我试图在Sitecore的7.2初始版本安装用于营销2.4的WebForms。 安装过程将只是挂，并且永远不会完成。 我最终恢复数据库从备份，并恢复该文件结构。 然而，我们开始看到在日志中这些错误的数百（1300+在过去12个小时）：
ManagedPoolThread #11 23:59:31 ERROR Could not update index entry. Action: 'Saved', Item: '{656E306F-8837-42E6-8334-38E44D39B736}'
Exception: System.Threading.LockRecursionException
Message: Recursive read lock acquisitions not allowed in this mode.
Source: System.Core
at System.Threading.ReaderWriterLockSlim.TryEnterReadLockCore(TimeoutTracker timeout)
at System.Threading.ReaderWriterLockSlim.TryEnterReadLock(TimeoutTracker timeout)
at System.Threading.ReaderWriterLockSlim.TryEnterReadLock(Int32 millisecondsTimeout)
at Sitecore.Search.IndexDeleteContext..ctor(ILuceneIndex index)
at Sitecore.Search.Crawlers.DatabaseCrawler.DeleteItem(Item item)
at Sitecore.Search.Crawlers.DatabaseCrawler.UpdateItem(Item item)
at System.EventHandler.Invoke(Object sender, EventArgs e)
at Sitecore.Data.Managers.IndexingProvider.UpdateItem(HistoryEntry entry, Database database)
at Sitecore.Data.Managers.IndexingProvider.UpdateIndex(HistoryEntry entry, Database database)
FYI ......所有这些错误的引用GUID的这些7个项目：
/sitecore/system/Tasks/Schedules/CleanOutItemLocksTask
/sitecore/system/Tasks/Schedules/Email Reports schedule
/sitecore/system/Tasks/Schedules/ldapScheduleTask
/sitecore/system/Tasks/Schedules/SyncEverythingTask
/sitecore/system/Tasks/Schedules/UpdateNewsEventsCategories
/sitecore/system/Tasks/Schedules/SyncHotItems
/sitecore/system/Tasks/Schedules/UpdateTbisTags
我的第一个补丁是重建索引。 重建核心，法师和Web数据库索引成功。 重建的“快速搜索索引”产生这个错误：
Job started: RebuildSearchIndex|System.Threading.LockRecursionException:
Recursive read lock acquisitions not allowed in this mode.
at System.Threading.ReaderWriterLockSlim.TryEnterReadLockCore(TimeoutTracker timeout)
at System.Threading.ReaderWriterLockSlim.TryEnterReadLock(TimeoutTracker timeout)
at System.Threading.ReaderWriterLockSlim.TryEnterReadLock(Int32 millisecondsTimeout)
at Sitecore.Search.IndexUpdateContext..ctor(ILuceneIndex index)
at Sitecore.Search.Index.Rebuild()
at Sitecore.Shell.Applications.Search.RebuildSearchIndex.RebuildSearchIndexForm.Builder.Build()|Job ended: RebuildSearchIndex (units processed: )
我仍然在谷歌上搜索可能的解决办法，但我会为你可能对这个有什么建议表示感谢。
