12c Dbua Hung At 0% while retriving hostname ([DatabaseQueryManager.getHost:200] Failed to connect sqlengine)
Last updated on JULY 19, 2017
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 12.1]
Information in this document applies to any platform.
While using DBUA to upgrade to higher version ( 12c ), it might fail with below errors (observed in dbua trace log file):
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