Just to add some extra info here in case it helps someone. I got this error while running my tests. It started when I updated from an older version of the App Engine SDK to 1.4.2. The jar files I had on my integration test classpath were from the old version and I needed to update them by overwritin them from the new distribution.
The files in question were: appengine-api-labs.jar appengine-api-stubs.jar appengine-api.jar appengine-testing.jar And appengine-testing.jar is actually on the classpath for compiling the tests, the others are just required as runtime dependencies. Cheers, Ashley On Feb 14, 12:10 pm, James Broberg <[email protected]> wrote: > It was a dumb missing jar error, nothing to see here. > > On 11 February 2011 19:33, James Broberg <[email protected]> wrote: > > > Hi folks, > > > Just set up a new dev environment on Linux with an existing codebase > > of mine and came across an odd error I hadn't encountered before. > > > Has anyone seen the below error? I'm fairly certain memcache is the > > problem, not appstats, as I get a similar "java.lang.NoSuchFieldError: > > alwaysUseFieldBuilders" error any time I do anything memcache related. > > > HTTP ERROR 500 > > > Problem accessing /stats. Reason: > > > alwaysUseFieldBuilders > > Caused by: > > > java.lang.NoSuchFieldError: alwaysUseFieldBuilders > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto.access$5600(StatsProtos.java:3026) > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto$Builder.maybeForceBuilderInitialization(StatsProtos.java:3590) > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto$Builder.<init>(StatsProtos.java:3582) > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto$Builder.create(StatsProtos.java:3597) > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto$Builder.access$5400(StatsProtos.java:3567) > > at > > com.google.appengine.tools.appstats.StatsProtos$RequestStatProto.newBuilder(StatsProtos.java:3554) > > at > > com.google.appengine.tools.appstats.MemcacheWriter.begin(MemcacheWriter.java:94) > > at > > com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter.java:117) > > at > > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > > at > > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:58) > > at > > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > > at > > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) > > at > > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > > at > > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:122) > > at > > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > > at > > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) > > at > > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > > at > > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > > at > > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > > at > > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) > > at > > com.google.apphosting.utils.jetty.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:70) > > at > > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > > at > > com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:349) > > at > > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > > at org.mortbay.jetty.Server.handle(Server.java:326) > > at > > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > > at > > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) > > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:547) > > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) > > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > > at > > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) > > at > > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) > > > cheers > > > James > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
