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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Recursive read lock acquisitions not allowed in this mode.Recursive read lock acquisitions not allowed in this mode.
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1/9/2013 6:45 PM
 
I am running a security scan against our DNN web site and reported several Server Errors with System.Threading.LockRecursionException. Is it possible that the DNN web server is being overwhelmed the scanning process which results in Read Lock exception whenever the server reads the Host settings stored in the DNN data cache?Here is the stack trace:Recursive read lock acquisitions not allowed in this mode.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.Threading.LockRecursionException: Recursive read lock acquisitions not allowed in this mode.Source Error:An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.Stack Trace:[LockRecursionException: Recursive read lock acquisitions not allowed in this mode.] System.Threading.ReaderWriterLockSlim.TryEnterReadLock(Int32 millisecondsTimeout) +415123 System.Threading.ReaderWriterLockSlim.TryEnterReadLock(TimeSpan timeout) +100 DotNetNuke.Collections.Internal.ReaderWriterLockStrategy.GetReadLock(TimeSpan timeout) +40 DotNetNuke.Collections.Internal.SharedDictionary`2.GetReadLock(TimeSpan timeOut) +39 DotNetNuke.Collections.Internal.SharedDictionary`2.GetReadLock() +58 DotNetNuke.Common.Utilities.DataCache.GetCachedDataFromDictionary(CacheItemArgs cacheItemArgs, CacheItemExpiredCallback cacheItemExpired) +59 DotNetNuke.Common.Utilities.DataCache.GetCachedData(CacheItemArgs cacheItemArgs, CacheItemExpiredCallback cacheItemExpired, Boolean storeInDictionary) +16 DotNetNuke.Entities.Controllers.HostController.GetSettings() +105 DotNetNuke.Entities.Controllers.HostController.GetString(String key, String defaultValue) +31 DotNetNuke.Entities.Controllers.HostController.GetString(String key) +13 DotNetNuke.HttpModules.RewriterUtils.OmitFromRewriteProcessing(String localPath) +51 DotNetNuke.HttpModules.RequestFilter.RequestFilterModule.FilterRequest(Object sender, EventArgs e) +168 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
 
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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Recursive read lock acquisitions not allowed in this mode.Recursive read lock acquisitions not allowed in this mode.


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