The error message in the following stack trace would be immensely more useful if it included information about the source of the missing dependency:

13:05:28,507 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] Error installing to Create: name=vfs:///home/shane/apps/jboss-6.0.0.Final/server/default/deploy/openid-rp.war_WeldBootstrapBean state=Configured: org.jboss.weld.resources.spi.ResourceLoadingException: Error loading class org.jboss.seam.persistence.transaction.TransactionInterceptor
at org.jboss.weld.integration.deployer.env.bda.ClassLoaderResourceLoader.classForName(ClassLoaderResourceLoader.java:41) [:6.0.0.Final]
at org.jboss.weld.manager.Enabled$ClassLoader.apply(Enabled.java:67) [:6.0.0.Final]
at org.jboss.weld.manager.Enabled$ClassLoader.apply(Enabled.java:55) [:6.0.0.Final]
at com.google.common.collect.Lists$TransformingRandomAccessList.get(Lists.java:435) [:6.0.0.Final]
at java.util.AbstractList$Itr.next(AbstractList.java:345) [:1.6.0_20]
at org.jboss.weld.manager.Enabled.createMetadataMap(Enabled.java:130) [:6.0.0.Final]
at org.jboss.weld.manager.Enabled.<init>(Enabled.java:100) [:6.0.0.Final]
at org.jboss.weld.manager.Enabled.of(Enabled.java:82) [:6.0.0.Final]
at org.jboss.weld.bootstrap.BeanDeployment.<init>(BeanDeployment.java:103) [:6.0.0.Final]
at org.jboss.weld.bootstrap.WeldBootstrap$DeploymentVisitor.visit(WeldBootstrap.java:184) [:6.0.0.Final]
at org.jboss.weld.bootstrap.WeldBootstrap$DeploymentVisitor.visit(WeldBootstrap.java:155) [:6.0.0.Final]
at org.jboss.weld.bootstrap.WeldBootstrap.startContainer(WeldBootstrap.java:286) [:6.0.0.Final]
at org.jboss.weld.integration.deployer.env.helpers.BootstrapBean.initialize(BootstrapBean.java:106) [:6.0.0.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:1.6.0_20]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [:1.6.0_20]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [:1.6.0_20]
at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_20]
at org.jboss.reflect.plugins.introspection.ReflectionUtils.invoke(ReflectionUtils.java:60) [jboss-reflect.jar:2.2.0.GA]
at org.jboss.reflect.plugins.introspection.ReflectMethodInfoImpl.invoke(ReflectMethodInfoImpl.java:168) [jboss-reflect.jar:2.2.0.GA]
at org.jboss.joinpoint.plugins.BasicMethodJoinPoint.dispatch(BasicMethodJoinPoint.java:66) [jboss-reflect.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.KernelControllerContextAction$JoinpointDispatchWrapper.execute(KernelControllerContextAction.java:257) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.ExecutionWrapper.execute(ExecutionWrapper.java:47) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchExecutionWrapper(KernelControllerContextAction.java:125) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.KernelControllerContextAction.dispatchJoinPoint(KernelControllerContextAction.java:72) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.LifecycleAction.installActionInternal(LifecycleAction.java:202) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42) [jboss-kernel.jar:2.2.0.GA]
at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.GA]
at org.jboss.deployers.plugins.deployers.DeployersImpl.change(DeployersImpl.java:1983) [:2.2.0.GA]
at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:1076) [:2.2.0.GA]
at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:679) [:2.2.0.GA]
at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.process(MainDeployerPlugin.java:106) [:6.0.0.Final]
at org.jboss.profileservice.dependency.ProfileControllerContext$DelegateDeployer.process(ProfileControllerContext.java:143) [:0.2.2]
at org.jboss.profileservice.deployment.hotdeploy.HDScanner$HDScanAction.deploy(HDScanner.java:240) [:0.2.2]
at org.jboss.profileservice.deployment.hotdeploy.HDScanner$HDScanAction.complete(HDScanner.java:192) [:0.2.2]
at org.jboss.profileservice.management.TwoPCActionWrapper.doComplete(TwoPCActionWrapper.java:57) [:0.2.2]
at org.jboss.profileservice.management.actions.AbstractTwoPhaseModificationAction.complete(AbstractTwoPhaseModificationAction.java:74) [:0.2.2]
at org.jboss.profileservice.management.actions.AbstractTwoPhaseModificationAction.prepare(AbstractTwoPhaseModificationAction.java:95) [:0.2.2]
at org.jboss.profileservice.management.ModificationSession.prepare(ModificationSession.java:87) [:0.2.2]
at org.jboss.profileservice.management.AbstractActionController.internalPerfom(AbstractActionController.java:234) [:0.2.2]
at org.jboss.profileservice.management.AbstractActionController.performWrite(AbstractActionController.java:213) [:0.2.2]
at org.jboss.profileservice.management.AbstractActionController.perform(AbstractActionController.java:150) [:0.2.2]
at org.jboss.profileservice.management.AbstractActionController.perform(AbstractActionController.java:135) [:0.2.2]
at org.jboss.profileservice.deployment.hotdeploy.HDScanner.scan(HDScanner.java:146) [:0.2.2]
at org.jboss.profileservice.deployment.hotdeploy.HDScanner.run(HDScanner.java:90) [:0.2.2]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [:1.6.0_20]
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) [:1.6.0_20]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) [:1.6.0_20]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) [:1.6.0_20]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:181) [:1.6.0_20]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:205) [:1.6.0_20]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_20]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_20]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_20]
Caused by: java.lang.ClassNotFoundException: org.jboss.seam.persistence.transaction.TransactionInterceptor from BaseClassLoader@553675

{vfs:///home/shane/apps/jboss-6.0.0.Final/server/default/deploy/openid-rp.war}

at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:480) [jboss-classloader.jar:2.2.0.GA]
at java.lang.ClassLoader.loadClass(ClassLoader.java:248) [:1.6.0_20]
at org.jboss.weld.integration.deployer.env.bda.ClassLoaderResourceLoader.classForName(ClassLoaderResourceLoader.java:37) [:6.0.0.Final]
... 63 more