aop is dependent on something while its dependency is not being declared: anonymous wrote : [echo] NOTE: aopc incremental compilation might fail, if so do an ant clean first (see JMESSAGING-271) | [aopc] Exception in thread "main" java.lang.NoClassDefFoundError: org/jboss/metadata/spi/signature/Signature | [aopc] at org.jboss.aop.ClassicWeavingStrategy.translate(ClassicWeavingStrategy.java:91) | [aopc] at org.jboss.aop.AspectManager.translate(AspectManager.java:889) | [aopc] at org.jboss.aop.AspectManager.transform(AspectManager.java:832) | [aopc] at org.jboss.aop.standalone.Compiler.compileFile(Compiler.java:345) | [aopc] at org.jboss.aop.standalone.Compiler.compileFile(Compiler.java:326) | [aopc] at org.jboss.aop.standalone.Compiler.compile(Compiler.java:234) | [aopc] at org.jboss.aop.standalone.Compiler.main(Compiler.java:90) | I suspect this is the Adrian's microcontainer (or microkernel? I confused the names now) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4029519#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...