Bean Instantiation Error within RCP OSGI Environent when using AOP Pointcuts

[Rijndael]

Hi all,

I´m doing a Project where we build an Eclipse RCP Application using Spring. We´re using Gemini Blueprint for registering OSGI Services as Spring Beans. We use AOP for intercepting method invocations on Services which are hosted withn a Web Application.

After upgrading to Spring 3.1.1 I face an Exception when loading the Spring Application Context. The context definition is

<beans xmlns="http://www.springframework.org/schema/beans"
  	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  	xmlns:context="http://www.springframework.org/schema/context"
  	xmlns:osgi="http://www.springframework.org/schema/osgi"
  	xmlns:aop="http://www.springframework.org/schema/aop"
  
  xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
            http://www.springframework.org/schema/osgi http://www.springframework.org/schema/osgi/spring-osgi.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">

	<bean id="dummyServiceImpl" class="service.DummyServiceImpl" />

	<osgi:service id="dummyService" interface="service.IDummyService" ref="dummyServiceImpl" />

	<bean class="remote.impl.MyRemoteServiceImpl" id="remoteService"/>

	<bean class="handler.MyMethodInterceptor" id="myInterceptor" />

	<aop:config>
	        <aop:advisor
            advice-ref="myInterceptor"
            pointcut="execution(* remote.impl.MyRemoteServiceImpl.*(..))" />
	</aop:config>
</beans>

where

• MyRemoteService is some type that should be intercepted
• service.IDummyService is an Interface that is exported as an OSGI Service and
• handler.MyMethodInterceptor an MethodInterceptor that intercepts invocations on MyRemoteService

When running the application an exception with the following stacktrace is thrown

Caused by: java.lang.IllegalArgumentException: warning no match for this type name: remote.impl.MyRemoteServiceImpl [Xlint:invalidAbsoluteTypeName]
	at org.aspectj.weaver.tools.PointcutParser.parsePointcutExpression(PointcutParser.java:302)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.buildPointcutExpression(AspectJExpressionPointcut.java:207)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.getFallbackPointcutExpression(AspectJExpressionPointcut.java:358)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.matches(AspectJExpressionPointcut.java:255)
	at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:209)
	at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:263)
	at org.springframework.aop.support.AopUtils.findAdvisorsThatCanApply(AopUtils.java:295)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findAdvisorsThatCanApply(AbstractAdvisorAutoProxyCreator.java:117)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:87)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:68)
	at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:359)
	at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1461)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)

This works with Spring 3.0.2. Does anyone know this Problem and can help?

[sujes]

Can I suggest enabling the log "org.springframework.aop.aspectj" to debug?

I faced a similar problem recently in JBoss. Basically I had a datasource bean which came back as an instance of an ironjacammar class. Aspectj tried to check the class hierarchy of every bean and failed on the datasource because the classloader of aspectj couldn't see the class of the datasource. Then apparently aspectj tried to evaluate the pointcut expression using the classloader of the datasource and it gave me the same error as you (because my beans weren't in the classpath of the datasource it couldn't find any of my classes and said nothing matched the expression). See AspectJExpressionPointcut.matches() for code.

My solution was to let my application see the class hierarchy of the datasource object by adding the datasource library as a dependency (i.e. putting the offending class in my classpath). In your case, does the osgi return a bean with class which is not in your application? Maybe you can check what type it has and if you can do some reflection on it. Either way, the above log should give you more information to debug.

Hi all,

I´m doing a Project where we build an Eclipse RCP Application using Spring. We´re using Gemini Blueprint for registering OSGI Services as Spring Beans. We use AOP for intercepting method invocations on Services which are hosted withn a Web Application.

After upgrading to Spring 3.1.1 I face an Exception when loading the Spring Application Context. The context definition is

<beans xmlns="http://www.springframework.org/schema/beans"
  	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  	xmlns:context="http://www.springframework.org/schema/context"
  	xmlns:osgi="http://www.springframework.org/schema/osgi"
  	xmlns:aop="http://www.springframework.org/schema/aop"
  
  xsi:schemaLocation="
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
            http://www.springframework.org/schema/osgi http://www.springframework.org/schema/osgi/spring-osgi.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">

	<bean id="dummyServiceImpl" class="service.DummyServiceImpl" />

	<osgi:service id="dummyService" interface="service.IDummyService" ref="dummyServiceImpl" />

	<bean class="remote.impl.MyRemoteServiceImpl" id="remoteService"/>

	<bean class="handler.MyMethodInterceptor" id="myInterceptor" />

	<aop:config>
	        <aop:advisor
            advice-ref="myInterceptor"
            pointcut="execution(* remote.impl.MyRemoteServiceImpl.*(..))" />
	</aop:config>
</beans>

where

• MyRemoteService is some type that should be intercepted
• service.IDummyService is an Interface that is exported as an OSGI Service and
• handler.MyMethodInterceptor an MethodInterceptor that intercepts invocations on MyRemoteService

When running the application an exception with the following stacktrace is thrown

Caused by: java.lang.IllegalArgumentException: warning no match for this type name: remote.impl.MyRemoteServiceImpl [Xlint:invalidAbsoluteTypeName]
	at org.aspectj.weaver.tools.PointcutParser.parsePointcutExpression(PointcutParser.java:302)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.buildPointcutExpression(AspectJExpressionPointcut.java:207)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.getFallbackPointcutExpression(AspectJExpressionPointcut.java:358)
	at org.springframework.aop.aspectj.AspectJExpressionPointcut.matches(AspectJExpressionPointcut.java:255)
	at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:209)
	at org.springframework.aop.support.AopUtils.canApply(AopUtils.java:263)
	at org.springframework.aop.support.AopUtils.findAdvisorsThatCanApply(AopUtils.java:295)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findAdvisorsThatCanApply(AbstractAdvisorAutoProxyCreator.java:117)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.findEligibleAdvisors(AbstractAdvisorAutoProxyCreator.java:87)
	at org.springframework.aop.framework.autoproxy.AbstractAdvisorAutoProxyCreator.getAdvicesAndAdvisorsForBean(AbstractAdvisorAutoProxyCreator.java:68)
	at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:359)
	at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1461)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)

This works with Spring 3.0.2. Does anyone know this Problem and can help?