We are getting 500s due to uncaught ApiDeadlineExceededException in the
appstats filter for Java.
Is there a way to handle these beyond turning off appstats?
2012-03-24 09:16:49.137
Uncaught exception from servlet
com.google.apphosting.api.ApiProxy$ApiDeadlineExceededException: The API call
memcache.Set() took too long to respond and was cancelled.
at
com.google.apphosting.runtime.ApiProxyImpl$3.createDeadlineException(ApiProxyImpl.java:318)
at
com.google.appengine.tools.development.TimedFuture.get(TimedFuture.java:44)
at
com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
at
com.google.appengine.tools.appstats.RecordingFuture.get(RecordingFuture.java:99)
at
com.google.appengine.tools.appstats.Recorder.processRecordingFuture(Recorder.java:418)
at
com.google.appengine.tools.appstats.Recorder.processAsyncRpc(Recorder.java:391)
at
com.google.appengine.tools.appstats.RecordingFuture.maybeRecordStats(RecordingFuture.java:131)
at
com.google.appengine.tools.appstats.RecordingFuture.get(RecordingFuture.java:101)
at
com.google.appengine.tools.appstats.RecordingFuture$ExtendedFuture.get(RecordingFuture.java:44)
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
at
com.google.appengine.api.memcache.MemcacheServiceImpl.quietGet(MemcacheServiceImpl.java:28)
at
com.google.appengine.api.memcache.MemcacheServiceImpl.putAll(MemcacheServiceImpl.java:112)
at
com.google.appengine.tools.appstats.MemcacheWriter.persist(MemcacheWriter.java:247)
at
com.google.appengine.tools.appstats.MemcacheWriter.commit(MemcacheWriter.java:168)
at
com.google.appengine.tools.appstats.AppstatsFilter.doFilter(AppstatsFilter.java:151)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:102)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
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
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.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:249)
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$RequestHandler.headerComplete(HttpConnection.java:923)
at
com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
at
com.google.apphosting.runtime.JavaRuntime$RequestRunnable.run(JavaRuntime.java:446)
at
com.google.tracing.TraceContext$TraceContextRunnable.runInContext(TraceContext.java:449)
at
com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:455)
at com.google.tracing.TraceContext.runInContext(TraceContext.java:695)
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:333)
at
com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:325)
at
com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:453)
at
com.google.apphosting.runtime.ThreadGroupPool$PoolEntry.run(ThreadGroupPool.java:251)
at java.lang.Thread.run(Thread.java:679)
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