This looks like a Tomcat classloading problem like the one earlier this year - NXP-6259.
Just wondering if you need to fix this by re-releasing 5.5 or if you can advise me how to make the necessary environment changes (or if it is entirely a weird local problem).
2011-12-15 13:50:50,122 ERROR [com.sun.xml.ws.server.http] WSSERVLET11: failed to parse runtime descriptor: java.lang.NoSuchMethodError: com.sun.xml.bind.v2.model.nav.Navigator.isFinalMethod(Ljava/lang/Object;)Z
java.lang.NoSuchMethodError: com.sun.xml.bind.v2.model.nav.Navigator.isFinalMethod(Ljava/lang/Object;)Z
at com.sun.xml.ws.model.AbstractWrapperBeanGenerator.getExceptionProperties(AbstractWrapperBeanGenerator.java:354)
at com.sun.xml.ws.model.AbstractWrapperBeanGenerator.collectExceptionBeanMembers(AbstractWrapperBeanGenerator.java:317)
at com.sun.xml.ws.model.WrapperBeanGenerator.createExceptionBean(WrapperBeanGenerator.java:345)
at com.sun.xml.ws.model.RuntimeModeler.getExceptionBeanClass(RuntimeModeler.java:306)
at com.sun.xml.ws.model.RuntimeModeler.processExceptions(RuntimeModeler.java:1081)
at com.sun.xml.ws.model.RuntimeModeler.processDocWrappedMethod(RuntimeModeler.java:815)
at com.sun.xml.ws.model.RuntimeModeler.processMethod(RuntimeModeler.java:586)
at com.sun.xml.ws.model.RuntimeModeler.processClass(RuntimeModeler.java:366)
at com.sun.xml.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:246)
at com.sun.xml.ws.server.EndpointFactory.createSEIModel(EndpointFactory.java:343)
at com.sun.xml.ws.server.EndpointFactory.createEndpoint(EndpointFactory.java:205)
at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:513)
at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parseAdapters(DeploymentDescriptorParser.java:257)
at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parse(DeploymentDescriptorParser.java:151)
at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.parseAdaptersAndCreateDelegate(WSServletContextListener.java:131)
at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.contextInitialized(WSServletContextListener.java:152)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2011-12-15 13:50:50,125 ERROR [org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/nuxeo]] Exception sending context initialized event to listener instance of class com.sun.xml.ws.transport.http.servlet.WSServletContextListener
com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to parse runtime descriptor: java.lang.NoSuchMethodError: com.sun.xml.bind.v2.model.nav.Navigator.isFinalMethod(Ljava/lang/Object;)Z
at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.parseAdaptersAndCreateDelegate(WSServletContextListener.java:141)
at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.contextInitialized(WSServletContextListener.java:152)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3934)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4429)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:526)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:630)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:556)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:491)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1206)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:314)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:583)
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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.lang.NoSuchMethodError: com.sun.xml.bind.v2.model.nav.Navigator.isFinalMethod(Ljava/lang/Object;)Z
at com.sun.xml.ws.model.AbstractWrapperBeanGenerator.getExceptionProperties(AbstractWrapperBeanGenerator.java:354)
at com.sun.xml.ws.model.AbstractWrapperBeanGenerator.collectExceptionBeanMembers(AbstractWrapperBeanGenerator.java:317)
at com.sun.xml.ws.model.WrapperBeanGenerator.createExceptionBean(WrapperBeanGenerator.java:345)
at com.sun.xml.ws.model.RuntimeModeler.getExceptionBeanClass(RuntimeModeler.java:306)
at com.sun.xml.ws.model.RuntimeModeler.processExceptions(RuntimeModeler.java:1081)
at com.sun.xml.ws.model.RuntimeModeler.processDocWrappedMethod(RuntimeModeler.java:815)
at com.sun.xml.ws.model.RuntimeModeler.processMethod(RuntimeModeler.java:586)
at com.sun.xml.ws.model.RuntimeModeler.processClass(RuntimeModeler.java:366)
at com.sun.xml.ws.model.RuntimeModeler.buildRuntimeModel(RuntimeModeler.java:246)
at com.sun.xml.ws.server.EndpointFactory.createSEIModel(EndpointFactory.java:343)
at com.sun.xml.ws.server.EndpointFactory.createEndpoint(EndpointFactory.java:205)
at com.sun.xml.ws.api.server.WSEndpoint.create(WSEndpoint.java:513)
at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parseAdapters(DeploymentDescriptorParser.java:257)
at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parse(DeploymentDescriptorParser.java:151)
at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.parseAdaptersAndCreateDelegate(WSServletContextListener.java:131)
... 25 more