Troubleshooting

Error Message Resolution

Error Message	Resolution
Vault fails to start. There may not be a log file created if the vault fails to start upon executing `# systemctl start vault.service`.	Execute the following instead to get some debugging information. `# vault server -config=/etc/vault/config.hcl`.
Error: failed to decrypt encrypted stored keys: error initializing session for decryption: error logging in to HSM: pkcs11: 0xE0: CKR_TOKEN_NOT_PRESENT	Ensure that the Operator card is inserted in the physical slot of the nShield HSM.
Docker installation fails with errors during downloading metadata for repository `docker-ce-stable`.	1) Edit `/etc/yum.repos.d/docker-ce.repo`. 2) Change `baseurl=https://download.docker.com/linux/rhel/$releasever/$basearch/stable` in section `[docker-ce-stable]` accordingly. 3) Change `baseurl=https://download.docker.com/linux/rhel/$releasever/s390x/stable` for release 8.9.

Vault fails to start. There may not be a log file created if the vault fails to start upon executing # systemctl start vault.service.

Execute the following instead to get some debugging information. # vault server -config=/etc/vault/config.hcl.

Error: failed to decrypt encrypted stored keys: error initializing session for decryption: error logging in to HSM: pkcs11: 0xE0: CKR_TOKEN_NOT_PRESENT

Ensure that the Operator card is inserted in the physical slot of the nShield HSM.

Docker installation fails with errors during downloading metadata for repository docker-ce-stable.

1) Edit /etc/yum.repos.d/docker-ce.repo.

2) Change baseurl=https://download.docker.com/linux/rhel/$releasever/$basearch/stable in section [docker-ce-stable] accordingly.

3) Change baseurl=https://download.docker.com/linux/rhel/$releasever/s390x/stable for release 8.9.