Spring OAuth2 implementation with InMemoryTokenStore bean creation issue - maven

Question

I try to implement Oauth2 into my project using this blog
I am newbie on Spring framework, so occured an exception such as ClassNotFoundException, altough all comliant classes exist under right package though.
Source (maven project) can be seen on github
Thank you
Error begins with:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0': Invocation of init method failed; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.trafficalarm.rest.security.HierarchicalJsr250Voter] for bean with name 'roleVoter' defined in class path resource [spring/security/security-configuration.xml]; nested exception is java.lang.ClassNotFoundException: com.trafficalarm.rest.security.HierarchicalJsr250Voter
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.trafficalarm.rest.security.HierarchicalJsr250Voter] for bean with name 'roleVoter' defined in class path resource [spring/security/security-configuration.xml]; nested exception is java.lang.ClassNotFoundException: com.trafficalarm.rest.security.HierarchicalJsr250Voter
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.trafficalarm.rest.filter.spring.SpringCrossOriginResourceSharingFilter] for bean with name 'corsFilter' defined in class path resource [spring/oauth/oauth2-configuration.xml]; nested exception is java.lang.ClassNotFoundException: com.trafficalarm.rest.filter.spring.SpringCrossOriginResourceSharingFilter
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [com.trafficalarm.rest.security.OAuthRestEntryPoint] for bean with name 'oauthRestEntryPoint' defined in class path resource [spring/oauth/oauth2-configuration.xml]; nested exception is java.lang.ClassNotFoundException: com.trafficalarm.rest.security.OAuthRestEntryPoint
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)

Answer 1

Make sure you web.xml does initialize spring context correctly:
[UPDATE]
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:app-config.xml
</param-value>
</context-param>
MUST be direct child.
Then, in your app-config you can scan for all components using
<context:component-scan base-package="your.component.package.here"/>
Then you import all of your spring config files
<import resource="classpath:your-resource.xml"/>
I also noticed that the PropertiesPlaceholderConfigurer bean was not correctly configured, so I had to do something like this on one of my spring config files, It was throwing exceptions everywhere because spring did not found the file properties:
<bean id="propertyPlaceholderConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="WEB-INF/application.properties"/>`</bean>`
There are some classes that you won't actually need, but that is up to you. Hope you can figure it out with these hints.
Regards

Answer 2

The essential problem regarding the exception was the build path problem. When i moved security-configuration.xml file content into business-config.xml, ide warned me about build path problem. So i checked the build path of project, maven dependecies seem to be unchecked. I had changed version of JDK previously, so i think that caused unchecked situation. Unfortunatelly, noticing took for a while...