hi,

I'm using:
eclipse 3.2
JBoss server 4.2 GA
JBoss SEAM 2.0.2 SP1
and I've already changed into jdk1.5. But when I tried run test with testng, I also have the same error like this.

ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] Error installing to Described: name=BeanDeployer state=PreInstall
java.lang.RuntimeException: java.lang.reflect.UndeclaredThrowableException
     at org.jboss.aop.util.ClassInfoMethodHashing.methodHash(ClassInfoMethodHashing.java:70)
     at org.jboss.aop.util.ClassInfoMethodHashing.addDeclaredMethods(ClassInfoMethodHashing.java:169)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:182)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:181)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:181)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:181)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:181)
     at org.jboss.aop.util.ClassInfoMethodHashing.populateMethodTables(ClassInfoMethodHashing.java:181)
     at org.jboss.aop.util.ClassInfoMethodHashing.getMethodMap(ClassInfoMethodHashing.java:188)
     at org.jboss.aop.microcontainer.integration.AOPDependencyBuilder.getMethodAnnotationDependencies(AOPDependencyBuilder.java:197)
     at org.jboss.aop.microcontainer.integration.AOPDependencyBuilder.getAnnotationDependencies(AOPDependencyBuilder.java:152)
     at org.jboss.aop.microcontainer.integration.AOPDependencyBuilder.getDependencies(AOPDependencyBuilder.java:130)
     at org.jboss.classadapter.plugins.BasicClassAdapter.getDependencies(BasicClassAdapter.java:80)
     at org.jboss.beans.info.plugins.AbstractBeanInfo.getDependencies(AbstractBeanInfo.java:211)
     at org.jboss.kernel.plugins.dependency.DescribeAction.installActionInternal(DescribeAction.java:53)
     at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.installAction(KernelControllerContextAction.java:135)
     at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.installAction(KernelControllerContextAction.java:46)
     at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62)
     at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71)
     at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51)
     at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:327)
     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1309)
     at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:734)
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:862)
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:784)
     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:574)
     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:398)
     at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBean(AbstractKernelDeployer.java:309)
     at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBeans(AbstractKernelDeployer.java:279)
     at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deploy(AbstractKernelDeployer.java:130)
     at org.jboss.kernel.plugins.deployment.xml.BeanXMLDeployer.deploy(BeanXMLDeployer.java:96)
     at org.jboss.embedded.Bootstrap.deployBaseBootstrapUrl(Bootstrap.java:130)
     at org.jboss.embedded.Bootstrap.bootstrapURL(Bootstrap.java:142)
     at org.jboss.embedded.Bootstrap.bootstrap(Bootstrap.java:183)
     at org.jboss.embedded.Bootstrap.bootstrap(Bootstrap.java:195)
     at org.jboss.seam.mock.EmbeddedBootstrap.startAndDeployResources(EmbeddedBootstrap.java:11)
     at org.jboss.seam.mock.BaseSeamTest.startJbossEmbeddedIfNecessary(BaseSeamTest.java:1041)
     at org.jboss.seam.mock.BaseSeamTest.startSeam(BaseSeamTest.java:935)
     at org.jboss.seam.mock.BaseSeamTest.init(BaseSeamTest.java:923)
     at org.jboss.seam.mock.SeamTest.init(SeamTest.java:42)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at org.testng.internal.MethodHelper.invokeMethod(MethodHelper.java:604)
     at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:394)
     at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:142)
     at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:79)
     at org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:165)
     at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:103)
     at org.testng.TestRunner.runWorkers(TestRunner.java:678)
     at org.testng.TestRunner.privateRun(TestRunner.java:624)
     at org.testng.TestRunner.run(TestRunner.java:495)
     at org.testng.SuiteRunner.runTest(SuiteRunner.java:300)
     at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:295)
     at org.testng.SuiteRunner.privateRun(SuiteRunner.java:275)
     at org.testng.SuiteRunner.run(SuiteRunner.java:190)
     at org.testng.TestNG.createAndRunSuiteRunners(TestNG.java:792)
     at org.testng.TestNG.runSuitesLocally(TestNG.java:765)
     at org.testng.TestNG.run(TestNG.java:699)
     at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:73)
     at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:122)
.....
.....
Caused by: java.lang.ClassNotFoundException: [Ljava.lang.Class;
     at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
     at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl.resolveComplexTypeInfo(IntrospectionTypeInfoFactoryImpl.java:367)
     at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactoryImpl.getTypeInfo(IntrospectionTypeInfoFactoryImpl.java:344)
     at org.jboss.reflect.plugins.introspection.IntrospectionTypeInfoFactory.getTypeInfo(IntrospectionTypeInfoFactory.java:54)
     at org.jboss.reflect.plugins.ArrayInfoImpl.getType(ArrayInfoImpl.java:99)
     ... 62 more

I'm still solving my problems. Could you give me some advises if you have the solution with my situation.

Thanks very much.

halylam