http://puretech.paawak.com My musings on software Sun, 05 Sep 2010 09:42:49 +0000 http://backend.userland.com/rss092 en I will list here the common how to-s for the new Annotation based Spring MVC. Please note that I am using Spring version 3.0.0.RELEASE. This is a bit, only a small bit, different from the version 2.5.x. So, if you are using 2.5.x, you have to tweak things a bit ... http://puretech.paawak.com/2010/09/05/annotation-based-spring-mvc-how-tos/ Eclipse WTP has this nice feature where it allows you to deploy, run and debug Web Applications from the IDE. You start by going to the Server View, adding the target server (like Apache Tomcat in our case) and then adding the Web Project to the server. This is how ... http://puretech.paawak.com/2010/08/28/how-to-convert-a-maven-project-to-eclipse-web-project/ Maven is the build tool of choice for many people due to the simplicity and flexibility of use. The real strength of Maven is vetted when handling real complex projetcs consisting of tens of modules, each requiring elaborate build requirements. I had faced an uphill task of Mavenising one of our ... http://puretech.paawak.com/2010/08/22/creating-an-ear-with-maven/ Kopete is one of the most versatile and cool Instant Messenger for Linux. Its lot better and more secure and feature rich than Pidgin. GTalk is based on the open source XMPP Protocol, Jabber compatible. While entering the new account details, select Jabber: Enter your full email id. Go to the connection tab. ... http://puretech.paawak.com/2010/08/21/how-to-configure-gtalk-on-kopete/ MySQL is installed on Fedora and most Linuxes by default. Its just about some tweaking before you can use it. I am detailing some of the rather useful commands. To Install MySQL and start it mysql_install_db mysqld_safe & Make MySQL case insensitive This is useful when the DB Script is also expected to run on ... http://puretech.paawak.com/2010/08/21/tweaking-mysql-on-fedora/ PPTP is an wonderful utility to enable VPN on a Linux box. Its secure and compatible with Windows network. I first heard about PPTP from (this wonderful guy called) Nikolaj. I have learnt how to set it up from him. I am detailing the steps here: 1> Install PPTP yum install pptp 2> vi ... http://puretech.paawak.com/2010/08/21/how-to-enable-vpn-on-linux-by-pptp/ I have always had problems while playing VCDs on my Linux machine. The VCD file system is still not supported by the Linux kernel. But all is not lost. We have an utility called vcdxrip. This is the command: vcdxrip -i /dev/sr0 -v -p -t 1 --nofiles --nosegments Here i denotes the ... http://puretech.paawak.com/2010/08/21/how-to-rip-vcd-on-linux/ By default, the codecs to play mp3/mp4 are not included due to licensing issues. First you need to add the non-standard repositories: rpm -ivh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm rpm -ivh http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-* That done, if you just double click on a mp3 file (starting Fedora 8 onwards), it will pop-up a dialogue saying that you ... http://puretech.paawak.com/2010/05/20/playing-mp3-on-fedora/ Sometimes when using spring framework or apache commons libraries on JBoss server [JBoss - 5.1.0], when it is built by maven, you get the following exception: org.jboss.xb.binding.JBossXBRuntimeException: Failed to create a new SAX parser at org.jboss.xb.binding.UnmarshallerFactory $UnmarshallerFactoryImpl.newUnmarshaller(UnmarshallerFactory.java:100) at org.jboss.web.tomcat.service.deployers.JBossContextConfig.processContextConfig(JBossContextConfig.java:549) at org.jboss.web.tomcat.service.deployers.JBossContextConfig.init(JBossContextConfig.java:536) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:279) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.StandardContext.init(StandardContext.java:5436) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4148) at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310) at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142) at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461) at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118) at org.jboss.web.deployers.WebModule.start(WebModule.java:97) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96) at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668) at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206) at $Proxy38.start(Unknown Source) at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:42) at org.jboss.system.microcontainer.StartStopLifecycleAction.installAction(StartStopLifecycleAction.java:37) at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) at org.jboss.system.microcontainer.ServiceControllerContext.install(ServiceControllerContext.java:286) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631) at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) at org.jboss.system.ServiceController.doChange(ServiceController.java:688) at org.jboss.system.ServiceController.start(ServiceController.java:460) at org.jboss.system.deployers.ServiceDeployer.start(ServiceDeployer.java:163) at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:99) at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46) at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62) at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50) at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171) at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439) at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157) at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1178) at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210) at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098) at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631) at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781) at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:702) at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117) at org.jboss.system.server.profileservice.repository.ProfileDeployAction.install(ProfileDeployAction.java:70) at org.jboss.system.server.profileservice.repository.AbstractProfileAction.install(AbstractProfileAction.java:53) at org.jboss.system.server.profileservice.repository.AbstractProfileService.install(AbstractProfileService.java:361) at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348) at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631) at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082) at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822) at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553) at org.jboss.system.server.profileservice.repository.AbstractProfileService.activateProfile(AbstractProfileService.java:306) at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:271) at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:461) at org.jboss.Main.boot(Main.java:221) at org.jboss.Main$1.run(Main.java:556) at java.lang.Thread.run(Thread.java:619) Caused by: org.jboss.xb.binding.JBossXBException: Failed ... http://puretech.paawak.com/2010/05/19/jboss-maven-orgjbossxbbindingjbossxbruntimeexception-failed-to-create-a-new-sax-parser/ JBoss supports JAX-WS out of the box. There is not much configuration files needed, only a servlet-mapping in the web.xml. This is how the web-service java file looks like: package com.swayam.demo.webservice; import javax.jws.WebMethod; import javax.jws.WebParam; import javax.jws.WebService; /** * * @author paawak */ @WebService() public class UserService { /** * ... http://puretech.paawak.com/2010/05/08/jax-ws-with-jboss/