Home > Not Working > @autowired Annotation Not Working

@autowired Annotation Not Working


In web.xml file of "main-project", I have defined the context configuration file Code: contextConfigLocation classpath*:META-INF/spring/spring-master.xml classpath*:META-INF/spring/spring-security.xml classpath*:META-INF/spring/spring-kernel.xml where spring-master.xml and spring-security.xml are defined in the "main-project" and more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Code for XML is:(beansdefinition.xml) http://camtronics.net/not-working/autowired-not-working-with-component.html

So these are some practical reasons(I'm not mentioning good OOD principles here) why in Spring we are offen forced to to inject services as interfaces. See this post on the Spring forums for more details. Pick Randomly Between -1 or 1 Why do we holler *at* someone but talk *to* someone? do I need to change it? –Sagar May 10 '11 at 14:08 you need to changeor add new one which refers to configService package –danny.lesnik May 10 '11 at

@autowired Not Working Nullpointerexception

I used a solution that I happened to already have on my laptop on an exam. ClassNotFoundException is different than NullPointerException - it means there's a class referenced in your code that your web application can't find. but I'm not creating new instance myself..

share|improve this answer answered May 8 '14 at 18:25 Chris Thompson 24.1k76091 thanks for the comment. Wrong way on a bike lane? Giving change in smaller denominations so customers can tip? Autowired Component Is Null The bean injection seems the same @inject Calculator myCalculator At last we found that the error was that we (actually, the eclipse idea out complete feature) imported com.opensymphony.xwork2.Inject instead of javax.inject.Inject

Those needing community support and/or wanting to ask questions should refer to the Tag/Forum map, and to http://spring.io/questions for a curated list of stackoverflow tags that Pivotal engineers, and the community, Spring @autowired Not Working Null another minor restriction is that in subclassing the framework will need to have a strategy to decide which inherited constructor to call - in Spring/CGLIB the parameterless constructor is preferred, so Mimsy were the Borogoves - why is "mimsy" an adjective? http://stackoverflow.com/questions/17753681/spring-autowired-not-working-not-always yes it is really strange.

Sample snippet here : @Service public class ClassB { private ClassA classA; @Autowired public ClassB(ClassA classA) { this.classA = classA; } public void useClassAObjectHere(){ classA.callMethodOnObjectA(); } } share|improve this answer edited Autowired Object Is Null To fully understand the issues at hand we need to wind back a bit and cover some theory. Basic stuff is set up properly (like dependencies etc.) because in first version of the test app I was using xml based configuration and it was working smoothly. Polyglot Anagrams Cops' Thread Why is translateY(-50%) needed to center an element which is at top: 50%?

Spring @autowired Not Working Null

The root cause is, instead of using the auto-created bean maintained by the Spring IoC container (whose @Autowired field is indeed properly injected), I am newing my own instance of that http://stackoverflow.com/questions/5697470/spring-autowiring-not-working Here is my controller: package control.peso.controller; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import control.peso.data.ResumenMedicionPeso; import control.peso.service.HomeService; @Controller public class HomeController { @Autowired private HomeService homeService; //NOPMD @RequestMapping(value @autowired Not Working Nullpointerexception I have also tried to not put spring-kernel.xml in the contextConfigLocation definition, but i try to import spring-kernel.xml as a resource in spring-master.xml, thinking that may be something change.. @autowired Not Working With @component share|improve this answer answered May 21 at 16:24 Madhusudana Reddy Sunnapu 3,4802313 add a comment| up vote -1 down vote How will spring know that it has to run this DemoApplication.

What happened? http://camtronics.net/not-working/rollback-annotation-not-working.html will continue to play around this solution. –user3590506 May 8 '14 at 18:32 add a comment| up vote 0 down vote Spring only know to autowire fields that have been marked more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed As incomplete-co.de has suggested your service is injected as class, and not as interface. Spring Autowired Not Working

Another way to show convergence of well known series Lab colleague uses cracked software. From your code CustomerDAO is not a bean. It's curious because from another service, the same DAO is properly injected. his comment is here java spring autowired share|improve this question edited May 8 '14 at 18:32 asked May 8 '14 at 18:03 user3590506 64129 i'm using spring and jersey.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Spring Autowired Annotation Nullpointerexception I have injected a DAO in the Remote interface implementation. How can I claim compensation?

Use the [ code ] tags, young padawan #2 Jun 10th, 2011, 07:46 AM Why are you using component-scanning AND defining your beans in xml...

I have spent a lot of hours to find a solution but I don't have idea what I'm doing wrong. Some users (for which I've closed as duplicates) don't understand this. –Sotirios Delimanolis Oct 18 '14 at 1:39 | show 7 more comments up vote 26 down vote If you are Browse other questions tagged spring spring-annotations or ask your own question. Spring @autowired Null Value How do we know that Kalendae is the first day of a month?

Make sure you aren't creating new instances yourself. I have some problem with the @Autowired annotation: the object injected is always null.. i have used spring servlet in web.xml as suggested by mentioned solution, and i already had jersey-spring dependency exclusion correctly. weblink I was importing .xml of the included jar package from a configuration file defined in contextConfigLocation.

Does the Rothschild family own most central banks? share|improve this answer answered Jul 20 '13 at 10:24 Sergey Makarov 1,71811017 The problem with using annotations heavily is that they incrasee the coupling of beans to each other can any body tell me what might have went wrong. US Election results 2016: What went wrong with prediction models?

My cat sat on my laptop, now the right side of my keyboard types the wrong characters Isn't AES-NI useless because now the key length need to be longer? I have created the application context by private static final ClassPathXmlApplicationContext applicationContext; static { applicationContext = new ClassPathXmlApplicationContext("config/applicationContext.xml"); } The problem is that none of the @Autowired beans actually get auto-wired, Thank u all for your support. Which one to use under what condition?2Spring @autowired returning nulls3How to inject config settings into autowired spring beans?147Understanding Spring @Autowired usage1Spring MVC: Controller RequestMapping working, but return always gives a 404242Why

DZone article discussing multiple beans and autowiring problems. 3. Spring Autowiring & Component Scanning Problems - ... Why isn't Spring autowiring the field? Why is it not wiring correctly?

What episode of Star Trek is this creature on? There is no proxying, or inheritance of the Bean(Factory)PostProcessors. Post Reply Bookmark Topic Watch Topic New Topic Similar Threads Business Service Spring: Creating a servlet/controller to handle REST calls Hibernate - using 'services'; is this consider a good design? [AJAX] DispatcherServlet uses the ContextLoaderListener (at least the ApplicationContext) as its parent, it can access beans from the parent, that is where it all ends.

the problem is actually happening earlier, where CustomerBOImpl autowiring is failing at CustomerServiceImpl. (just updated main question with CustomerDAOImpl code) also i'm trying to avoid defining bean in xml if possible. CustomerServiceImpl.java which is REST endpoint (partial code) package com.samples.service.impl; @Path("customers") public class CustomerServiceImpl implements CustomerService { private static Logger logger = Logger.getLogger(CustomerServiceImpl.class); @Autowired CustomerBO customerBO; here is CustomerBOImpl.java (partial code) package