[ovirt-users] Moving a Hosted Engine from Fedora 20 to CentOS 7

Fri Nov 6 19:38:24 EST 2015

On 10/29/2015 05:49 AM, Roy Golan wrote:
>
>
> On Thu, Oct 29, 2015 at 11:39 AM, Roy Golan <rgolan at redhat.com
> <mailto:rgolan at redhat.com>> wrote:
>
>
>
>     On Wed, Oct 28, 2015 at 10:23 PM, John Florian
>     <jflorian at doubledog.org <mailto:jflorian at doubledog.org>> wrote:
>
>         Can somebody please point me to documentation or describe how
>         I should
>         proceed with this task?  I see lots of pages for moving from a
>         physical
>         engine to a VM and vice-versa but am having no luck finding
>         how to go
>         about building a new HE to obsolete my original.
>
>
>     using ovirt-hosted-engine-setup you can choose a setup without
>     using the appliance. So you can scratch install your VM
>
>
>
> BTW the ovirt-engine-appliacnce we build [1] is Centos based. Seems
> like perfect candidate.
>
> #install the appliance
> yum install ovirt-engine-appliance
>
> #and then run the setup
> ovirt-hosted-engine-setup
>
> choose "disk" in this stage
> Please specify the device to boot the VM from (cdrom, disk, pxe) [cdrom]: disk
>
> it will suggest the downloaded appliance automatically
> See this wiki for reference
> http://www.ovirt.org/Features/HEApplianceFlow#Testing
>

I'm afraid I'm lost here.  Here's a map of my setup:

oVirt 3.5.5 hosted engine is named enceladus-f20 (on Fedora 20)
I have one oVirt 3.5.5 Host named oberon-f20 (also on Fedora 20)
I previously had one other oVirt 3.5.5 Host named ophelia-f20

I took opehlia down, installed CentOS 7 on it and attempted a
"hosted-engine --deploy".  I can't remember if that was 3.5.5 or 3.6,
but I could not add it to my cluster.  From what I could gather
enceladus-f20 provided an emulation type of pc1.0 while ophelia-c7
didn't seem to have anything that matched, the closest being just "pc". 
That looked hopelessly complicated to resolve so I thought I'd try
again, but this time putting F22 on the ophelia and doing a 3.6 HE
deploy saying yes to the redeploy prompt.  This time I was met with:

          Checking for oVirt-Engine status at enceladus-f20.doubledog.org...

[ INFO  ] Engine replied: DB Up!Welcome to Health Status!

[ ERROR ] Cannot automatically add the host to cluster Default: Cannot add Host. Connecting to host via SSH has failed, verify that the host is reachable (IP address, routable address etc.) You may refer to the engine.log file for further details. 

          Please check Engine VM configuration.

On enceladus-f20, I see:

==> /var/log/ovirt-engine/engine.log <==

2015-11-06 19:17:12,085 INFO  [org.ovirt.engine.core.bll.aaa.LoginUserCommand] (ajp--127.0.0.1-8702-9) Running command: LoginUserCommand internal: false.

2015-11-06 19:17:12,128 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (ajp--127.0.0.1-8702-9) Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: User admin at internal logged in.

==> /var/log/ovirt-engine/server.log <==

2015-11-06 19:17:13,654 INFO  [org.apache.sshd.client.session.ClientSessionImpl] (pool-18-thread-1) Client session created

2015-11-06 19:17:13,663 INFO  [org.apache.sshd.client.session.ClientSessionImpl] (pool-18-thread-2) Server version string: SSH-2.0-OpenSSH_6.9

2015-11-06 19:17:13,667 WARN  [org.apache.sshd.client.session.ClientSessionImpl] (pool-18-thread-3) Exception caught: java.lang.IllegalStateException: Unable to negotiate key exchange for kex algorithms (client: diffie-hellman-group1-sha1 / server: curve25519-sha256 at libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1)

        at org.apache.sshd.common.session.AbstractSession.negotiate(AbstractSession.java:1098)

        at org.apache.sshd.common.session.AbstractSession.doHandleMessage(AbstractSession.java:357)

        at org.apache.sshd.common.session.AbstractSession.handleMessage(AbstractSession.java:295)

        at org.apache.sshd.client.session.ClientSessionImpl.handleMessage(ClientSessionImpl.java:266)

        at org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:720)

        at org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:277)

        at org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:54)

        at org.apache.sshd.common.io.nio2.Nio2Session$1.completed(Nio2Session.java:188)

        at org.apache.sshd.common.io.nio2.Nio2Session$1.completed(Nio2Session.java:174)

        at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) [rt.jar:1.7.0_79]

        at sun.nio.ch.Invoker$2.run(Invoker.java:218) [rt.jar:1.7.0_79]

        at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112) [rt.jar:1.7.0_79]

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_79]

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_79]

        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]

==> /var/log/ovirt-engine/engine.log <==

2015-11-06 19:17:13,672 ERROR [org.ovirt.engine.core.bll.AddVdsCommand] (ajp--127.0.0.1-8702-9) [65094082] Failed to establish session with host hosted_engine_2: java.io.IOException: SSH session closed during connection 'root at ophelia.doubledog.org'

        at org.ovirt.engine.core.uutils.ssh.SSHClient.connect(SSHClient.java:309) [uutils.jar:]

        at org.ovirt.engine.core.bll.utils.EngineSSHClient.connect(EngineSSHClient.java:59) [bll.jar:]

        at org.ovirt.engine.core.bll.AddVdsCommand.canConnect(AddVdsCommand.java:465) [bll.jar:]

        at org.ovirt.engine.core.bll.AddVdsCommand.canDoAction(AddVdsCommand.java:364) [bll.jar:]

        at org.ovirt.engine.core.bll.CommandBase.internalCanDoAction(CommandBase.java:768) [bll.jar:]

        at org.ovirt.engine.core.bll.CommandBase.executeAction(CommandBase.java:347) [bll.jar:]

        at org.ovirt.engine.core.bll.Backend.runAction(Backend.java:435) [bll.jar:]

        at org.ovirt.engine.core.bll.Backend.runActionImpl(Backend.java:416) [bll.jar:]

        at org.ovirt.engine.core.bll.Backend.runAction(Backend.java:374) [bll.jar:]

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_79]

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_79]

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_79]

        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_79]

        at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.delegateInterception(Jsr299BindingsInterceptor.java:114) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:125) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:135) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.ovirt.engine.core.bll.interceptors.ThreadLocalSessionCleanerInterceptor.injectWebContextToThreadLocal(ThreadLocalSessionCleanerInterceptor.java:13) [bll.jar:]

        at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source) [:1.7.0_79]

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_79]

        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_79]

        at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:82) [jboss-as-weld-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInNoTx(CMTTxInterceptor.java:211) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.ejb3.tx.CMTTxInterceptor.supports(CMTTxInterceptor.java:363) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:194) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]

        at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]

        at org.ovirt.engine.core.common.interfaces.BackendLocal$$$view6.runAction(Unknown Source) [common.jar:]

        at org.ovirt.engine.api.restapi.resource.BackendResource.doAction(BackendResource.java:264)

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.doCreateEntity(AbstractBackendCollectionResource.java:243)

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:120)

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:110)

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:129)

        at org.ovirt.engine.api.restapi.resource.BackendHostsResource.add(BackendHostsResource.java:100)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_79]

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_79]

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_79]

        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_79]

        at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.2.Final.jar:]

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.RestApiSessionMgmtFilter.doFilter(RestApiSessionMgmtFilter.java:69) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:39) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.LoginFilter.doFilter(LoginFilter.java:74) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.NegotiationFilter.doFilter(NegotiationFilter.java:113) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:90) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.SessionValidationFilter.doFilter(SessionValidationFilter.java:73) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.EngineSessionTokenAuthenticationFilter.doFilter(EngineSessionTokenAuthenticationFilter.java:31) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.core.aaa.filters.RestApiSessionValidationFilter.doFilter(RestApiSessionValidationFilter.java:32) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.ovirt.engine.api.common.security.CSRFProtectionFilter.doFilter(CSRFProtectionFilter.java:110)

        at org.ovirt.engine.api.common.security.CSRFProtectionFilter.doFilter(CSRFProtectionFilter.java:101)

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)

        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)

        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)

        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489)

        at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)

        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)

        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)

        at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:466)

        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)

        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)

        at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:505)

        at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:445)

        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)

        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]

2015-11-06 19:17:13,708 WARN  [org.ovirt.engine.core.bll.AddVdsCommand] (ajp--127.0.0.1-8702-9) [65094082] CanDoAction of action AddVds failed for user admin at internal. Reasons: VAR__ACTION__ADD,VAR__TYPE__HOST,$server ophelia.doubledog.org,VDS_CANNOT_CONNECT_TO_SERVER

2015-11-06 19:17:13,728 ERROR [org.ovirt.engine.api.restapi.resource.AbstractBackendResource] (ajp--127.0.0.1-8702-9) Operation Failed: [Cannot add Host. Connecting to host via SSH has failed, verify that the host is reachable (IP address, routable address etc.) You may refer to the engine.log file for further details.]

==> /var/log/ovirt-engine/server.log <==

2015-11-06 19:17:13,729 WARN  [org.jboss.resteasy.core.SynchronousDispatcher] (ajp--127.0.0.1-8702-9) failed to execute: org.ovirt.engine.api.restapi.resource.BaseBackendResource$WebFaultException

        at org.ovirt.engine.api.restapi.resource.BaseBackendResource.handleError(BaseBackendResource.java:255) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.BaseBackendResource.handleError(BaseBackendResource.java:230) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.doCreateEntity(AbstractBackendCollectionResource.java:245) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:120) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:110) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.AbstractBackendCollectionResource.performCreate(AbstractBackendCollectionResource.java:129) [restapi-jaxrs.jar:]

        at org.ovirt.engine.api.restapi.resource.BackendHostsResource.add(BackendHostsResource.java:100) [restapi-jaxrs.jar:]

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_79]

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_79]

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_79]

        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_79]

        at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.2.Final.jar:]

        at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.2.Final.jar:]

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.RestApiSessionMgmtFilter.doFilter(RestApiSessionMgmtFilter.java:69) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.EnforceAuthFilter.doFilter(EnforceAuthFilter.java:39) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.LoginFilter.doFilter(LoginFilter.java:74) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.NegotiationFilter.doFilter(NegotiationFilter.java:113) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:90) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.SessionValidationFilter.doFilter(SessionValidationFilter.java:73) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.EngineSessionTokenAuthenticationFilter.doFilter(EngineSessionTokenAuthenticationFilter.java:31) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.core.aaa.filters.RestApiSessionValidationFilter.doFilter(RestApiSessionValidationFilter.java:32) [aaa.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.ovirt.engine.api.common.security.CSRFProtectionFilter.doFilter(CSRFProtectionFilter.java:110) [interface-common-jaxrs.jar:]

        at org.ovirt.engine.api.common.security.CSRFProtectionFilter.doFilter(CSRFProtectionFilter.java:101) [interface-common-jaxrs.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489) [jbossweb-7.0.13.Final.jar:]

        at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]

        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]

        at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:466) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]

        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]

        at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:505) [jbossweb-7.0.13.Final.jar:]

        at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:445) [jbossweb-7.0.13.Final.jar:]

        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]

        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]

I don't understand the ssh failure.  From enceladus-f20, I can ssh as
root into ophelia-f22 and vice versa.  I really don't care if it's all
Fedora or CentOS or a mix, my primary objective is to just be on 3.6...
somehow.

-- 
John Florian

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