Communication Outbound Manager loses connection to database intermittently (Doc ID 762888.1)

The components like Outbound Communications Manager and Workflow can lose their database connections intermittently, with no reproducible pattern.

ObjMgrSqlLog Detail 4 0000014049373a03:0 2008-12-04 22:52:33
***** SQL Statement Prepare Time for SQL Cursor with ID 8367140: 0.000 seconds *****

ObjMgrSqlCursorLog Execute 5 0000014049373a03:0 2008-12-04 22:52:33 Begin: ExecuteStmt for Sql Cursor at 8367140
SQLParseAndExecute Bind Vars 4 0000014049373a03:0 2008-12-04 22:52:33 1: Default SMTP Profile
ObjMgrLog Error 1 0000014049373a03:0 2008-12-04 22:52:33 (oracon.cpp (3202)) SBL-DBC-00108: An error has occurred preparing a Sql statement.

Please continue or ask your systems administrator to check your application configuration if the problem persists.
SQLParseAndExecute Execute 5 0000014049373a03:0 2008-12-04 22:52:33 ORA-03135: connection lost contact

ObjMgrSqlCursorLog Execute 5 0000014049373a03:0 2008-12-04 22:52:33 End: ExecuteStmt for Sql Cursor at 8367140

Cause

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