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PONoClassDefFoundError with spring cache and aspectj
 

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    <p>I am getting this error in my spring webapp (spring 3.1), and I don't know why.</p> <blockquote> <p>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: mypackage/TestCache$AjcClosure1</p> </blockquote> <p>(the <code>$AjcClosure1</code> is weird)</p> <p>If I comment the annotation <code>@Cacheable</code> in the class below the error is gone.</p> <pre><code>public class TestCache { @Cacheable(value ="myCache") public List&lt;String&gt; getDummyList(){ Logger l = Logger.getLogger(this.getClass()); l.error("calling getDummyList"); ArrayList&lt;String&gt; foo = new ArrayList&lt;String&gt;(); foo.add("foo"); foo.add("bar"); return foo; } } </code></pre> <p>My controller class (simplified):</p> <pre><code>@Controller @RequestMapping("/mypage") public class MyController { @RequestMapping public String index(ModelMap model, Locale locale) { TestCache tc = new TestCache(); ... } } </code></pre> <p>Application Context (only cache part):</p> <pre><code>&lt;cache:annotation-driven mode="aspectj"/&gt; &lt;bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager" p:cache-manager-ref="ehcache"/&gt; &lt;bean id="ehcache" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean" p:config-location="classpath:ehcache.xml"/&gt; </code></pre> <p>I tried proxy and aspectj mode (in proxy mode less error but the cache was doing nothing)</p> <p>This web application was built initially with roo and use spring mvc and webflow. So there is quite a lot of xml in the applicationContext.xml or webmvc-config.xml (and I am not able to understand what some beans are doing). I am running the wepapps in eclipse with m2e-wtp and the pom.xml is using the plug-in aspectj-maven-plugin (but no idea what it does)</p> <p>It looks like the issue is related with aspectj, but I never used aspectJ. If anyone spring/java/aspectj guru can explain me what is making this error and how I can make my cache working it would be awesome! (I could find only tutorial but no sample project using the cacheable annotation).</p>
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