[ovirt-users] problem with engine proxy URL

hi all i configure my ovirt engine httpd for ommit "ovirt-engine" in URL's with bellow lines: ProxyRequests on SSLProxyEngine on SSLProxyVerify none SSLProxyCheckPeerCN off SSLProxyCheckPeerName off SSLProxyCheckPeerExpire off ProxyPassMatch ^/(webadmin|UserPortal|Components|api|docs|services|manual)(/.*)?$ https://127.0.0.1/ovirt-engine/$1$2 i can show webadmin page with "https://myserver/webadmin/" but username,password,profile and login button are disable. and in server.log add a following error: ERROR [io.undertow.servlet] (default task-14) Exception while dispatching incoming RPC call: com.google.gwt.user.client.rpc.SerializationException: Type 'com.google.gwt.user.client.rpc.XsrfToken' was not assignable to 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a custom field serializer.For security purposes, this type will not be serialized.: instance = com.google.gwt.user.client.rpc.XsrfToken@4b9152e how can i do for resolve this issue? tanks.