我的Umbraco 7.2.6日志文件中出现了很多错误。有时CMS坏了，需要重启IIS或浏览器。所有错误都是加载或保存XML锁定或线程中止的事情。我在一个简单的共享托管环境中使用默认的Umbraco配置。
但它经常运作良好。 （所以没有文件许可或我期待的事情）
有什么问题？
2015-07-07 09:45:02,833 [10] INFO umbraco.BusinessLogic.Log - [T15/D3] Log scrubbed. Removed all items older than 2015-05-08 09:45:02
2015-07-07 09:45:40,726 [10] ERROR umbraco.content - [T8/D3] Failed to load Xml from file.
System.Threading.ThreadAbortException: Thread was being aborted.
at System.Threading.WaitHandle.WaitOneNative(SafeHandle waitableSafeHandle, UInt32 millisecondsTimeout, Boolean hasThreadAffinity, Boolean exitContext)
at System.Threading.WaitHandle.InternalWaitOne(SafeHandle waitableSafeHandle, Int64 millisecondsTimeout, Boolean hasThreadAffinity, Boolean exitContext)
at System.Threading.WaitHandle.WaitOne(Int32 millisecondsTimeout, Boolean exitContext)
at System.Threading.WaitHandle.WaitOne(Int32 millisecondsTimeout)
at Umbraco.Core.AsyncLock.Lock(Int32 millisecondsTimeout)
at umbraco.content.EnsureFileLock()
at umbraco.content.LoadXmlFromFile()
2015-07-07 09:45:40,741 [10] ERROR Umbraco.Web.WebServices.ScheduledPublishController - [T55/D3] Error executing scheduled task
System.Threading.ThreadAbortException: Thread was being aborted.
at umbraco.content.LoadXmlFromFile()
at umbraco.content.LoadXmlLocked(SafeXmlReaderWriter safeXml, Boolean& registerXmlChange)
at umbraco.content..ctor()
at umbraco.content.<.cctor>b__17()
at System.Lazy`1.CreateValue()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Lazy`1.LazyInitValue()
at System.Lazy`1.get_Value()
at Umbraco.Web.WebServices.ScheduledPublishController.Index()
2015-07-07 09:45:40,757 [10] ERROR Umbraco.Web.Scheduling.ScheduledPublishing - [T7/D3] An error occurred with the scheduled publishing. The base url used in the request was: http://acc.xxxxxxx.nl:80/umbraco/, see http://our.umbraco.org/documentation/Using-Umbraco/Config-files/umbracoSettings/#ScheduledTasks documentation for details on setting a baseUrl if this is in error
System.Net.WebException: The remote server returned an error: (400) Bad Request.
at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
at System.Net.WebClient.UploadString(Uri address, String method, String data)
at System.Net.WebClient.UploadString(String address, String data)
at Umbraco.Web.Scheduling.ScheduledPublishing.PerformRun()
2015-07-07 09:46:14,905 [10] INFO Umbraco.Core.PluginManager - [T19/D3] Starting resolution types of Umbraco.Core.PropertyEditors.IParameterEditor
2015-07-07 12:55:10,801 [17] ERROR umbraco.content - [T18/D11] Failed to save Xml to file.
System.TimeoutException: Failed to enter the lock within timeout.
at Umbraco.Core.AsyncLock.Lock(Int32 millisecondsTimeout)
at umbraco.content.EnsureFileLock()
at umbraco.content.<SaveXmlToFileAsync>d__d.MoveNext()
2015-07-07 14:03:09,702 [9] ERROR umbraco.content - [T7/D3] Failed to load Xml from file.
System.TimeoutException: Failed to enter the lock within timeout.
at Umbraco.Core.AsyncLock.Lock(Int32 millisecondsTimeout)
at umbraco.content.EnsureFileLock()
at umbraco.content.LoadXmlFromFile()