Article ID: 8122
Reviewed: 2021-08-27

Product Version:
Ahsay Software: pre-8.5.2.94
OS: Windows

When performing a MS Exchange mail level backup (both Exchange server and Office 365 mail level backup set), the following info message is displayed in the backup client log:

[YYYY/MM/DD hh:mm:ss] [erro] [1623077186240] [BackupCloudFileCmd.uploadBackupFiles][java.lang.RuntimeException] Error=java.lang.RuntimeException: [FileAttributeIterator.reiterate] Failed to list sPath='path'. Reason='[FileAttributeIterator.checkLoaded] Failed to load sPath='path'. Reason='[ExchangeFolderIterator.load] Failed in listing sub-folders/items from path: path; Folder ID: folder_id=; Error: [u.EwsService.syncItems] Give up retry, retried 3 time(s). Error: ParseError at [row,col]:xxx,xxx] Message: Underlying input stream returned zero bytes'
       at com.ahsay.afc.cloud.FileAttributeIterator.a (Unknown Source)
       at com.ahsay.cloudbacko.x.b (Unknown Source)
       at com.ahsay.cloudbacko.w.a (Unknown Source)
       at com.ahsay.cloudbacko.t.a (Unknown Source)
       at com.ahsay.afc.cloud.office365.exchange.l.a (Unknown Source)
       at com.ahsay.afc.cloud.office365.exchange.l.a (Unknown Source)
       at com.ahsay.cloudbacko.lZ.a(Unknown Source)
...

This is a known issue for AhsayCBS and AhsayOBM / ACB version pre-8.5.2.94.

To resolve the issue, patch the AhsayCBS and AhsayOBM / ACB application to version 8.5.2.106 or above.

The instructions can be found by:

Clicking Here for instruction to patch AhsayCBS
Clicking Here for instruction to patch AhsayOBM

parse, error, underlying, stream