>-->*
* *
*<!-- This JAR suppose to be in the war package -->*
*<!-- BackApps Beans Dependencies -->*
*<dependency>*
*<groupId>com.krynnlance.backapps.common</groupId>*
*<artifactId>BackAppsCommon</artifactId>*
*<version>1.0</version>*
*</dependency>*
* *
*<!-- SERVLET -->*
*<dependency>*
*<groupId>org.glassfish</groupId>*
*<artifactId>javax.servlet</artifactId>*
*<version>3.1</version>*
*</dependency>*
* *
*<!-- OSGi modules dependencies -->*
* *
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>felix</artifactId>*
*<version>3.2.2</version>*
*</dependency>*
* *
*<!-- HTTP SERVICE -->*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.api</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.base</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.bridge</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.bundle</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.jetty</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.proxy</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<dependency>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>org.apache.felix.http.whiteboard</artifactId>*
*<version>2.0.4</version>*
*</dependency>*
*<!-- END OF HTTP SERVICE -->*
* *
*</dependencies>*
*<build>*
*<resources>*
*<resource>*
*<filtering>false</filtering>*
*<directory>src/main/resources</directory>*
*</resource>*
*<resource>*
*<filtering>false</filtering>*
*<directory>src/main/java</directory>*
*<includes>*
*<include>**</include>*
*</includes>*
*<excludes>*
*<exclude>**/*.java</exclude>*
*</excludes>*
*</resource>*
*</resources>*
*<testResources>*
*<testResource>*
*<filtering>false</filtering>*
*<directory>src/test/java</directory>*
*<includes>*
*<include>**</include>*
*</includes>*
*<excludes>*
*<exclude>**/*.java</exclude>*
*</excludes>*
*</testResource>*
*</testResources>*
*<plugins>*
*<plugin>*
*<inherited>true</inherited>*
*<groupId>org.apache.maven.plugins</groupId>*
*<artifactId>maven-compiler-plugin</artifactId>*
*<configuration>*
*<source>1.5</source>*
*<target>1.5</target>*
*<optimize>true</optimize>*
*<debug>true</debug>*
*</configuration>*
*</plugin>*
*<plugin>*
*<groupId>org.apache.felix</groupId>*
*<artifactId>maven-bundle-plugin</artifactId>*
*<extensions>true</extensions>*
*<configuration>*
*<instructions>*
*
<!--<Export-Package>com.krynnlance.backapps.common.logging</Export-Package>-->
*
*
<Bundle-Activator>com.krynnlance.backapps.client.servlet.ServletActivator</Bundle-Activator>
*
*</instructions>*
*</configuration>*
*</plugin>*
*<plugin>*
*<groupId>org.mortbay.jetty</groupId>*
*<artifactId>maven-jetty-plugin</artifactId>*
*</plugin> *
*</plugins>*
*</build>*
*<properties>*
*<jetty.version>6.1.4</jetty.version>*
*</properties>*
*</project>*
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