Change in ovirt-engine[master]: core: Deadlock when removing host

Michael Kublin has submitted this change and it was merged. Change subject: core: Deadlock when removing host ...................................................................... core: Deadlock when removing host The following bug was caused because of couple of parallel actions remove and activate of the same host. Solution lock a host during remove and activate operation. The patch contains: 1. Introduction of lock 2. Clean up and solved pottentional NPE at ActivateVds Change-Id: I52cd739986ff56fab6021bd0b2d5120005dbdb5b Signed-off-by: Michael Kublin <mkublin(a)redhat.com&gt; --- M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/ActivateVdsCommand.java M backend/manager/modules/bll/src/main/java/org/ovirt/engine/core/bll/RemoveVdsCommand.java M backend/manager/modules/common/src/main/java/org/ovirt/engine/core/common/locks/LockingGroup.java 3 files changed, 39 insertions(+), 26 deletions(-) Approvals: Michael Kublin: Verified; Looks good to me, approved -- To view, visit http://gerrit.ovirt.org/5188 To unsubscribe, visit http://gerrit.ovirt.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: I52cd739986ff56fab6021bd0b2d5120005dbdb5b Gerrit-PatchSet: 3 Gerrit-Project: ovirt-engine Gerrit-Branch: master Gerrit-Owner: Michael Kublin <mkublin(a)redhat.com&gt; Gerrit-Reviewer: Michael Kublin <mkublin(a)redhat.com&gt; Gerrit-Reviewer: Yair Zaslavsky <yzaslavs(a)redhat.com&gt;