带有GWT的AppEngine上的Guice供应错误

时间：2012-01-27 17:39:42

标签： google-app-engine gwt guice gwt-platform

我们在与Guice相关的GWT / GAE应用程序中偶尔会收到错误。堆栈跟踪如下。

大多数情况下，它仅持续几分钟而且只有少数请求。最新的是今天早上发生了近一个小时的20多次请求。

每个错误似乎都在同一个地方：HttpSessionSecurityCookieFilter.getSession。

com.google.inject.ProvisionException: Guice provision errors:

1) Error in custom provider, com.google.apphosting.api.DeadlineExceededException: This request (23283a43283f7eb3) started at 2012/01/27 14:47:06.787 UTC and was still executing at 2012/01/27 14:48:06.670 UTC.
  at com.google.inject.servlet.InternalServletModule.provideHttpSession(InternalServletModule.java:103)
  while locating javax.servlet.http.HttpSession

1 error
    at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:977)
    at com.gwtplatform.dispatch.server.guice.HttpSessionSecurityCookieFilter.getSession(HttpSessionSecurityCookieFilter.java:54)
    at com.gwtplatform.dispatch.server.AbstractHttpSessionSecurityCookieFilter.doFilter(AbstractHttpSessionSecurityCookieFilter.java:62)
    at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:162)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)
    at org.mortbay.jetty.servlet.ServletHandler$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$RequestRunnable.run(JavaRuntime.java:422)
    at com.google.tracing.TraceContext$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$PoolEntry.run(ThreadGroupPool.java:251)
    at java.lang.Thread.run(Thread.java:679)
Caused by: com.google.apphosting.api.DeadlineExceededException: This request (23283a43283f7eb3) started at 2012/01/27 14:47:06.787 UTC and was still executing at 2012/01/27 14:48:06.670 UTC.
    at sun.misc.Unsafe.park(Native Method)
    at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1326)
    at com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:258)
    at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:91)
    at com.google.appengine.tools.development.TimedFuture.get(TimedFuture.java:41)
    at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
    at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
    at com.google.appengine.api.datastore.FutureHelper$CumulativeAggregateFuture.get(FutureHelper.java:144)
    at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:90)
    at com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:72)
    at com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:33)
    at com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:113)
    at com.google.appengine.api.datastore.DatastoreServiceImpl$2.runInternal(DatastoreServiceImpl.java:110)
    at com.google.appengine.api.datastore.TransactionRunner.runInTransaction(TransactionRunner.java:31)
    at com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:110)
    at com.google.appengine.api.datastore.DatastoreServiceImpl.put(DatastoreServiceImpl.java:94)
    at org.mortbay.jetty.servlet.AbstractSessionManager.newHttpSession(AbstractSessionManager.java:413)
    at org.mortbay.jetty.Request.getSession(Request.java:1242)
    at org.mortbay.jetty.Request.getSession(Request.java:1214)
    at com.google.inject.servlet.InternalServletModule.provideHttpSession(InternalServletModule.java:103)
    at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:43)
    at com.google.inject.internal.ProviderMethod.get(ProviderMethod.java:104)
    at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
    at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:968)
    at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1014)
    at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:964)
    at com.gwtplatform.dispatch.server.guice.HttpSessionSecurityCookieFilter.getSession(HttpSessionSecurityCookieFilter.java:54)
    at com.gwtplatform.dispatch.server.AbstractHttpSessionSecurityCookieFilter.doFilter(AbstractHttpSessionSecurityCookieFilter.java:62)
    at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:162)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)
    at org.mortbay.jetty.servlet.ServletHandler$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)

1 个答案:

答案 0 :(得分：1)

您的请求持续时间超过30秒，这就是您获得例外的原因。解决这个问题的唯一方法是减少执行请求的时间。

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