Our app is also getting deadline exceeded errors, it blocks on on the
DataStore access.
See the following stack trace:
com.google.apphosting.api.DeadlineExceededException: This request
(49e2967d2f129358) started at 2010/11/02 17:53:38.372 UTC and was still
executing at 2010/11/02 17:54:07.613 UTC.
at java.lang.Object.wait(Native Method) ~[na:1.6.0-google-internal]
at java.lang.Object.wait(Object.java:502) ~[na:1.6.0-google-internal]
at com.google.apphosting.runtime.AsyncFuture.get(AsyncFuture.java:54)
~[na:na]
at
com.google.apphosting.runtime.ApiProxyImpl$AsyncApiFuture.get(ApiProxyImpl.java:412)
~[na:na]
at
com.google.apphosting.runtime.ApiProxyImpl$AsyncApiFuture.get(ApiProxyImpl.java:244)
~[na:na]
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:42)
~[appengine-api.jar:na]
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:42)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:71)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:32)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.QueryResultsSourceImpl.loadMoreEntities(QueryResultsSourceImpl.java:69)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.QueryResultIteratorImpl.ensureLoaded(QueryResultIteratorImpl.java:169)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.QueryResultIteratorImpl.nextList(QueryResultIteratorImpl.java:115)
~[appengine-api.jar:na]
at
com.google.appengine.api.datastore.PreparedQueryImpl.asList(PreparedQueryImpl.java:71)
~[appengine-api.jar:na]
at
...
... // our code...
...
~[BaseServlet.class:na]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
~[na:na]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
~[na:na]
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
~[na:na]
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
~[na:na]
at
com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97)
~[appengine-api.jar:na]
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
~[na:na]
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
~[na:na]
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
~[na:na]
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
~[appengine-api.jar:na]
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
~[na:na]
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
~[na:na]
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
~[na:na]
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
~[na:na]
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
~[na:na]
at
org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
~[na:na]
at
com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
~[na:na]
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
~[na:na]
at org.mortbay.jetty.Server.handle(Server.java:326) ~[na:na]
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
~[na:na]
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923)
~[na:na]
at
com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
~[na:na]
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
~[na:na]
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
~[na:na]
at
com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:261)
~[na:na]
at
com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:8486)
~[na:na]
at
com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:8484)
~[na:na]
at
com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24)
~[na:na]
at
com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:418)
~[na:na]
at
com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:572)
~[na:na]
at
com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:448)
~[na:na]
at
com.google.tracing.TraceContext.runInContext(TraceContext.java:688)
~[na:na]
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:326)
~[na:na]
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:318)
~[na:na]
at
com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:446)
~[na:na]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
~[na:1.6.0-google-internal]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
~[na:1.6.0-google-internal]
at java.lang.Thread.run(Thread.java:636) ~[na:1.6.0-google-internal]
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