This looks bad, but maybe not since I don't know what the message is. Can someone shed some light on this (while I look into the 10 other upgrade failures)? "unable_start_container" might have some clues as to why the instance is up according to GMS but won't respond to web requests.
[#|2010-09-29T15:26:11.740-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;|java.util.MissingResourceException: Can't find resource for bundle java.util.PropertyResourceBundle, key core.unable_start_container|#]
[#|2010-09-29T15:26:11.741-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at java.util.ResourceBundle.getObject(ResourceBundle.java:374)|#]
[#|2010-09-29T15:26:11.742-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at java.util.ResourceBundle.getString(ResourceBundle.java:334)|#]
[#|2010-09-29T15:26:11.742-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.v3.services.impl.WebContainerStarter.startWebContainer(WebContainerStarter.java:211)|#]
[#|2010-09-29T15:26:11.743-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.v3.services.impl.WebContainerStarter.postConstruct(WebContainerStarter.java:133)|#]
[#|2010-09-29T15:26:11.743-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.AbstractWombImpl.inject(AbstractWombImpl.java:109)|#]
[#|2010-09-29T15:26:11.743-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.ConstructorWomb.initialize(ConstructorWomb.java:92)|#]
[#|2010-09-29T15:26:11.743-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.AbstractWombImpl.get(AbstractWombImpl.java:68)|#]
[#|2010-09-29T15:26:11.744-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.SingletonInhabitant.get(SingletonInhabitant.java:59)|#]
[#|2010-09-29T15:26:11.744-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.EventPublishingInhabitant.get(EventPublishingInhabitant.java:136)|#]
[#|2010-09-29T15:26:11.757-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.hk2.component.AbstractInhabitantImpl.get(AbstractInhabitantImpl.java:73)|#]
[#|2010-09-29T15:26:11.758-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.v3.server.AppServerStartup.run(AppServerStartup.java:239)|#]
[#|2010-09-29T15:26:11.759-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.v3.server.AppServerStartup.start(AppServerStartup.java:131)|#]
[#|2010-09-29T15:26:11.759-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.glassfish.bootstrap.GlassFishImpl.start(GlassFishImpl.java:76)|#]
[#|2010-09-29T15:26:11.760-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.glassfish.bootstrap.GlassFishMain$Launcher.launch(GlassFishMain.java:124)|#]
[#|2010-09-29T15:26:11.760-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)|#]
[#|2010-09-29T15:26:11.761-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)|#]
[#|2010-09-29T15:26:11.762-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)|#]
[#|2010-09-29T15:26:11.762-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at java.lang.reflect.Method.invoke(Method.java:597)|#]
[#|2010-09-29T15:26:11.763-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.glassfish.bootstrap.GlassFishMain.main(GlassFishMain.java:104)|#]
[#|2010-09-29T15:26:11.763-0400|SEVERE|glassfish3.1|null|_ThreadID=1;_ThreadName=main;| at com.sun.enterprise.glassfish.bootstrap.ASMain.main(ASMain.java:55)|#]
[#|2010-09-29T15:26:11.764-0400|INFO|glassfish3.1|javax.enterprise.system.core.com.sun.enterprise.v3.server|_ThreadID=1;_ThreadName=main;|Startup service failed to start : Can't find resource for bundle java.util.PropertyResourceBundle, key core.unable_start_container|#]