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This feature is only available to backend instances.
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via Google Groups by dab7 via StackOverflow, 6 months ago
This feature is only available to backend instances.
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This feature is only available to backend instances.
java.lang.IllegalStateException: This feature is only available to backend instances. at com.google.appengine.api.system.SystemServiceImpl.translateException(SystemServiceImpl.java:40) at com.google.appengine.api.system.SystemServiceImpl.startBackgroundRequest(SystemServiceImpl.java:28) at com.google.firebase.database.utilities.DefaultRunLoop$FirebaseThreadFactory.newThread(DefaultRunLoop.java:13) at java.util.concurrent.ThreadPoolExecutor$Worker.<init>(ThreadPoolExecutor.java:600) at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:943) at java.util.concurrent.ThreadPoolExecutor.ensurePrestart(ThreadPoolExecutor.java:1635) at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:307) at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:526) at com.google.firebase.database.connection.PersistentConnectionImpl.doIdleCheck(PersistentConnectionImpl.java:1098) at com.google.firebase.database.connection.PersistentConnectionImpl.<init>(PersistentConnectionImpl.java:266) at com.google.firebase.database.core.GaePlatform.newPersistentConnection(GaePlatform.java:128) at com.google.firebase.database.core.Context.newPersistentConnection(Context.java:195) at com.google.firebase.database.core.Repo.<init>(Repo.java:64) at com.google.firebase.database.core.RepoManager.createLocalRepo(RepoManager.java:87) at com.google.firebase.database.core.RepoManager.createRepo(RepoManager.java:28) at com.google.firebase.database.FirebaseDatabase.ensureRepo(FirebaseDatabase.java:249) at com.google.firebase.database.FirebaseDatabase.getReference(FirebaseDatabase.java:114) at com.safran.contactify.backend.RunMeNowEndpoint.insert(RunMeNowEndpoint.java:105) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:44) at com.google.api.server.spi.SystemService.invokeServiceMethod(SystemService.java:363) at com.google.api.server.spi.SystemServiceServlet.execute(SystemServiceServlet.java:113) at com.google.api.server.spi.SystemServiceServlet.doPost(SystemServiceServlet.java:71) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at com.googlecode.objectify.ObjectifyFilter.doFilter(ObjectifyFilter.java:48) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler$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 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$RequestHandler.headerComplete(HttpConnection.java:923) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:439) at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:446) at com.google.tracing.CurrentContext.runInContext(CurrentContext.java:256) at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:310) at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:302) at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:443) at java.lang.Thread.run(Thread.java:745)