com.google.apphosting.api.ApiProxy$UnknownException: An error occurred
for the API request datastore_v3.RunQuery().
at
com.google.apphosting.runtime.ApiProxyImpl.doSyncCall(ApiProxyImpl.java:235)
at
com.google.apphosting.runtime.ApiProxyImpl.access$000(ApiProxyImpl.java:43)
at
com.google.apphosting.runtime.ApiProxyImpl$1.run(ApiProxyImpl.java:96)
at
com.google.apphosting.runtime.ApiProxyImpl$1.run(ApiProxyImpl.java:94)
at java.security.AccessController.doPrivileged(Native Method)
at
com.google.apphosting.runtime.ApiProxyImpl.makeSyncCall(ApiProxyImpl.java:94)
at
com.google.apphosting.runtime.ApiProxyImpl.makeSyncCall(ApiProxyImpl.java:43)
at com.google.apphosting.api.ApiProxy.makeSyncCall(ApiProxy.java:83)
at
com.google.appengine.api.datastore.DatastoreApiHelper.makeSyncCall(DatastoreApiHelper.java:52)
at
com.google.appengine.api.datastore.DatastoreServiceImpl$PreparedQueryImpl.runQuery(DatastoreServiceImpl.java:388)
at
com.google.appengine.api.datastore.DatastoreServiceImpl$PreparedQueryImpl.asIterator(DatastoreServiceImpl.java:349)
at
com.google.appengine.api.datastore.DatastoreServiceImpl$PreparedQueryImpl$1.iterator(DatastoreServiceImpl.java:326)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.lookupOneToOneChild(DatastoreRelationFieldManager.java:320)
at
org.datanucleus.store.appengine.DatastoreRelationFieldManager.fetchRelationField(DatastoreRelationFieldManager.java:278)
at
org.datanucleus.store.appengine.DatastoreFieldManager.fetchObjectField(DatastoreFieldManager.java:269)
at
org.datanucleus.state.AbstractStateManager.replacingObjectField(AbstractStateManager.java:1197)
at
com.evo.adm.contract.server.ContractEntity.jdoReplaceField(ContractEntity.java)
at
com.evo.adm.contract.server.ContractEntity.jdoReplaceFields(ContractEntity.java)
at
org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2772)
at
org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2791)
at
org.datanucleus.store.appengine.DatastorePersistenceHandler.fetchObject(DatastorePersistenceHandler.java:443)
at
org.datanucleus.state.JDOStateManagerImpl.loadSpecifiedFields(JDOStateManagerImpl.java:1519)
at
org.datanucleus.state.JDOStateManagerImpl.isLoaded(JDOStateManagerImpl.java:1925)
at
com.evo.adm.contract.server.ContractEntity.jdoGetdevice(ContractEntity.java)
at
com.evo.adm.contract.server.ContractEntity.getDevice(ContractEntity.java:171)
at
com.evo.adm.contract.server.ContractServiceImpl.hackContractToLoadAllInnerFields(ContractServiceImpl.java:416)
at
com.evo.adm.contract.server.ContractServiceImpl.findAll(ContractServiceImpl.java:240)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c.CGLIB$findAll$12(<generated>)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c$$FastClassByGuice$$6fc7e085.invoke(<generated>)
at
com.google.inject.internal.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at
com.google.inject.internal.ProxyFactory$1.intercept(ProxyFactory.java:48)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c.findAll(<generated>)
at
com.evo.adm.contract.server.ContractServiceImpl.findAllAsJson(ContractServiceImpl.java:260)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c.CGLIB$findAllAsJson$2(<generated>)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c$$FastClassByGuice$$6fc7e085.invoke(<generated>)
at
com.google.inject.internal.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at
com.google.inject.internal.ProxyFactory$1.intercept(ProxyFactory.java:48)
at
com.evo.adm.contract.server.ContractServiceImpl$$EnhancerByGuice$$f4bafd8c.findAllAsJson(<generated>)
at
com.evo.adm.contract.server.ContractServiceServlet.handleGetContractByOffset(ContractServiceServlet.java:175)
at
com.evo.adm.contract.server.ContractServiceServlet.doPost(ContractServiceServlet.java:148)
at
com.evo.adm.contract.server.ContractServiceServlet.doGet(ContractServiceServlet.java:106)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
at
com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:216)
at
com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:141)
at
com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:95)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
at
com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:134)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
at com.evo.adm.SecurityFilter.doFilter(SecurityFilter.java:40)
at
com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:129)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
at
com.wideplay.warp.persist.PersistenceFilter$3.run(PersistenceFilter.java:141)
at
com.wideplay.warp.persist.internal.Lifecycles.failEarlyAndLeaveNoOneBehind(Lifecycles.java:29)
at
com.wideplay.warp.persist.PersistenceFilter.doFilter(PersistenceFilter.java:155)
at
com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:129)
at
com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
at
com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:122)
at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:110)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
at
com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:313)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830)
at
com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
at
com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135)
at
com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:235)
at
com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5235)
at
com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5233)
at
com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24)
at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:363)
at com.google.net.rpc.impl.Server$2.run(Server.java:838)
at
com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56)
at
com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:536)
at com.google.net.rpc.impl.Server.startRpc(Server.java:793)
at com.google.net.rpc.impl.Server.processRequest(Server.java:368)
at com.go
Does anyone has an idea what is causing the following exception ?
In my case this happens when application is trying to select 10 records
starting from a given offset. Note that most of the requests are
completed successfully but any of them are causing the exception shown
above.
Regards,
Miroslav
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