After converting a working project to an AOP project, without applying aspects to anything, project fails to build.

Errors:

Errors running builder "AOP Project Builder" on project <project name>.

java.lang.NoClassDefFoundError: org/apache/struts/validator/DynaValidatorForm
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.jboss.ide.eclipse.jdt.aop.core.util.JaxbReportUtil.loadFile(JaxbReportUtil.java:124)
at org.jboss.ide.eclipse.jdt.aop.core.util.JaxbReportUtil.access$0(JaxbReportUtil.java:112)
at org.jboss.ide.eclipse.jdt.aop.core.util.JaxbReportUtil$1.visit(JaxbReportUtil.java:87)
at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:108)
at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:55)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:78)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:123)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:65)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:106)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:85)
at org.jboss.ide.eclipse.jdt.aop.core.util.JaxbReportUtil.getAopReport(JaxbReportUtil.java:80)
at org.jboss.ide.eclipse.jdt.aop.core.AopCorePlugin.updateProjectReport(AopCorePlugin.java:435)
at org.jboss.ide.eclipse.jdt.aop.core.project.AopProjectBuilder.finishBuild(AopProjectBuilder.java:157)
at org.jboss.ide.eclipse.jdt.aop.core.project.AopProjectBuilder.build(AopProjectBuilder.java:119)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:570)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:616)
at org.eclipse.core.runtime.Platform.run(Platform.java:747)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:159)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:251)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:204)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:231)
at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:616)
at org.eclipse.core.runtime.Platform.run(Platform.java:747)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:234)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:270)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:299)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:155)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:212)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:66)