Entrypoint ERROR: 2026/05/04 18:38:22 customresource.go:38: unable to unmarshal variable DEPENDENCY_CUSTOM_RESOURCE with value : unexpected end of JSON input
Entrypoint INFO: 2026/05/04 18:38:22 entrypoint.go:69: Resolving Job placement-ks-endpoints in namespace openstack
Entrypoint INFO: 2026/05/04 18:38:22 entrypoint.go:69: Resolving Job placement-ks-service in namespace openstack
Entrypoint INFO: 2026/05/04 18:38:22 entrypoint.go:69: Resolving Job placement-ks-user in namespace openstack
Entrypoint INFO: 2026/05/04 18:38:22 entrypoint.go:69: Resolving Job placement-db-sync in namespace openstack
Entrypoint WARNING: 2026/05/04 18:38:22 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:22 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:22 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:22 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: jobs.batch "placement-db-sync" not found .
Entrypoint WARNING: 2026/05/04 18:38:24 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:24 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:24 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: jobs.batch "placement-db-sync" not found .
Entrypoint WARNING: 2026/05/04 18:38:24 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:26 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:26 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:26 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:26 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: jobs.batch "placement-db-sync" not found .
Entrypoint WARNING: 2026/05/04 18:38:28 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: jobs.batch "placement-db-sync" not found .
Entrypoint WARNING: 2026/05/04 18:38:28 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:28 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:28 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:30 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:30 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:30 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:30 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:32 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:32 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:32 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:32 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:34 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:34 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:34 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:34 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:36 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:36 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:36 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:36 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:38 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:38 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:38 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:38 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:40 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: jobs.batch "placement-ks-service" not found .
Entrypoint WARNING: 2026/05/04 18:38:40 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:40 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:40 entrypoint.go:74: Resolving dependency Job placement-db-sync in namespace openstack failed: job Job placement-db-sync in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:42 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:42 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:42 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint INFO: 2026/05/04 18:38:44 entrypoint.go:78: Dependency Job placement-db-sync in namespace openstack is resolved.
Entrypoint WARNING: 2026/05/04 18:38:44 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:44 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:44 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:46 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:46 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:46 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:48 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:48 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:48 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:50 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:50 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:50 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:52 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:52 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:52 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:54 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:54 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:54 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:56 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:56 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:56 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:38:58 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:38:58 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:38:58 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:39:00 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:00 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:00 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:39:02 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:02 entrypoint.go:74: Resolving dependency Job placement-ks-service in namespace openstack failed: job Job placement-ks-service in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:02 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: jobs.batch "placement-ks-user" not found .
Entrypoint WARNING: 2026/05/04 18:39:04 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:04 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint INFO: 2026/05/04 18:39:06 entrypoint.go:78: Dependency Job placement-ks-service in namespace openstack is resolved.
Entrypoint WARNING: 2026/05/04 18:39:06 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:06 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:08 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:08 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:10 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:10 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:12 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:12 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:14 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:14 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:16 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:16 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:18 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:18 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:20 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:20 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:22 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:22 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:24 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:24 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:26 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:26 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:28 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:28 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:30 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:30 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:32 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:32 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:34 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: jobs.batch "placement-ks-endpoints" not found .
Entrypoint WARNING: 2026/05/04 18:39:34 entrypoint.go:74: Resolving dependency Job placement-ks-user in namespace openstack failed: job Job placement-ks-user in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:36 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:38 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint INFO: 2026/05/04 18:39:38 entrypoint.go:78: Dependency Job placement-ks-user in namespace openstack is resolved.
Entrypoint WARNING: 2026/05/04 18:39:40 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:42 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:44 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:46 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:48 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:50 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint WARNING: 2026/05/04 18:39:52 entrypoint.go:74: Resolving dependency Job placement-ks-endpoints in namespace openstack failed: job Job placement-ks-endpoints in namespace openstack is not completed yet .
Entrypoint INFO: 2026/05/04 18:39:56 entrypoint.go:78: Dependency Job placement-ks-endpoints in namespace openstack is resolved.
Entrypoint WARNING: 2026/05/04 18:39:56 kubernetes-entrypoint.go:34: COMMAND env is empty