Caused by: java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractAdvisingBeanPostProcessor <p>I am using Spring 3.2.8.RELEASE, here is pom I am using</p> <pre><code>&lt;project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"&gt; &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt; &lt;parent&gt; &lt;artifactId&gt;PRINT&lt;/artifactId&gt; &lt;groupId&gt;in.myOrg&lt;/groupId&gt; &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt; &lt;/parent&gt; &lt;!-- &lt;groupId&gt;in.myOrg&lt;/groupId&gt; --&gt; &lt;artifactId&gt;PRINT-APP&lt;/artifactId&gt; &lt;!-- &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt; --&gt; &lt;packaging&gt;war&lt;/packaging&gt; &lt;properties&gt; &lt;org.springframework.version&gt;3.2.8.RELEASE&lt;/org.springframework.version&gt; &lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt; &lt;/properties&gt; &lt;dependencies&gt; &lt;dependency&gt; &lt;groupId&gt;in.myOrg&lt;/groupId&gt; &lt;artifactId&gt;PRINT-Common&lt;/artifactId&gt; &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt; &lt;/dependency&gt; &lt;!-- dependency&gt; &lt;groupId&gt;javax.servlet&lt;/groupId&gt; &lt;artifactId&gt;servlet-api&lt;/artifactId&gt; &lt;version&gt;2.5&lt;/version&gt; &lt;/dependency --&gt; &lt;!-- dependency&gt; &lt;groupId&gt;javax.servlet&lt;/groupId&gt; &lt;artifactId&gt;javax.servlet-api&lt;/artifactId&gt; &lt;version&gt;3.1.0&lt;/version&gt; &lt;/dependency --&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-core&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-beans&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-context-support&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-tx&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-orm&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-web&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-webmvc&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework.security&lt;/groupId&gt; &lt;artifactId&gt;spring-security-core&lt;/artifactId&gt; &lt;version&gt;3.2.5.RELEASE&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework.security&lt;/groupId&gt; &lt;artifactId&gt;spring-security-web&lt;/artifactId&gt; &lt;version&gt;3.2.5.RELEASE&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-lang&lt;/groupId&gt; &lt;artifactId&gt;commons-lang&lt;/artifactId&gt; &lt;version&gt;2.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-logging&lt;/groupId&gt; &lt;artifactId&gt;commons-logging&lt;/artifactId&gt; &lt;version&gt;1.1.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-logging&lt;/groupId&gt; &lt;artifactId&gt;commons-logging-api&lt;/artifactId&gt; &lt;version&gt;1.1&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-pool&lt;/groupId&gt; &lt;artifactId&gt;commons-pool&lt;/artifactId&gt; &lt;version&gt;1.6&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-collections&lt;/groupId&gt; &lt;artifactId&gt;commons-collections&lt;/artifactId&gt; &lt;version&gt;3.2.1&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;dom4j&lt;/groupId&gt; &lt;artifactId&gt;dom4j&lt;/artifactId&gt; &lt;version&gt;1.6.1&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;log4j&lt;/groupId&gt; &lt;artifactId&gt;log4j&lt;/artifactId&gt; &lt;version&gt;1.2.12&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.felix&lt;/groupId&gt; &lt;artifactId&gt;org.apache.felix.webconsole&lt;/artifactId&gt; &lt;version&gt;3.1.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.poi&lt;/groupId&gt; &lt;artifactId&gt;poi&lt;/artifactId&gt; &lt;version&gt;3.7&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.poi&lt;/groupId&gt; &lt;artifactId&gt;poi-ooxml-schemas&lt;/artifactId&gt; &lt;version&gt;3.7&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;taglibs&lt;/groupId&gt; &lt;artifactId&gt;standard&lt;/artifactId&gt; &lt;version&gt;1.1.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;stax&lt;/groupId&gt; &lt;artifactId&gt;stax-api&lt;/artifactId&gt; &lt;version&gt;1.0.1&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;xml-apis&lt;/groupId&gt; &lt;artifactId&gt;xml-apis&lt;/artifactId&gt; &lt;version&gt;1.0.b2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;commons-dbcp&lt;/groupId&gt; &lt;artifactId&gt;commons-dbcp&lt;/artifactId&gt; &lt;version&gt;1.4&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;net.sourceforge.jtds&lt;/groupId&gt; &lt;artifactId&gt;jtds&lt;/artifactId&gt; &lt;version&gt;1.2.2&lt;/version&gt; &lt;/dependency&gt; &lt;!-- Jersey --&gt; &lt;dependency&gt; &lt;groupId&gt;com.sun.jersey&lt;/groupId&gt; &lt;artifactId&gt;jersey-server&lt;/artifactId&gt; &lt;version&gt;1.8&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;com.sun.jersey&lt;/groupId&gt; &lt;artifactId&gt;jersey-core&lt;/artifactId&gt; &lt;version&gt;1.8&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;com.fasterxml.jackson.jaxrs&lt;/groupId&gt; &lt;artifactId&gt;jackson-jaxrs-json-provider&lt;/artifactId&gt; &lt;version&gt;2.3.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.codehaus.jackson&lt;/groupId&gt; &lt;artifactId&gt;jackson-mapper-asl&lt;/artifactId&gt; &lt;version&gt;1.9.11&lt;/version&gt; &lt;/dependency&gt; &lt;!-- Spring 3 dependencies --&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-context&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;!-- Jersey + Spring --&gt; &lt;dependency&gt; &lt;groupId&gt;com.sun.jersey.contribs&lt;/groupId&gt; &lt;artifactId&gt;jersey-spring&lt;/artifactId&gt; &lt;version&gt;1.8&lt;/version&gt; &lt;exclusions&gt; &lt;exclusion&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring&lt;/artifactId&gt; &lt;/exclusion&gt; &lt;exclusion&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-core&lt;/artifactId&gt; &lt;/exclusion&gt; &lt;exclusion&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-web&lt;/artifactId&gt; &lt;/exclusion&gt; &lt;exclusion&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-beans&lt;/artifactId&gt; &lt;/exclusion&gt; &lt;exclusion&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-context&lt;/artifactId&gt; &lt;/exclusion&gt; &lt;/exclusions&gt; &lt;/dependency&gt; &lt;!-- Spring AOP + AspectJ --&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-aop&lt;/artifactId&gt; &lt;version&gt;${org.springframework.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.aspectj&lt;/groupId&gt; &lt;artifactId&gt;aspectjrt&lt;/artifactId&gt; &lt;version&gt;1.6.11&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.aspectj&lt;/groupId&gt; &lt;artifactId&gt;aspectjweaver&lt;/artifactId&gt; &lt;version&gt;1.6.11&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.aspectj&lt;/groupId&gt; &lt;artifactId&gt;aspectjtools&lt;/artifactId&gt; &lt;version&gt;1.6.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;com.google.code.gson&lt;/groupId&gt; &lt;artifactId&gt;gson&lt;/artifactId&gt; &lt;version&gt;1.7.1&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;com.itextpdf&lt;/groupId&gt; &lt;artifactId&gt;itextpdf&lt;/artifactId&gt; &lt;version&gt;5.0.6&lt;/version&gt; &lt;/dependency&gt; &lt;/dependencies&gt; &lt;build&gt; &lt;finalName&gt;PRINT-APP&lt;/finalName&gt; &lt;resources&gt; &lt;resource&gt; &lt;directory&gt;src/main/resources&lt;/directory&gt; &lt;targetPath&gt;${basedir}/target&lt;/targetPath&gt; &lt;includes&gt; &lt;include&gt;log4j.properties&lt;/include&gt; &lt;/includes&gt; &lt;/resource&gt; &lt;/resources&gt; &lt;plugins&gt; &lt;plugin&gt; &lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt; &lt;version&gt;3.1&lt;/version&gt; &lt;configuration&gt; &lt;source&gt;1.7&lt;/source&gt; &lt;target&gt;1.7&lt;/target&gt; &lt;/configuration&gt; &lt;/plugin&gt; &lt;plugin&gt; &lt;artifactId&gt;maven-war-plugin&lt;/artifactId&gt; &lt;version&gt;2.3&lt;/version&gt; &lt;configuration&gt; &lt;warSourceDirectory&gt;WebContent&lt;/warSourceDirectory&gt; &lt;failOnMissingWebXml&gt;false&lt;/failOnMissingWebXml&gt; &lt;/configuration&gt; &lt;/plugin&gt; &lt;plugin&gt; &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt; &lt;artifactId&gt;maven-resources-plugin&lt;/artifactId&gt; &lt;version&gt;2.6&lt;/version&gt; &lt;/plugin&gt; &lt;!-- plugin&gt; &lt;groupId&gt;org.codehaus.mojo&lt;/groupId&gt; &lt;artifactId&gt;properties-maven-plugin&lt;/artifactId&gt; &lt;version&gt;1.0-alpha-2&lt;/version&gt; &lt;executions&gt; &lt;execution&gt; &lt;phase&gt;initialize&lt;/phase&gt; &lt;goals&gt; &lt;goal&gt;read-project-properties&lt;/goal&gt; &lt;/goals&gt; &lt;/execution&gt; &lt;/executions&gt; &lt;configuration&gt; &lt;files&gt; &lt;file&gt;${basedir}\src\main\resources\build.properties&lt;/file&gt; &lt;/files&gt; &lt;/configuration&gt; &lt;/plugin --&gt; &lt;/plugins&gt; &lt;/build&gt; </code></pre> <p> I am getting following exception:</p> <pre><code>org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.springframework.scheduling.annotation.AsyncAnnotationBeanPostProcessor] for bean with name 'org.springframework.context.annotation.internalAsyncAnnotationProcessor' defined in null: problem with class file or dependent class; nested exception is java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractAdvisingBeanPostProcessor at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1284) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:575) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1350) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:355) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:326) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:434) at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:624) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:410) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4973) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) Caused by: java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractAdvisingBeanPostProcessor at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2944) at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1208) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569) at org.springframework.util.ClassUtils.forName(ClassUtils.java:255) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:416) at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1302) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1273) ... 19 more Caused by: java.lang.ClassNotFoundException: org.springframework.aop.framework.AbstractAdvisingBeanPostProcessor at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1718) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569) ... 30 more </code></pre> <p>Can someone tell what problem is this, is it because of some version conflict?</p>