我们正在切换到Windows Server 2008 R2 64位服务器，并且看到了一些问题。我们的Windows服务在Windows事件日志中抛出“AccessViolationException”异常。我们的旧版Windows 2003 32位服务器上从未遇到此问题。唯一的应用程序更改是重新编译为64位应用程序。

我不知道这是代码问题还是服务器设置问题。任何人都有任何想法为什么会这样？

更新

以下是两个堆栈跟踪：

Application: MyApplication1.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.AccessViolationException

Stack:

at Devart.Data.Oracle.OracleConnection.BeginTransaction(System.Data.IsolationLevel)

at MyApplication.AlertWorkerBase.persistErrors(System.String, System.String, Char)

at MyApplication.AlertWorkerBase.StartAlertWorker()

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)

at System.Threading.ThreadHelper.ThreadStart()

Application: MyApplication2.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.AccessViolationException

Stack:

at System.Threading.Thread.InternalCrossContextCallback(System.Runtime.Remoting.Contexts.Context, IntPtr, Int32, System.Threading.InternalCrossContextDelegate, System.Object[])

at System.Runtime.Remoting.Activation.ActivationServices.DoCrossContextActivation(System.Runtime.Remoting.Activation.IConstructionCallMessage)

at System.Runtime.Remoting.Messaging.ClientContextTerminatorSink.SyncProcessMessage(System.Runtime.Remoting.Messaging.IMessage)

at System.Runtime.Remoting.Activation.ActivationServices.Activate(System.Runtime.Remoting.Proxies.RemotingProxy, System.Runtime.Remoting.Activation.IConstructionCallMessage)

at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(System.Runtime.Remoting.Messaging.IMessage)

at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(System.Runtime.Remoting.Proxies.MessageData ByRef, Int32)

at MyApplication2.SessStatsLookup..ctor(Energy.VT.Common.ApplicationParameters)

at MyApplication2.TCPConnection.ClientHandler.Initialize(MyApplication2.ApplicationParameters)

at MyApplication2.TCPConnection.ClientHandler.ServeClient()

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)

at System.Threading.ThreadHelper.ThreadStart()