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Build Identifier: Aspectj with JDK 1.5 I have 2 project. 1- First project tools.jar contain My Trace Aspect and my Trace Annotation. 2- Second project contain My application web. I build jar for my first project and export it in my application web. I deploy my aplication web in serveur test apache tomcat version 6. The application web work correctely with jdk version 1.6 but it don't work with jdk 1.5 The log erreur is : exception org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [C:\workspaceSTS\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\protozbaproject\WEB-INF\classes\com\cacib\zba\dao\EntrepriseDAOImpl.class]; nested exception is java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class com.ca.cib.tools.aop.trace.TraceAnnotation) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:656) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549) javax.servlet.http.HttpServlet.service(HttpServlet.java:617) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) cause mère org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [C:\workspaceSTS\.metadata\.plugins\org.eclipse.wst.server.core\tmp1\wtpwebapps\protozbaproject\WEB-INF\classes\com\cacib\zba\dao\EntrepriseDAOImpl.class]; nested exception is java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class com.ca.cib.tools.aop.trace.TraceAnnotation) org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:237) org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:204) org.springframework.context.annotation.ComponentScanBeanDefinitionParser.parse(ComponentScanBeanDefinitionParser.java:84) org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:73) org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1335) org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1325) org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:136) org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:93) org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493) org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390) org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334) org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302) org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143) org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178) org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149) org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:212) org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:126) org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:92) org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130) org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:465) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:395) org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) com.cacib.zba.web.IndexController.formBackingObject(IndexController.java:56) org.springframework.web.servlet.mvc.AbstractFormController.getErrorsForNewForm(AbstractFormController.java:361) org.springframework.web.servlet.mvc.AbstractFormController.showNewForm(AbstractFormController.java:341) org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:281) org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153) org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:788) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:717) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549) javax.servlet.http.HttpServlet.service(HttpServlet.java:617) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) Reproducible: Always Steps to Reproduce: 1.Build jar with class TraceAnnotation.java and TraceAspect.java and aspectjrt-2.1.1.jar TraceAnnotation.java : @Target( { ElementType.METHOD, ElementType.TYPE }) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface TraceAnnotation { } TraceAspect.java : @Aspect @Order(1) public class TraceAspect { @Pointcut("@annotation(com.ca.cib.tools.aop.trace.TraceAnnotation)") public void logOperation(){} @Before("logOperation()") public void logBefore(JoinPoint joinPoint){ System.out.println("Test My Trace logBefore"); } @AfterReturning("logOperation()") public void logAfterReturning(JoinPoint joinPoint){ System.out.println("Test My Trace logAfterReturning"); } } 2. Créate project web and import the jar trace. 3.Test 1 : use jdk 1.5 Deploy the project web in tomcat V6.0. Test 2 : use jdk 1.6 Deploy the same project web in tomcat V6.0 When i use jdk 1.6 my trace aspect work. But when i use jdk 1.5 My trcace Aspect get exception UnsupportedClassVersionError: Bad version number in .class file.
The error indicates your class com.ca.cib.tools.aop.trace.TraceAnnotation has been built as a Java 6 class, only runnable on 1.6. Are you sure the project containing your aspect is set to use 1.5 compliance? You can check the class file directly with javap: javap -private -verbose com.ca.cib.tools.aop.trace.TraceAnnotation | grep version For Java5 that will be: minor version: 0 major version: 49 For Java6 that will be: minor version: 0 major version: 50 Compliance is set on the project properties, "Java Compiler" page.
Not sure there is anything more I can do here, please reopen if you think there is. It looks like compliance not set to 1.5 on the project that was compiled. There *was* an AspectJ bug I recently fixed that showed 3 1.6 built classes had been included in aspectj (testcode), these can trip spring up if it is jar scanning and tries to load them. However, i don't see any of those testclasses referenced in the trace below.