Vues :

Behavior:
In your Content Server error logfile (automatically created at  %allusersprofile%\DocuWare\Logs\DWContentServer_Errors.***.log) you can find errors like this:

Transaction (Process ID 154) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.

Additional information: 
object_type : Exception
event_type : 
Code location - full exception trace : Transaction (Process ID 154) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
 at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
 at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
 at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
 at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
 at System.Data.SqlClient.SqlDataReader.TryHasMoreRows(Boolean& moreRows)
 at System.Data.SqlClient.SqlDataReader.TryReadInternal(Boolean setTimeout, Boolean& more)
 at System.Data.SqlClient.SqlDataReader.Read()
 at DocuWare.DWTaskEngine.DWTaskHandler.TakeTask(TaskTypeEnum Type, DateTime nextStartTime, CancellationTokenSource cancellationToken)
Additional text : 

 1) Exception Information

 Exception Type: System.Data.SqlClient.SqlException
 Errors: System.Data.SqlClient.SqlErrorCollection
 ClientConnectionId: 6982719a-89c1-469d-bf8c-faf9ed15edf6
 Class: 13
 LineNumber: 1
 Number: 1205
 Procedure: 
 Server: dw-emea-db.emea.docuware.cloud,1433
 State: 51
 ErrorCode: -2146232060
 Message: Transaction (Process ID 154) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
 TargetSite: Void OnError(System.Data.SqlClient.SqlException, Boolean, System.Action`1[System.Action])
 HResult: -2146232060
Logging Level : Error
Message Text : Transaction (Process ID 154) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
Assembly : DocuWare.DWTaskEngine, Version=6.7.0.0, Culture=neutral, PublicKeyToken=879da714589ba9ea
Code location - calling class : DWTaskHandler
Code location - calling method : DocuWare.Databases.DWSystem.MainDWTaskTable TakeTask(DocuWare.Common.TaskEngine.TaskTypeEnum, System.DateTime, System.Threading.CancellationTokenSource)
Computer name : DW-EMEA-PL0
Date : 2015/04/09
Time : 7:00:48 PM
DocuWare.Common.Logging.TimeMS : 787
Application : DWContentServer
Thread ID : 27
Windows ID : EMEA\dwservice
Solution:
This is not a problem at all. There is no data loss, the only side effect is that documents will be processed a few seconds later. With Docuware version 6.8 we introduce some changes in task handling and this message will be gone.