RHV Admin Portal became inaccessible after the ovirt-engine service was restarted
Issue
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Unable to login to the RHV Admin Portal.
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An error was displayed in the browser window;
(org.ovirt.engine.core.common.action.ActionType,org.ovirt.engine.core.common.action.ActionParametersBase,org.ovirt.engine.core.bll.context.CommandContext): javax.ejb.EJBException: org.apache.commons.lang.SerializationException: org.codehaus.jackson.map.JsonMappingException: No default constructor for [collection type; class java.util.HashMap$KeySet, contains [simple type, class org.ovirt.engine.core.compat.Guid]] (through reference chain: org.ovirt.engine.core.common.action.CreateSnapshotForVmParameters["diskIds"])
Environment
- Red Hat Virtualization (RHV) 4.2.5
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