Linux GPG2 Encryption Getting Intermittent gpg: signing failed: Inappropriate ioctl for device When Run From Oracle Apps

Jim Ernst jernst at
Fri Oct 7 22:59:44 CEST 2016

Hello All  -

I am using the following code with gpg (GnuPG) 2.1.15, and when run on Linux submitted from an Oracle EBS Apps request it errors with "gpg: signing failed: Inappropriate ioctl for device":

/usr/local/bin/gpg2 -v --batch --no-tty --output $v_outbound_dir/$v_fname_sign --encrypt --recipient $v_recipient --passphrase $v_passphrase --sign $v_sd_name/$v_fn

The process will work then the error will suddenly occur when there has been no change in the statement. Has anyone hit something like this before ?

I notice the error message has "gpg:"; does gpg2 start its' messages this way or with "gpg2:" ?

James Ernst
NTT Data
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