I don't think very many people are using backends... and since a lot of the support here comes from the community, your question is a little esoteric.
Try disabling appstats on the backend. Maybe appstats is incompatible with backends. Jeff On Thu, Dec 22, 2011 at 3:53 AM, Rick Mangi <r...@broadcastr.com> wrote: > Apparently they do not. It's amazing that a product with such horrid > customer support has so many users. That's not likely to continue now > that the paas market has competition. > > > On Dec 19, 6:41 pm, Rick Mangi <r...@broadcastr.com> wrote: >> Do the google app engine developers even read these messages? It's >> amazing how few questions in this group actually seem to get answered >> compared to open source projects... >> >> On Dec 16, 5:02 pm, Rick Mangi <r...@broadcastr.com> wrote: >> >> >> >> > After adding a backends.xml file to my application I'm no longer able >> > to startup my development environment. Has anybody seen this before? >> > Removing the file clears everything up, but I really need to get a >> > backend running :-) >> >> > [ERROR] Unable to start App Engine server >> > java.lang.ClassCastException: >> > com.google.appengine.tools.appstats.Recorder cannot be cast to >> > com.google.appengine.tools.development.ApiProxyLocal >> > Unable to start embedded HTTP server >> > com.google.gwt.core.ext.UnableToCompleteException: (see previous log >> > entries) >> > at >> > com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngin >> > eLauncher.java: >> > 102) >> > at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509) >> > at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068) >> > at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811) >> > at com.google.gwt.dev.DevMode.main(DevMode.java:311) >> > at >> > com.google.appengine.tools.development.AbstractContainerService.startup(Abs >> > tractContainerService.java: >> > 235) >> > at com.google.appengine.tools.development.BackendServers >> > $ServerWrapper.startup(BackendServers.java:816) >> > at >> > com.google.appengine.tools.development.BackendServers.startupAll(BackendSer >> > vers.java: >> > 304) >> > at >> > com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerI >> > mpl.java: >> > 155) >> > at >> > com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngin >> > eLauncher.java: >> > 97) >> > at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509) >> > at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068) >> > at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811) >> > at com.google.gwt.dev.DevMode.main(DevMode.java:311) >> > [ERROR] shell failed in doStartupServer method >> >> > I don't see anything wrong with my backends.xml --> >> >> > <backends> >> > <backend name="thumbnailservicebatchoptimize"> >> > <class>B2</class> >> > <instances>1</instances> >> > <options> >> > <dynamic>true</dynamic> >> > <fail-fast>true</fail-fast> >> > <public>true</public> >> > </options> >> > </backend> >> > </backends> >> >> > Thanks for any help! >> >> > Rick Mangi > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to google-appengine-java@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > -- We are the 20% -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
