我的MR作业执行成功。但是当我检查它的历史记录时出现错误:Failedredirectforcontainer_1400260444475_3309_01_000001Failedwhiletryingtoconstructtheredirecturltothelogserver.LogServerurlmaynotbeconfiguredUnknowncontainer.Containereitherhasnotstartedorhasalreadycompletedordoesn'tbelongtothisnodeatall.我的HistoryServer也运行良好。好消息是，我可