adop phase=prepare fails with OCI-21503: program terminated by fatal error OCI-04030: out of process
We have upgraded our EBS environment from 12.1.3 - 12.2.5( 2 node DB - 2 node App). When we kick off a new patching cycle(adop phase=prepare) we are running into below error.
OCI-21503: program terminated by fatal error
OCI-04030: out of process memory when trying to allocate 1744 bytes (Alloc environm,alloc statement hndl)
remote_execution_result_.xml file recorded the below info
adop exiting with status = 1 (Fail)
.end std out.
Out of memory!
stty: standard input: Inappropriate ioctl for device
Please advice.