Created attachment 1304602 [details] engine , vdsm logs and REST response print screen Description of problem: RESTAPI- DELETE a storage connection from ISCSI SD in maintenance - response 500 internal server error although connection is deleted Version-Release number of selected component (if applicable): Engine - 4.2.0-0.0.master.20170723141021.git463826a.el7.centos VDSM - 4.20.1-232.gitca44245.el7.centos.x86_64 How reproducible: 100% Steps to Reproduce: 1) Create&activate 2 SD's : 1 Master SD NFS & additional Non master ISCSI SD 2) change iscsi SD to maintenance (deactivate SD ) manual or via rest API : Operation = POST URL: https://storage-ge-04.scl.lab.tlv.redhat.com/ovirt-engine/api/datacenters/ca21c068-eb68-4da4-8111-4cdb91de191e/storagedomains/2af51fad-b583-4777-a306-0964153558a3/deactivate 3add5/deactivate body /deactivate body: <action> <async>false</async> <grace_period> <expiry>10</expiry> </grace_period> </action> 3) Check for existing ISCSI SD connections via url & see 1 connection exist-> https://storage-ge-04.scl.lab.tlv.redhat.com/ovirt-engine/api/storagedomains/2af51fad-b583-4777-a306-0964153558a3/storageconnections The following response is given ( 1 connection exist ) : <storage_connections> <storage_connection href="/ovirt-engine/api/storageconnections/167b8591-a933-4a1b-ac06-a9cd7d24b0e3" id="167b8591-a933-4a1b-ac06-a9cd7d24b0e3"> <address>10.35.146.129</address> <port>3260</port> <target> iqn.2008-05.com.xtremio:xio00153500071-514f0c50023f6c00 </target> <type>iscsi</type> </storage_connection> </storage_connections> 4) Via REST API perform DELET storage connection session: Request: operation = DELETE URL =https://storage-ge-04.scl.lab.tlv.redhat.com/ovirt-engine/api/storagedomains/2af51fad-b583-4777-a306-0964153558a3/storageconnections/167b8591-a933-4a1b-ac06-a9cd7d24b0e3 Body = Empty Actual results: Session is delete (as expected) BUT the RESTAPI response is error Internal Server Error (500) instead of success . Response: <html> <head> <title>Error</title> </head> <body>Internal Server Error</body> </html> response body : Could not find MessageBodyWriter for response object of type: org.ovirt.engine.api.model.Action of media type: application/octet-stream Expected results: Session should be deleted & No Error should occur. Additional info: Checking storage connection on that SD again you can see connection was removed as expected. Engine 2017-07-26 08:46:00,270+03 WARN [org.ovirt.engine.core.dal.job.ExecutionMessageDirector] (default task-1) [50fce781-3e6b-4a60-81c2-e03b1bc44f5c] The message key 'DetachStorageConnectionFromStorageDomain' is missing from 'bundles/ExecutionMessages' VDSM: 2017-07-26 08:41:44,837+0300 INFO (jsonrpc/5) [vdsm.api] START disconnectStorageServer(domType=3, spUUID='ca21c068-eb68-4da4-8111-4cdb91de191e', conList=[{'id': '167b8591-a933-4a1b-ac06-a9cd7d24b0e3', 'connection': '10.35.146.129', 'iqn': 'iqn.2008-05.com.xtremio:xio00153500071-514f0c50023f6c00', 'user': u'', 'tpgt': '1', 'password': '********', 'port': '3260'}], options=None) from=::ffff:10.35.161.118,53072, flow_id=663d10cf, task_id=9f49c222-f171-41ff-85b4-ead1297e2f5b (api:46) 2017-07-26 08:41:45,465+0300 WARN (monitor/54a8266) [storage.Multipath] Map '3514f0c5a51600268' has no slaves (multipath:107) 2017-07-26 08:41:46,235+0300 INFO (jsonrpc/5) [vdsm.api] FINISH disconnectStorageServer return={'statuslist': [{'status': 0, 'id': '167b8591-a933-4a1b-ac06-a9cd7d24b0e3'}]} from=::ffff:10.35.161.118,53072, flow_id=663d10cf, task_id=9f49c222-f171-41ff-85b4-ead1297e2f5b (api:52) 2017-07-26 08:41:46,533+0300 WARN (monitor/b3947b5) [storage.Multipath] Map '3514f0c5a51600268' has no slaves (multipath:107) 2017-07-26 08:57:34,535+0300 INFO (jsonrpc/6) [vdsm.api] START disconnectStorageServer(domType=3, spUUID='ca21c068-eb68-4da4-8111-4cdb91de191e', conList=[{'id': '167b8591-a933-4a1b-ac06-a9cd7d24b0e3', 'connection': '10.35.146.129', 'iqn': 'iqn.2008-05.com.xtremio:xio00153500071-514f0c50023f6c00', 'user': u'', 'tpgt': '1', 'password': '********', 'port': '3260'}], options=None) from=::ffff:10.35.161.118,53072, flow_id=72584289, task_id=751ebf33-4c1b-490f-b64d-082c601a2556 (api:46) 2017-07-26 08:57:35,546+0300 INFO (jsonrpc/6) [vdsm.api] FINISH disconnectStorageServer return={'statuslist': [{'status': 0, 'id': '167b8591-a933-4a1b-ac06-a9cd7d24b0e3'}]} from=::ffff:10.35.161.118,53072, flow_id=72584289, task_id=751ebf33-4c1b-490f-b64d-082c601a2556 (api:52)
This issue is not a new issue (not regression), occur also in 4.1.
verified at 4.2.0-0.0.master.20170803140556.git1e7d0dd.el7.centos. This issue is not seen anymore & the 500 server error failure is gone. However, a new issue is seen as detaching a connection which is also used from a another SD - Opened Bug 1478869 on this issue.
This bugzilla is included in oVirt 4.2.0 release, published on Dec 20th 2017. Since the problem described in this bug report should be resolved in oVirt 4.2.0 release, published on Dec 20th 2017, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.