Description of problem:
engine_api.hosts.add fails if called passing reboot_after_installation optional parameter

Version-Release number of selected component (if applicable):
ovirt-engine-restapi.noarch      4.0.0-0.0.master.20150821161501.git8394dea.el7.centos

How reproducible:
100%

Steps to Reproduce:
1. call engine_api.hosts.add passing also reboot_after_installation=False
2.
3.

Actual results:
2015-09-02 09:38:59,343 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-5) [] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: User admin@internal logged in.
2015-09-02 09:40:07,328 ERROR [org.ovirt.engine.api.restapi.resource.validation.IOExceptionMapper] (default task-9) [] IO exception while processing "POST" request for path "/hosts"
2015-09-02 09:40:07,330 ERROR [org.ovirt.engine.api.restapi.resource.validation.IOExceptionMapper] (default task-9) [] Exception: java.io.IOException: javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"reboot_after_installation"). Expected elements are <{}port>,<{}summary>,<{}external_host_provider>,<{}storage_connection_extensions>,<{}hooks>,<{}update_available>,<{}link>,<{}max_scheduling_memory>,<{}hardware_information>,<{}spm>,<{}auto_numa_status>,<{}type>,<{}creation_status>,<{}live_snapshot_support>,<{}ssh>,<{}statistics>,<{}version>,<{}selinux>,<{}kdump_status>,<{}iscsi>,<{}certificate>,<{}description>,<{}name>,<{}storage_manager>,<{}ksm>,<{}os>,<{}protocol>,<{}status>,<{}libvirt_version>,<{}cpu>,<{}override_iptables>,<{}device_passthrough>,<{}display>,<{}memory>,<{}katello_errata>,<{}root_password>,<{}power_management>,<{}numa_supported>,<{}address>,<{}hosted_engine>,<{}cluster>,<{}comment>,<{}external_status>,<{}actions>,<{}transparent_hugepages>
        at org.ovirt.engine.api.restapi.xml.JAXBProvider.readFrom(JAXBProvider.java:190) [restapi-jaxrs.jar:]
        at org.ovirt.engine.api.restapi.xml.JAXBProvider.readFrom(JAXBProvider.java:152) [restapi-jaxrs.jar:]
        at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.readFrom(AbstractReaderInterceptorContext.java:59) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.interception.ServerReaderInterceptorContext.readFrom(ServerReaderInterceptorContext.java:62) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:51) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.security.doseta.DigitalVerificationInterceptor.aroundReadFrom(DigitalVerificationInterceptor.java:32) [resteasy-crypto-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.plugins.interceptors.encoding.GZIPDecodingInterceptor.aroundReadFrom(GZIPDecodingInterceptor.java:59) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.interception.AbstractReaderInterceptorContext.proceed(AbstractReaderInterceptorContext.java:53) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.MessageBodyParameterInjector.inject(MessageBodyParameterInjector.java:150) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.MethodInjectorImpl.injectArguments(MethodInjectorImpl.java:89) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:112) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56) [resteasy-jaxrs-3.0.10.Final.jar:]
        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51) [resteasy-jaxrs-3.0.10.Final.jar:]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [jboss-servlet-api_3.1_spec-1.0.0.Final.jar:1.0.0.Final]
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.api.common.invocation.CurrentFilter.doFilter(CurrentFilter.java:66) [interface-common-jaxrs.jar:]
        at org.ovirt.engine.api.common.invocation.CurrentFilter.doFilter(CurrentFilter.java:48) [interface-common-jaxrs.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.core.aaa.filters.RestApiSessionMgmtFilter.doFilter(RestApiSessionMgmtFilter.java:81) [aaa.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.core.aaa.filters.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:39) [aaa.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.core.aaa.filters.LoginFilter.doFilter(LoginFilter.java:75) [aaa.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.core.aaa.filters.NegotiationFilter.doFilter(NegotiationFilter.java:113) [aaa.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at org.ovirt.engine.core.aaa.filters.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:90) [aaa.jar:]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet.jar:1.1.5.Final]
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core.jar:1.1.5.Final]
        at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) [undertow-core.jar:1.1.5.Final]
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) [undertow-core.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) [undertow-core.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) [undertow-core.jar:1.1.5.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core.jar:1.1.5.Final]
        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core.jar:1.1.5.Final]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:248) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:77) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:167) [undertow-servlet.jar:1.1.5.Final]
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199) [undertow-core.jar:1.1.5.Final]
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:766) [undertow-core.jar:1.1.5.Final]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_85]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_85]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_85]
Caused by: javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"reboot_after_installation"). Expected elements are <{}port>,<{}summary>,<{}external_host_provider>,<{}storage_connection_extensions>,<{}hooks>,<{}update_available>,<{}link>,<{}max_scheduling_memory>,<{}hardware_information>,<{}spm>,<{}auto_numa_status>,<{}type>,<{}creation_status>,<{}live_snapshot_support>,<{}ssh>,<{}statistics>,<{}version>,<{}selinux>,<{}kdump_status>,<{}iscsi>,<{}certificate>,<{}description>,<{}name>,<{}storage_manager>,<{}ksm>,<{}os>,<{}protocol>,<{}status>,<{}libvirt_version>,<{}cpu>,<{}override_iptables>,<{}device_passthrough>,<{}display>,<{}memory>,<{}katello_errata>,<{}root_password>,<{}power_management>,<{}numa_supported>,<{}address>,<{}hosted_engine>,<{}cluster>,<{}comment>,<{}external_status>,<{}actions>,<{}transparent_hugepages>
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:662)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:258)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:253)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:120)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.childElement(Loader.java:105)
        at com.sun.xml.bind.v2.runtime.unmarshaller.StructureLoader.childElement(StructureLoader.java:262)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:498)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:480)
        at com.sun.xml.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:75)
        at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:246)
        at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:180)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:415)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:386)
        at org.ovirt.engine.api.restapi.xml.JAXBProvider.readFrom(JAXBProvider.java:177) [restapi-jaxrs.jar:]
        ... 85 more


Expected results:
It works as before

Additional info:
hosted-engine-setup is failing