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Cisco Bug: CSCul44464 - DRS Backups fail Intermittently with JSCH Exception

Last Modified

Nov 27, 2020

Products (8)

  • Cisco Unified Communications Manager (CallManager)
  • Cisco Intercompany Media Engine
  • Cisco Unity Connection Version 9.1
  • Cisco Business Edition 5000 Version 9.1
  • Cisco Unified Communications Manager Version 9.1
  • Cisco Business Edition 6000 Version 9.1
  • Cisco Unified Communications Manager Version 10.0
  • Cisco Unified Communications Manager Session Management Edition

Known Affected Releases

10.0(1) 9.1(1) 9.1(2)

Description (partial)

Symptom:
During DRS backup, any component can randomly fail with the following exception intermittently...

2013-11-06 15:05:14,411 DEBUG [drfJobThread] - drfJobThread:executeDirectSftpCommand: Trying to connect to the SFTP server.
2013-11-06 15:05:14,411 DEBUG [drfJobThread] - drfJobThread:executeDirectSftpCommand: Connecting to SFTP server...
2013-11-06 15:05:14,508 INFO [drfJobThread] - drfJobThread:executeDirectSftpCommand: JSCH exception has occurred.. retrying to connect. Authentication counter value = 1
2013-11-06 15:05:14,508 ERROR [drfJobThread] - drfJobThread:executeDirectSftpCommand: Caught JSchException : verify: false
2013-11-06 15:07:14,521 INFO [drfJobThread] - drfJobThread:executeDirectSftpCommand: JSCH exception has occurred.. retrying to connect. Authentication counter value = 2
2013-11-06 15:07:14,522 ERROR [drfJobThread] - drfJobThread:executeDirectSftpCommand: Caught JSchException : Session.connect: java.io.IOException: End of IO Stream Read
2013-11-06 15:07:14,536 INFO [drfJobThread] - drfJobThread:executeDirectSftpCommand: JSCH exception has occurred.. retrying to connect. Authentication counter value = 3
2013-11-06 15:07:14,536 ERROR [drfJobThread] - drfJobThread:executeDirectSftpCommand: Caught JSchException : Session.connect: java.io.IOException: End of IO Stream Read
2013-11-06 15:07:14,536 ERROR [drfJobThread] - drfJobThread:executeDirectSftpCommand: Unable to connect to SFTP server..
2013-11-06 15:07:14,536 DEBUG [drfJobThread] - drfLocalWorker:closeSFTPConnections: Closing connection to the server

Conditions:
Starting 9.x and higher releases of CUCM

Related Community Discussions

CUCM 9.x でバックアップに失敗する
2013年12月16日(初版) TAC SR Collection 主な問題 Cisco  Unified Communication Manager(CUCM) | のバージョン 9.x 以降で、Disaster Recovery  System(DRS) のバックアップに失敗する場合があります。マニュアル、スケジュールいずれの場合でも発生します。 事象が発生した場合、 Cisco DRF Local のログに以下のように JSCH(※)の exception が 3 回記録されます。 ※ SFTP接続をハンドリングするサードパーティのライブラリ | drfJobThread:executeDirectSftpCommand: Trying to connect to the SFTP server. drfJobThread:executeDirectSftpCommand: Connecting to SFTP server... drfJobThread:executeDirectSftpCommand: JSCH exception has occurred.. retrying ...
Latest activity: Dec 16, 2013
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