With 5.2.0, during FTS 3rd party transfers, FTS sees "ERR Thu, 10 Jun 2021 00:13:19 +0200; Recoverable error: [2] Result HTTP 404 : File not found after 1 attempts" In the xrootd server log, I am seeing mkdir error: 210609 15:57:34 1739 sysXrdHttp: rc:2 detected header end. 210609 15:57:34 1739 XrootdBridge: cmsprod.80:[log in to unmask] login as cmsprod 210609 15:57:34 1739 multiuser_UserSentry: Switching FS uid for user cmsprod 210609 15:57:34 1739 cmsprod.80:[log in to unmask] sysXrdHttp: Process. lp:0x7fcf6c081a20 reqstate: 0 210609 15:57:34 1739 cmsprod.80:[log in to unmask] sysXrdHttp: Process is exiting rc:1 210609 15:57:34 1739 multiuser_UserSentry: Switching FS uid for user cmsprod 210609 15:57:34 1739 ofs_mkdir: cmsprod.80:[log in to unmask] Unable to mkdir /store/mc/RunIISummer20UL16MiniAODv2_TEST1/NMSSM_XtoHYto4b_MX_1900_MY_700_TuneCP5_13TeV-madgraph-pythia8; no such file or directory 210609 15:57:34 1739 sysXrdHttp: XrdHttpReq::Error 210609 15:57:34 1739 cmsprod.80:[log in to unmask] sysXrdHttp: PostProcessHTTPReq req: 9 reqstate: 0 210609 15:57:34 1739 cmsprod.80:[log in to unmask] sysXrdHttp: PostProcessHTTPReq mapping Xrd error [3011] to status code [404] 210609 15:57:34 1739 cmsprod.80:[log in to unmask] sysXrdHttp: Sending resp: 404 header len:66 The directory is created but it's just this mkdir error and this results in the error in the FTS. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1466 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1