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We are running 5.9.22, and since ~9/1/2014 we have not been getting email alerts.
The Windws application event logs show the following errors (over and over again):
Xerox.CWWLib.AlertThreshold.ProcessAlertsOverThreshold(): Group. Exception is: System.InvalidCastException: Specified cast is not valid.
at Xerox.CWW.CWWLib.Sql.GroupDB.FindParentNotSetToUseParent(Int32 iGroupID, Int32 iMode, Int32& iParentGroupID, Int32& iParentSelection, Int32& iParentPollingSettings, Int32& iParentHistorySettings, Int32& iParentAssetMgrExportSched, Int32& iParentAssetMgrExportEvent, Int32& iParentCommSelection)
at Xerox.CWW.CWWLib.GroupDB.FindParentNotSetToUseParent(Int32 iGroupID, Int32 iMode, Int32& iParentGroupID, Int32& iParentSelection, Int32& iParentPollingSettings, Int32& iParentHistorySettings, Int32& iParentAssetMgrExportSched, Int32& iParentAssetMgrExportEvent, Int32& iParentCommSelection)
at Xerox.CWW.CWWLib.AlertThreshold.RemoveInvalidAlertThresholdItems(AlertThresholdItems alertItems, AlertThresholdType alertThresholdType, ArrayList arGroupIDs) in c:\XGS-SDI\XOS\Device Management\Version\XDMCWW\5.9\Common\CWWLib\Mainline\Source\AlertThreshold.cs:line 1915
at Xerox.CWW.CWWLib.AlertThreshold.ProcessAlertsOverThreshold(AlertThresholdType alertThresholdType, Int32 timeout) in c:\XGS-SDI\XOS\Device Management\Version\XDMCWW\5.9\Common\CWWLib\Mainline\Source\AlertThreshold.cs:line 294
and Stack Trace is: at Xerox.CWW.CWWLib.Sql.GroupDB.FindParentNotSetToUseParent(Int32 iGroupID, Int32 iMode, Int32& iParentGroupID, Int32& iParentSelection, Int32& iParentPollingSettings, Int32& iParentHistorySettings, Int32& iParentAssetMgrExportSched, Int32& iParentAssetMgrExportEvent, Int32& iParentCommSelection)
at Xerox.CWW.CWWLib.GroupDB.FindParentNotSetToUseParent(Int32 iGroupID, Int32 iMode, Int32& iParentGroupID, Int32& iParentSelection, Int32& iParentPollingSettings, Int32& iParentHistorySettings, Int32& iParentAssetMgrExportSched, Int32& iParentAssetMgrExportEvent, Int32& iParentCommSelection)
at Xerox.CWW.CWWLib.AlertThreshold.RemoveInvalidAlertThresholdItems(AlertThresholdItems alertItems, AlertThresholdType alertThresholdType, ArrayList arGroupIDs) in c:\XGS-SDI\XOS\Device Management\Version\XDMCWW\5.9\Common\CWWLib\Mainline\Source\AlertThreshold.cs:line 1915
at Xerox.CWW.CWWLib.AlertThreshold.ProcessAlertsOverThreshold(AlertThresholdType alertThresholdType, Int32 timeout) in c:\XGS-SDI\XOS\Device Management\Version\XDMCWW\5.9\Common\CWWLib\Mainline\Source\AlertThreshold.cs:line 294
Sometimes, it is this error instead:
Error in SchedCustomerChargebackSyncDB.TransformXml:
Specified cast is not valid.
at Xerox.CWW.CWWLib.Sql.GroupDB.FindParentNotSetToUseParent(Int32 iGroupID, Int32 iMode, Int32& iParentGroupID, Int32& iParentSelection, Int32& iParentPollingSettings, Int32& iParentHistorySettings, Int32& iParentAssetMgrExportSched, Int32& iParentAssetMgrExportEvent, Int32& iParentCommSelection)
We've made no changes to our SQL server.