这个报错很奇怪，我重启cognos服务之后就正常了，报表照样运行没问题，过一段时间就出来了，我重启之后又好了。 真心无解了，求大家给指导一下啊！
UDA-SQL-0532 不能访问数据源：“invalid data source”。[Microsoft][ODBC SQL Server Driver]通讯链接失败RSV-SRV-0042 回溯：RSReportService.cpp(758): QFException: CCL_CAUGHT: RSReportService::process()RSReportServiceMethod.cpp(239): QFException: CCL_RETHROW: RSReportServiceMethod::process(): asynchRunSpecification_RequestRSASyncExecutionThread.cpp(774): QFException: RSASyncExecutionThread::checkExceptionRSASyncExecutionThread.cpp(211): QFException: CCL_CAUGHT: RSASyncExecutionThread::run(): asynchRunSpecification_RequestRSASyncExecutionThread.cpp(824): QFException: CCL_RETHROW: RSASyncExecutionThread::processCommand(): asynchRunSpecification_RequestExecution/RSRenderExecution.cpp(593): QFException: CCL_RETHROW: RSRenderExecution::executeAssembly/RSDocAssemblyDispatch.cpp(264): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssemblyAssembly/RSLayoutAssembly.cpp(64): QFException: CCL_RETHROW: RSLayoutAssembly::assembleAssembly/RSDocAssemblyDispatch.cpp(331): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForwardAssembly/RSReportPagesAssembly.cpp(163): QFException: CCL_RETHROW: RSReportPagesAssembly::assembleAssembly/RSDocAssemblyDispatch.cpp(281): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssemblyAssembly/RSPageAssembly.cpp(287): QFException: CCL_RETHROW: RSPageAssembly::assembleAssembly/RSDocAssemblyDispatch.cpp(281): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssemblyAssembly/RSTableRowAssembly.cpp(160): QFException: CCL_RETHROW: RSTableRowAssembly::assembleAssembly/RSDocAssemblyDispatch.cpp(281): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchAssemblyAssembly/RSTableCellAssembly.cpp(122): QFException: CCL_RETHROW: RSTableCellAssembly::assembleAssembly/RSDocAssemblyDispatch.cpp(331): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForwardAssembly/RSDocAssemblyDispatch.cpp(331): QFException: CCL_RETHROW: RSDocAssemblyDispatch::dispatchChildrenAssemblyForwardAssembly/RSAssembly.cpp(626): QFException: CCL_RETHROW: RSAssembly::createListIteratorAssembly/RSAssembly.cpp(667): QFException: CCL_RETHROW: RSAssembly::createListIteratorRSQueryMgr.cpp(978): QFException: CCL_RETHROW: RSQueryMgr::getListIteratorRSQueryMgr.cpp(1051): QFException: CCL_RETHROW: RSQueryMgr::getResultSetIteratorRSQueryMgr.cpp(1211): QFException: CCL_RETHROW: RSQueryMgr::createIteratorRSQueryMgr.cpp(1511): QFException: CCL_RETHROW: RSQueryMgr::executeRsapiCommandRSQueryMgr.cpp(1498): QFException: CCL_RETHROW: RSQueryMgr::executeRsapiCommandRSQueryMgrExecutionHandlerImpl.cpp(174): QFException: CCL_RETHROW: RSQueryMgrExecutionHandlerImpl::execute()RSQueryMgrExecutionHandlerImpl.cpp(154): QFException: CCL_RETHROW: RSQueryMgrExecutionHandlerImpl::execute()RSQFSession.cpp(243): QFException: CCL_RETHROW: RSQFSession::DoRequestQFSSession.cpp(603): QFException: CCL_RETHROW: QFSSession::ProcessDoRequest()QFSSession.cpp(601): QFException: CCL_CAUGHT: QFSSession::ProcessDoRequest()QFSSession.cpp(558): QFException: CCL_RETHROW: QFSSession::ProcessDoRequest()QFSConnection.cpp(737): QFException: CCL_RETHROW: QFSConnection::ExecuteQFSQuery.cpp(199): QFException: CCL_RETHROW: QFSQuery::Execute v2CoordinationQFSQuery.cpp(4174): QFException: CCL_THROW: CoordinationPlanner
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