Yum : JSON parsing error: No JSON object could be decoded

Publié le 29 février 2024

Récemment, plusieurs serveurs Red Hat 7 se sont mis à ne plus pouvoir accéder aux dépôts officiels :

yum update
Modules complémentaires chargés : product-id, search-disabled-repos, subscription-manager

This system is registered with an entitlement server, but is not receiving updates. You can use subscription-manager to assign subscriptions.


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La réinscription aux dépôts ne fonctionnait pas non plus :

subscription-manager register --force
Annulation de l’inscription de : subscription.rhsm.redhat.com:443/subscription
Erreur réseau. Veuillez vérifier les détails de la connexion, ou voir /var/log/rhsm/rhsm.log pour plus d'informations.

Le fichier de log /var/log/rhsm/rhsm.log indiquait :

2024-02-29 10:24:48,995 [INFO] subscription-manager:16580:MainThread @connection.py:915 - Connection built: http_proxy=172.16.45.134:3128 host=subscription.rhsm.redhat.com port=443 handler=/subscription auth=identity_cert ca_dir=/etc/rhsm/ca/ insecure=False
2024-02-29 10:24:49,003 [INFO] subscription-manager:16580:MainThread @connection.py:915 - Connection built: http_proxy=172.16.45.134:3128 host=subscription.rhsm.redhat.com port=443 handler=/subscription auth=identity_cert ca_dir=/etc/rhsm/ca/ insecure=False
2024-02-29 10:24:49,003 [INFO] subscription-manager:16580:MainThread @connection.py:915 - Connection built: http_proxy=172.16.45.134:3128 host=subscription.rhsm.redhat.com port=443 handler=/subscription auth=none
2024-02-29 10:24:49,354 [ERROR] subscription-manager:16580:MainThread @connection.py:647 - Response: 400
2024-02-29 10:24:49,354 [ERROR] subscription-manager:16580:MainThread @connection.py:648 - JSON parsing error: No JSON object could be decoded
2024-02-29 10:24:49,354 [ERROR] subscription-manager:16580:MainThread @managercli.py:217 - Unregister failed
2024-02-29 10:24:49,354 [ERROR] subscription-manager:16580:MainThread @managercli.py:218 - HTTP error (400 - Bad Request)
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/subscription_manager/managercli.py", line 1340, in _do_command
    unregister.UnregisterService(self.cp).unregister()
  File "/usr/lib64/python2.7/site-packages/rhsmlib/services/unregister.py", line 54, in unregister
    self.uep.unregisterConsumer(self.identity.uuid)
  File "/usr/lib64/python2.7/site-packages/rhsm/connection.py", line 1325, in unregisterConsumer
    return self.conn.request_delete(method)
  File "/usr/lib64/python2.7/site-packages/rhsm/connection.py", line 742, in request_delete
    return self._request("DELETE", method, params, headers=headers)
  File "/usr/lib64/python2.7/site-packages/rhsm/connection.py", line 756, in _request
    info=info, headers=headers)
  File "/usr/lib64/python2.7/site-packages/rhsm/connection.py", line 631, in _request
    self.validateResponse(result, request_type, handler)
  File "/usr/lib64/python2.7/site-packages/rhsm/connection.py", line 717, in validateResponse
    raise NetworkException(response['status'])
NetworkException: HTTP error (400 - Bad Request)

La solution tient en trois commandes :

rm -rf /etc/pki/consumer
rm -rf /etc/pki/entitlement
subscription-manager clean

Ensuite, il faut recommencer l’enregistrement avec subscription-manager register --force et subscription-manager attach --auto.