public override SearchErrorInfo GetStatus(SearchId searchId, out SearchStatus searchStatus)
        {
            MailboxSearchServer.Tracer.TraceFunction <string>((long)this.GetHashCode(), "MailboxSearchServer.GetStatus {0}", searchId.SearchName);
            SearchErrorInfo errorInfo = null;

            searchStatus = null;
            SearchStatus theSearchStatus = null;

            SearchUtils.ExWatsonWrappedCall(delegate()
            {
                MailboxSearchWorkItem mailboxSearchWorkItem = null;
                if (!this.searchWorkItemMap.TryGetValue(searchId, out mailboxSearchWorkItem))
                {
                    MailboxSearchServer.Tracer.TraceWarning <string>((long)this.GetHashCode(), "The search {0} is not started", searchId.SearchName);
                    errorInfo = new SearchErrorInfo(262658, Strings.SearchNotStarted);
                    return;
                }
                try
                {
                    theSearchStatus = mailboxSearchWorkItem.GetStatus();
                }
                catch (ExportException ex)
                {
                    MailboxSearchServer.Tracer.TraceError <ExportException>((long)this.GetHashCode(), "MailboxSearchServer.GetStatus error {0}", ex);
                    errorInfo = new SearchErrorInfo(-2147220991, ex);
                }
            });
            searchStatus = theSearchStatus;
            if (errorInfo != null && errorInfo.Failed)
            {
                MailboxSearchServer.LogErrorInfo("Error occured when trying to get the status of the search workitem", searchId, errorInfo);
            }
            return(errorInfo);
        }
        protected virtual void InternalShutdown()
        {
            this.shutdownEvent.Set();
            WaitHandle[] array = null;
            bool         flag  = false;

            try
            {
                Monitor.Enter(this, ref flag);
                MailboxSearchWorkItem currentItem = null;
                try
                {
                    array = this.searchWorkItemMap.Values.Select(delegate(MailboxSearchWorkItem workitem)
                    {
                        currentItem = workitem;
                        workitem.Abort(string.Empty);
                        return(workitem.WaitHandle);
                    }).ToArray <WaitHandle>();
                }
                catch (DataSourceOperationException ex)
                {
                    MailboxSearchServer.Tracer.TraceError <DataSourceOperationException>((long)this.GetHashCode(), "MailboxSearchServer.InternalShutdown error {0}", ex);
                    SearchEventLogger.Instance.LogDiscoverySearchServerErrorEvent("Exception occured when trying to abort search during shutdown", (currentItem != null) ? currentItem.SearchId.SearchName : null, (currentItem != null) ? currentItem.SearchId.MailboxDsName : null, ex);
                }
                this.pendingSearchIdMap.Clear();
            }
            finally
            {
                if (flag)
                {
                    Monitor.Exit(this);
                }
            }
            if (!array.IsNullOrEmpty <WaitHandle>())
            {
                WaitHandle.WaitAll(array);
            }
            if (this.workItemPumpingThread != null && this.workItemPumpingThread.IsAlive)
            {
                this.workItemPumpingThread.Join();
            }
        }
        private MailboxSearchWorkItem GetNextWorkItem()
        {
            MailboxSearchWorkItem mailboxSearchWorkItem = null;

            lock (this.workItemQueue)
            {
                mailboxSearchWorkItem = this.workItemQueue.FirstOrDefault((MailboxSearchWorkItem x) => x.IsEstimateOnly);
                if (mailboxSearchWorkItem == null)
                {
                    mailboxSearchWorkItem = this.workItemQueue.FirstOrDefault((MailboxSearchWorkItem x) => x.Action == WorkItemAction.Remove);
                    if (mailboxSearchWorkItem == null)
                    {
                        MailboxSearchWorkItem mailboxSearchWorkItem2 = this.workItemQueue.First <MailboxSearchWorkItem>();
                        if (this.copySearchesInProgress < ResponseThrottler.MaxRunningCopySearches)
                        {
                            mailboxSearchWorkItem = mailboxSearchWorkItem2;
                        }
                        else
                        {
                            SearchEventLogger.Instance.LogDiscoverySearchWorkItemQueueNotProcessedEvent(mailboxSearchWorkItem2.SearchId.SearchName, mailboxSearchWorkItem2.SearchId.MailboxDsName, mailboxSearchWorkItem2.Action.ToString(), mailboxSearchWorkItem2.IsEstimateOnly, this.workItemQueue.Count, this.searchWorkItemMap.Count, this.copySearchesInProgress, ResponseThrottler.MaxRunningCopySearches);
                        }
                    }
                }
                if (mailboxSearchWorkItem == null)
                {
                    this.queueSemaphore.Release();
                    this.workItemSemaphore.Release();
                }
                else
                {
                    this.workItemQueue.Remove(mailboxSearchWorkItem);
                    if (!mailboxSearchWorkItem.IsEstimateOnly && mailboxSearchWorkItem.Action == WorkItemAction.Start)
                    {
                        this.copySearchesInProgress++;
                    }
                    MailboxSearchServer.Tracer.TraceDebug <SearchId, ExDateTime>((long)this.GetHashCode(), "WorkItemPumpingThread start work item {0} at {1}", mailboxSearchWorkItem.SearchId, ExDateTime.Now);
                    SearchEventLogger.Instance.LogDiscoverySearchWorkItemQueueChangedEvent("DequeuedForProcessing", mailboxSearchWorkItem.SearchId.SearchName, mailboxSearchWorkItem.SearchId.MailboxDsName, mailboxSearchWorkItem.Action.ToString(), mailboxSearchWorkItem.IsEstimateOnly, this.workItemQueue.Count, this.searchWorkItemMap.Count, this.copySearchesInProgress, 0);
                }
            }
            return(mailboxSearchWorkItem);
        }
        private void WorkItemPumpingThreadEntry()
        {
            MailboxSearchWorkItem workItem = null;

            ExWatson.SendReportOnUnhandledException(delegate()
            {
                WaitHandle[] waitHandles = new WaitHandle[]
                {
                    this.shutdownEvent,
                    this.queueSemaphore
                };
                WaitHandle[] waitHandles2 = new WaitHandle[]
                {
                    this.shutdownEvent,
                    this.workItemSemaphore
                };
                while (WaitHandle.WaitAny(waitHandles) != 0)
                {
                    if (WaitHandle.WaitAny(waitHandles2) == 0)
                    {
                        MailboxSearchServer.Tracer.TraceDebug <ExDateTime>((long)this.GetHashCode(), "WorkItemPumpingThread received shutdown signal when waiting for work item resource, exiting at {0}", ExDateTime.Now);
                        return;
                    }
                    workItem = this.GetNextWorkItem();
                    if (workItem != null)
                    {
                        bool releaseSemaphore = !workItem.IsCompleted;
                        try
                        {
                            GrayException.MapAndReportGrayExceptions(delegate()
                            {
                                bool flag = true;
                                try
                                {
                                    lock (this)
                                    {
                                        switch (workItem.Action)
                                        {
                                        case WorkItemAction.Start:
                                            workItem.Start();
                                            break;

                                        case WorkItemAction.Remove:
                                            workItem.Remove();
                                            break;
                                        }
                                        flag = workItem.IsCompleted;
                                    }
                                }
                                finally
                                {
                                    if (flag)
                                    {
                                        this.RemoveWorkItem(workItem.SearchId, releaseSemaphore, workItem.IsEstimateOnly);
                                    }
                                }
                            });
                        }
                        catch (GrayException ex)
                        {
                            MailboxSearchServer.Tracer.TraceError <SearchId, Exception>((long)this.GetHashCode(), "WorkItem {0} has unhandled exception {1}, the work item is discarded!", workItem.SearchId, ex);
                            SearchEventLogger.Instance.LogDiscoverySearchServerErrorEvent("An unhandled exception occurred while processing the work item, ignoring and continuing the processing of queue", workItem.SearchId.SearchName, workItem.SearchId.MailboxDsName, ex);
                        }
                    }
                }
                MailboxSearchServer.Tracer.TraceDebug <ExDateTime>((long)this.GetHashCode(), "WorkItemPumpingThread received shutdown signal when waiting for Queue, exiting at {0}", ExDateTime.Now);
            }, delegate(object exception)
            {
                MailboxSearchServer.Tracer.TraceError((long)this.GetHashCode(), "ExWatsonWrappedCall: Unhandled exception {0}", new object[]
                {
                    exception
                });
                SearchEventLogger.Instance.LogDiscoverySearchServerErrorEvent("ExWatsonWrappedCall: Unhandled exception", (workItem != null) ? workItem.SearchId.SearchName : null, (workItem != null) ? workItem.SearchId.MailboxDsName : null, exception.ToString());
                return(!(exception is GrayException));
            });
        }
 private void QueueSearchForDeletion(SearchId searchId, bool removeLogs, ref SearchErrorInfo errorInfo)
 {
     try
     {
         MailboxSearchWorkItem mailboxSearchWorkItem = new MailboxSearchWorkItem(this, searchId);
         mailboxSearchWorkItem.PreRemove(removeLogs);
         if (!mailboxSearchWorkItem.IsCompleted)
         {
             this.searchWorkItemMap[mailboxSearchWorkItem.SearchId] = mailboxSearchWorkItem;
             lock (this.workItemQueue)
             {
                 this.workItemQueue.Insert(0, mailboxSearchWorkItem);
                 int num = this.queueSemaphore.Release();
                 MailboxSearchServer.Tracer.TraceDebug <SearchId, int, int>((long)this.GetHashCode(), "WorkItem '{0}' is enqueued for remove, Queue length is {1}, Semaphore signals {2}", searchId, this.workItemQueue.Count, num + 1);
                 SearchEventLogger.Instance.LogDiscoverySearchWorkItemQueueChangedEvent("EnqueuedAndAddedToRunningWorkItems", searchId.SearchName, searchId.MailboxDsName, mailboxSearchWorkItem.Action.ToString(), mailboxSearchWorkItem.IsEstimateOnly, this.workItemQueue.Count, this.searchWorkItemMap.Count, this.copySearchesInProgress, num + 1);
             }
         }
     }
     catch (FormatException ex)
     {
         MailboxSearchServer.Tracer.TraceError <FormatException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex);
         errorInfo = new SearchErrorInfo(-2147220988, ex);
     }
     catch (ArgumentException ex2)
     {
         MailboxSearchServer.Tracer.TraceError <ArgumentException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex2);
         errorInfo = new SearchErrorInfo(-2147220988, ex2);
     }
     catch (SearchObjectNotFoundException ex3)
     {
         MailboxSearchServer.Tracer.TraceError <SearchObjectNotFoundException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex3);
         errorInfo = new SearchErrorInfo(-2147220990, ex3);
     }
     catch (ObjectNotFoundException ex4)
     {
         MailboxSearchServer.Tracer.TraceError <ObjectNotFoundException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex4);
         errorInfo = new SearchErrorInfo(-2147220987, ex4);
     }
     catch (UnauthorizedAccessException ex5)
     {
         MailboxSearchServer.Tracer.TraceError <UnauthorizedAccessException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex5);
         errorInfo = new SearchErrorInfo(-2147220982, ex5);
     }
     catch (StoragePermanentException ex6)
     {
         MailboxSearchServer.Tracer.TraceError <StoragePermanentException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex6);
         errorInfo = new SearchErrorInfo(-2147220986, ex6);
     }
     catch (StorageTransientException ex7)
     {
         MailboxSearchServer.Tracer.TraceError <StorageTransientException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex7);
         errorInfo = new SearchErrorInfo(-2147220985, ex7);
     }
     catch (ExportException ex8)
     {
         MailboxSearchServer.Tracer.TraceError <ExportException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex8);
         errorInfo = new SearchErrorInfo(-2147220991, ex8);
     }
     catch (LocalizedException ex9)
     {
         MailboxSearchServer.Tracer.TraceError <LocalizedException>((long)this.GetHashCode(), "MailboxSearchServer.Remove error {0}", ex9);
         errorInfo = new SearchErrorInfo(-2147220991, ex9);
     }
     if (errorInfo != null && errorInfo.Failed)
     {
         MailboxSearchServer.LogErrorInfo("Error occured when trying to queue the search for deletion", searchId, errorInfo);
     }
 }
        private SearchErrorInfo AddSearchToWorkItemQueue(SearchId searchId, string ownerId)
        {
            SearchErrorInfo result = null;

            try
            {
                MailboxSearchWorkItem mailboxSearchWorkItem = new MailboxSearchWorkItem(this, searchId);
                mailboxSearchWorkItem.PreStart(ownerId, null);
                this.searchWorkItemMap[searchId] = mailboxSearchWorkItem;
                lock (this.workItemQueue)
                {
                    this.workItemQueue.Add(mailboxSearchWorkItem);
                    int num = this.queueSemaphore.Release();
                    MailboxSearchServer.Tracer.TraceDebug <SearchId, int, int>((long)this.GetHashCode(), "WorkItem '{0}' is enqueued, Queue length is {1}, Semaphore signals {2}", searchId, this.workItemQueue.Count, num + 1);
                    SearchEventLogger.Instance.LogDiscoverySearchWorkItemQueueChangedEvent("EnqueuedAndAddedToRunningWorkItems", searchId.SearchName, searchId.MailboxDsName, mailboxSearchWorkItem.Action.ToString(), mailboxSearchWorkItem.IsEstimateOnly, this.workItemQueue.Count, this.searchWorkItemMap.Count, this.copySearchesInProgress, num + 1);
                }
            }
            catch (FormatException ex)
            {
                MailboxSearchServer.Tracer.TraceError <FormatException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex);
                result = new SearchErrorInfo(-2147220988, ex);
            }
            catch (ArgumentException ex2)
            {
                MailboxSearchServer.Tracer.TraceError <ArgumentException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex2);
                result = new SearchErrorInfo(-2147220988, ex2);
            }
            catch (ParserException ex3)
            {
                MailboxSearchServer.Tracer.TraceError <ParserException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex3);
                result = new SearchErrorInfo(-2147220984, ex3);
            }
            catch (SearchQueryEmptyException ex4)
            {
                MailboxSearchServer.Tracer.TraceError <SearchQueryEmptyException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex4);
                result = new SearchErrorInfo(-2147220981, ex4);
            }
            catch (SearchObjectNotFoundException ex5)
            {
                MailboxSearchServer.Tracer.TraceError <SearchObjectNotFoundException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex5);
                result = new SearchErrorInfo(-2147220990, ex5);
            }
            catch (SearchDisabledException ex6)
            {
                MailboxSearchServer.Tracer.TraceError <SearchDisabledException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex6);
                result = new SearchErrorInfo(-2147220978, ex6);
            }
            catch (SearchOverBudgetException ex7)
            {
                MailboxSearchServer.Tracer.TraceError <SearchOverBudgetException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex7);
                result = new SearchErrorInfo(-2147220979, ex7);
            }
            catch (ObjectNotFoundException ex8)
            {
                MailboxSearchServer.Tracer.TraceError <ObjectNotFoundException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex8);
                result = new SearchErrorInfo(-2147220987, ex8);
            }
            catch (UnauthorizedAccessException ex9)
            {
                MailboxSearchServer.Tracer.TraceError <UnauthorizedAccessException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex9);
                result = new SearchErrorInfo(-2147220982, ex9);
            }
            catch (AuthzException ex10)
            {
                MailboxSearchServer.Tracer.TraceError <AuthzException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex10);
                result = new SearchErrorInfo(-2147220982, ex10);
            }
            catch (StoragePermanentException ex11)
            {
                MailboxSearchServer.Tracer.TraceError <StoragePermanentException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex11);
                result = new SearchErrorInfo(-2147220986, ex11);
            }
            catch (StorageTransientException ex12)
            {
                MailboxSearchServer.Tracer.TraceError <StorageTransientException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex12);
                result = new SearchErrorInfo(-2147220985, ex12);
            }
            catch (ExportException ex13)
            {
                MailboxSearchServer.Tracer.TraceError <ExportException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex13);
                result = new SearchErrorInfo(-2147220991, ex13);
            }
            catch (DataSourceOperationException ex14)
            {
                MailboxSearchServer.Tracer.TraceError <DataSourceOperationException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex14);
                result = new SearchErrorInfo(-2147220991, ex14);
            }
            catch (LocalizedException ex15)
            {
                MailboxSearchServer.Tracer.TraceError <LocalizedException>((long)this.GetHashCode(), "MailboxSearchServer.Start error {0}", ex15);
                result = new SearchErrorInfo(-2147220991, ex15);
            }
            return(result);
        }
        public override SearchErrorInfo StartEx(SearchId searchId, string ownerId)
        {
            MailboxSearchServer.Tracer.TraceFunction <string, string>((long)this.GetHashCode(), "MailboxSearchServer.Start {0}, {1}", searchId.SearchName, ownerId);
            SearchErrorInfo errorInfo = null;

            SearchUtils.ExWatsonWrappedCall(delegate()
            {
                lock (this)
                {
                    if (this.IsShutDown)
                    {
                        errorInfo = new SearchErrorInfo(-2147220983, Strings.SearchServerShutdown);
                    }
                    else
                    {
                        bool flag2 = false;
                        bool flag3 = this.searchWorkItemMap.ContainsKey(searchId);
                        bool flag4 = this.pendingSearchIdMap.ContainsKey(searchId);
                        if (flag3 || flag4)
                        {
                            bool flag5 = false;
                            if (flag3)
                            {
                                MailboxSearchWorkItem mailboxSearchWorkItem = this.searchWorkItemMap[searchId];
                                if (mailboxSearchWorkItem.Action != WorkItemAction.Remove)
                                {
                                    flag5 = true;
                                }
                            }
                            if (flag4)
                            {
                                flag5 = true;
                            }
                            if (flag5)
                            {
                                MailboxSearchServer.Tracer.TraceWarning <string>((long)this.GetHashCode(), "Search {0} is already started", searchId.SearchName);
                                errorInfo = new SearchErrorInfo(262657, Strings.SearchAlreadStarted);
                            }
                            else
                            {
                                flag2 = true;
                            }
                        }
                        if (errorInfo == null)
                        {
                            if (flag2)
                            {
                                this.pendingSearchIdMap.Add(searchId, ownerId);
                                SearchEventLogger.Instance.LogDiscoverySearchPendingWorkItemsChangedEvent("AddedToPendingWorkItems", searchId.SearchName, searchId.MailboxDsName, this.pendingSearchIdMap.Count);
                            }
                            else
                            {
                                errorInfo = this.AddSearchToWorkItemQueue(searchId, ownerId);
                            }
                        }
                    }
                }
            });
            if (errorInfo != null && errorInfo.Failed)
            {
                MailboxSearchServer.LogErrorInfo("Error occured when trying to start the search by adding it to queue", searchId, errorInfo);
            }
            return(errorInfo);
        }
        public override SearchErrorInfo AbortEx(SearchId searchId, string userId)
        {
            MailboxSearchServer.Tracer.TraceFunction <string>((long)this.GetHashCode(), "MailboxSearchServer.Abort on {0}", searchId.SearchName);
            SearchErrorInfo errorInfo = null;

            SearchUtils.ExWatsonWrappedCall(delegate()
            {
                lock (this)
                {
                    if (!this.searchWorkItemMap.ContainsKey(searchId) && !this.pendingSearchIdMap.ContainsKey(searchId))
                    {
                        MailboxSearchServer.Tracer.TraceWarning <string>((long)this.GetHashCode(), "The search {0} is not started", searchId.SearchName);
                        try
                        {
                            ADObjectId discoverySystemMailboxId = new ADObjectId(searchId.MailboxDsName, searchId.MailboxGuid);
                            IMailboxSearchConfigurationProvider mailboxSearchConfigurationProvider = new MailboxSearchConfigurationProvider(discoverySystemMailboxId, searchId.SearchName);
                            if (MailboxDiscoverySearch.IsInProgressState(mailboxSearchConfigurationProvider.SearchObject.Status))
                            {
                                mailboxSearchConfigurationProvider.SearchObject.UpdateState(SearchStateTransition.Fail);
                                mailboxSearchConfigurationProvider.UpdateSearchObject("AbortEx", 317);
                            }
                            errorInfo = new SearchErrorInfo(262658, Strings.SearchNotStarted);
                            goto IL_3A4;
                        }
                        catch (FormatException exception)
                        {
                            errorInfo = new SearchErrorInfo(-2147220990, exception);
                            goto IL_3A4;
                        }
                        catch (SearchObjectNotFoundException exception2)
                        {
                            errorInfo = new SearchErrorInfo(-2147220990, exception2);
                            goto IL_3A4;
                        }
                        catch (DataSourceOperationException exception3)
                        {
                            errorInfo = new SearchErrorInfo(-2147220990, exception3);
                            goto IL_3A4;
                        }
                    }
                    if (this.searchWorkItemMap.ContainsKey(searchId))
                    {
                        MailboxSearchWorkItem searchWorkItem = this.searchWorkItemMap[searchId];
                        if (searchWorkItem.IsCompleted)
                        {
                            goto IL_3A4;
                        }
                        try
                        {
                            searchWorkItem.Abort(userId);
                        }
                        catch (ExportException ex)
                        {
                            MailboxSearchServer.Tracer.TraceError <ExportException>((long)this.GetHashCode(), "MailboxSearchServer.Abort error {0}", ex);
                            errorInfo = new SearchErrorInfo(-2147220991, ex);
                        }
                        catch (DataSourceOperationException ex2)
                        {
                            MailboxSearchServer.Tracer.TraceError <DataSourceOperationException>((long)this.GetHashCode(), "MailboxSearchServer.Abort error {0}", ex2);
                            errorInfo = new SearchErrorInfo(-2147220991, ex2);
                        }
                        lock (this.workItemQueue)
                        {
                            int num = this.workItemQueue.FindIndex((MailboxSearchWorkItem x) => x == searchWorkItem);
                            if (num != -1)
                            {
                                if (num != 0)
                                {
                                    this.workItemQueue.RemoveAt(num);
                                    this.workItemQueue.Insert(0, searchWorkItem);
                                }
                                int num2 = this.workItemSemaphore.Release();
                                MailboxSearchServer.Tracer.TraceDebug <int, int>((long)this.GetHashCode(), "MailboxSearch is aborted with Queue Length {0} and semaphore {1}", this.workItemQueue.Count, num2 + 1);
                                SearchEventLogger.Instance.LogDiscoverySearchWorkItemQueueChangedEvent("MovedToFrontOfQueueOnAbort", searchId.SearchName, searchId.MailboxDsName, searchWorkItem.Action.ToString(), searchWorkItem.IsEstimateOnly, this.workItemQueue.Count, this.searchWorkItemMap.Count, this.copySearchesInProgress, num2 + 1);
                            }
                            goto IL_3A4;
                        }
                    }
                    if (this.pendingSearchIdMap.ContainsKey(searchId))
                    {
                        this.pendingSearchIdMap.Remove(searchId);
                        SearchEventLogger.Instance.LogDiscoverySearchPendingWorkItemsChangedEvent("RemovedFromPendingWorkItemsOnAbort", searchId.SearchName, searchId.MailboxDsName, this.pendingSearchIdMap.Count);
                    }
                    IL_3A4:;
                }
            });
            if (errorInfo != null && errorInfo.Failed)
            {
                MailboxSearchServer.LogErrorInfo("Error occured when trying to abort the search workitem", searchId, errorInfo);
            }
            return(errorInfo);
        }