Below is the operation and provisioning data that the MailmanProvisioner receives when a user leaves the open group with CoGroup.id = 8 and CoGroup.description = 'people who eat dinner'. Notice that both [CoGroupMember][2][member] and [CoGroupMember][2][owner] are null/empty, but [CoGroupMember][2][member][CoGroup][EmailListMember] is not empty. Because it is not empty the MailmanProvisioner thinks that the user is still part of the group/list and there is never a call over the REST API to Mailman to remove the user from the list. 2019-07-01 10:59:56 Error: op is PU 2019-07-01 10:59:56 Error: provisioningData is Array ( [CoPerson] => Array ( [id] => 5 [co_id] => 2 [status] => A [timezone] => [created] => 2019-02-20 15:29:23 [modified] => 2019-06-27 17:35:31 [co_person_id] => [revision] => 13 [deleted] => [actor_identifier] => registry.admin ) [Co] => Array ( [id] => 2 [name] => MESS [description] => Medium Energy Synchrotron Source [status] => A [created] => 2019-01-14 13:46:20 [modified] => 2019-01-14 13:46:20 ) [PrimaryName] => Array ( [id] => 6 [honorific] => [given] => Scott [middle] => [family] => Koranda [suffix] => [type] => official [language] => [co_person_id] => 5 [org_identity_id] => [primary_name] => 1 [source_name_id] => [created] => 2019-02-20 15:29:23 [modified] => 2019-02-20 15:29:23 [name_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin ) [CoGroupMember] => Array ( [0] => Array ( [id] => 5 [co_group_id] => 6 [co_person_id] => 5 [member] => 1 [owner] => [valid_from] => [valid_through] => [source_org_identity_id] => [created] => 2019-02-20 15:29:23 [modified] => 2019-02-20 15:29:23 [co_group_member_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin [CoGroup] => Array ( [id] => 6 [co_id] => 2 [cou_id] => [name] => CO:members:all [description] => MESS Members [open] => [status] => A [group_type] => M [auto] => 1 [created] => 2019-01-14 13:46:20 [modified] => 2019-01-14 13:46:20 [co_group_id] => [revision] => 0 [deleted] => [actor_identifier] => http://cilogon.org/serverA/users/22981 [EmailListAdmin] => Array ( ) [EmailListMember] => Array ( ) [EmailListModerator] => Array ( ) ) ) [1] => Array ( [id] => 21 [co_group_id] => 5 [co_person_id] => 5 [member] => 1 [owner] => [valid_from] => [valid_through] => [source_org_identity_id] => [created] => 2019-06-27 17:35:32 [modified] => 2019-06-27 17:35:32 [co_group_member_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin [CoGroup] => Array ( [id] => 5 [co_id] => 2 [cou_id] => [name] => CO:members:active [description] => MESS Active Members [open] => [status] => A [group_type] => MA [auto] => 1 [created] => 2019-01-14 13:46:20 [modified] => 2019-01-14 13:46:20 [co_group_id] => [revision] => 0 [deleted] => [actor_identifier] => http://cilogon.org/serverA/users/22981 [EmailListAdmin] => Array ( ) [EmailListMember] => Array ( ) [EmailListModerator] => Array ( ) ) ) [2] => Array ( [id] => 39 [co_group_id] => 8 [co_person_id] => 5 [member] => [owner] => [valid_from] => [valid_through] => [source_org_identity_id] => [created] => 2019-06-27 21:56:19 [modified] => 2019-07-01 10:59:56 [co_group_member_id] => [revision] => 39 [deleted] => [actor_identifier] => scott.koranda [CoGroup] => Array ( [id] => 8 [co_id] => 2 [cou_id] => [name] => dinner [description] => people who eat dinner [open] => 1 [status] => A [group_type] => S [auto] => [created] => 2019-05-08 14:39:55 [modified] => 2019-06-27 19:50:29 [co_group_id] => [revision] => 1 [deleted] => [actor_identifier] => registry.admin [EmailListAdmin] => Array ( ) [EmailListMember] => Array ( [0] => Array ( [id] => 5 [co_id] => 2 [name] => Dinner [description] => Dinner [admins_co_group_id] => 4 [members_co_group_id] => 8 [moderators_co_group_id] => 4 [status] => A [created] => 2019-05-08 14:44:30 [modified] => 2019-05-08 14:44:30 [co_email_list_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin ) ) [EmailListModerator] => Array ( ) ) ) ) [CoOrgIdentityLink] => Array ( [0] => Array ( [id] => 3 [co_person_id] => 5 [org_identity_id] => 3 [created] => 2019-02-20 15:29:23 [modified] => 2019-02-20 15:29:23 [co_org_identity_link_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin [OrgIdentity] => Array ( [id] => 3 [status] => [affiliation] => [title] => [o] => [ou] => [co_id] => 2 [valid_from] => [valid_through] => [created] => 2019-02-20 15:28:19 [modified] => 2019-02-20 15:28:19 [org_identity_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin [OrgIdentitySourceRecord] => Array ( ) [Identifier] => Array ( [0] => Array ( [id] => 4 [identifier] => scott.koranda [type] => sorid [login] => 1 [status] => A [co_person_id] => [org_identity_id] => 3 [co_department_id] => [source_identifier_id] => [co_provisioning_target_id] => [created] => 2019-02-20 15:28:51 [modified] => 2019-02-20 15:28:51 [identifier_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin ) ) ) ) ) [CoPersonRole] => Array ( [0] => Array ( [id] => 3 [co_person_id] => 5 [sponsor_co_person_id] => [cou_id] => [affiliation] => member [title] => [o] => Mess [ou] => [valid_from] => [valid_through] => [ordr] => [status] => A [source_org_identity_id] => [created] => 2019-02-20 15:30:04 [modified] => 2019-02-20 15:30:04 [co_person_role_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin [Cou] => Array ( ) [Address] => Array ( ) [TelephoneNumber] => Array ( ) ) ) [CoTAndCAgreement] => Array ( ) [EmailAddress] => Array ( [0] => Array ( [id] => 4 [mail] => Skoranda@gmail.com [description] => [type] => official [verified] => [co_person_id] => 5 [org_identity_id] => [co_department_id] => [source_email_address_id] => [created] => 2019-02-20 15:30:29 [modified] => 2019-05-09 10:54:50 [email_address_id] => [revision] => 3 [deleted] => [actor_identifier] => registry.admin ) ) [Identifier] => Array ( [0] => Array ( [id] => 9 [identifier] => b36c6aa103b54d1288a36d682ca8c5ea [type] => provisioningtarget [login] => [status] => A [co_person_id] => 5 [org_identity_id] => [co_department_id] => [source_identifier_id] => [co_provisioning_target_id] => 1 [created] => 2019-05-08 13:28:33 [modified] => 2019-05-08 13:28:33 [identifier_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin ) ) [Name] => Array ( [0] => Array ( [id] => 6 [honorific] => [given] => Scott [middle] => [family] => Koranda [suffix] => [type] => official [language] => [co_person_id] => 5 [org_identity_id] => [primary_name] => 1 [source_name_id] => [created] => 2019-02-20 15:29:23 [modified] => 2019-02-20 15:29:23 [name_id] => [revision] => 0 [deleted] => [actor_identifier] => registry.admin ) ) [SshKey] => Array ( ) [Url] => Array ( ) )