HTTP Status 500 - type Exception report

description The server encountered an internal error () that prevented it from fulfilling this request.

org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException
	org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:340)
	org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)
	org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)
	org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:540)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
	org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	org.ovirt.engine.core.aaa.AuthenticationFilter.doFilter(AuthenticationFilter.java:84)
root cause

java.lang.NullPointerException
	org.ovirt.engine.api.restapi.resource.BaseBackendResource.localize(BaseBackendResource.java:320)
	org.ovirt.engine.api.restapi.resource.BaseBackendResource.handleError(BaseBackendResource.java:262)
	org.ovirt.engine.api.restapi.resource.BackendResource.getEntity(BackendResource.java:98)
	org.ovirt.engine.api.restapi.util.VmHelper.getVirtioScsiControllersForEntity(VmHelper.java:22)
	org.ovirt.engine.api.restapi.resource.BackendVmsResource.setVirtioScsiController(BackendVmsResource.java:592)
	org.ovirt.engine.api.restapi.resource.BackendVmsResource.doPopulate(BackendVmsResource.java:624)
	org.ovirt.engine.api.restapi.resource.BackendVmsResource.doPopulate(BackendVmsResource.java:67)
	org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.mapEntity(AbstractBackendCollectionResource.java:256)
	org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.fetchCreatedEntity(AbstractBackendCollectionResource.java:216)
	org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:122)
	org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:109)
	org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:128)
	org.ovirt.engine.api.restapi.resource.BackendVmsResource.addVmFromScratch(BackendVmsResource.java:386)
	org.ovirt.engine.api.restapi.resource.BackendVmsResource.add(BackendVmsResource.java:144)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:606)
	org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)
	org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)
	org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)
	org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)
	org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)
	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
	org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
	org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
	org.ovirt.engine.core.aaa.AuthenticationFilter.doFilter(AuthenticationFilter.java:84)
note The full stack trace of the root cause is available in the JBoss Web/7.0.0.SNAPSHOT logs.