ORA-31477: could not detach LogMiner session during cleanup Cause: Failure during detachfrom a LogMiner session during advance of an
asynchronous change set. This is an internal error. This exception is raisedwhen a
previous exception occurred during the internal protocol with LogMiner, after
which Change Data Capture attempted to detach the LogMiner session as part of
recovery. The detach session also failed Action: Contact OracleCorporation