Created attachment 555776 [details]
logs

Description of problem:

trying to extend a domain fails when there is more then once host in the cluster. 

we are also getting NPE ExtendSANStorageDomainCommand

Version-Release number of selected component (if applicable):

ovirt-engine-backend-3.0.0_0001-1.1.fc16.x86_64
vdsm-4.9.3.1-0.fc16.x86_64
libvirt-java-0.4.7-2.fc15.noarch

How reproducible:

100%

Steps to Reproduce:
1. create a storage domain (I tested with iscsi)
2. try to extend the domain while you have two active hosts in cluster
3.
  
Actual results:

operation will fail with Can_Do_Action and NPE on Can_Do_Action

Please note that if I put hsm hosts in maintenance I can extend the domain. 

Expected results:

we should be able to extend domain when there is more then one active host

Additional info:full logs attached


2012-01-17 15:20:28,301 ERROR [org.ovirt.engine.core.bll.storage.ConnectAllHostsToLunCommand] (http--0.0.0.0-8080-1) Transaction rolled-back for command: org.ovirt.engine.core.bll.storage.ConnectAllHostsToLunCommand.
2012-01-17 15:20:28,314 ERROR [org.ovirt.engine.core.bll.storage.ExtendSANStorageDomainCommand] (http--0.0.0.0-8080-1) Error during CanDoActionFailure.: java.lang.NullPointerException
        at org.ovirt.engine.core.bll.storage.ExtendSANStorageDomainCommand.canDoAction(ExtendSANStorageDomainCommand.java:55) [engine-bll.jar:]
        at org.ovirt.engine.core.bll.CommandBase.InternalCanDoAction(CommandBase.java:385) [engine-bll.jar:]
        at org.ovirt.engine.core.bll.CommandBase.ExecuteAction(CommandBase.java:205) [engine-bll.jar:]
        at org.ovirt.engine.core.bll.Backend.runActionImpl(Backend.java:262) [engine-bll.jar:]
        at org.ovirt.engine.core.bll.Backend.RunAction(Backend.java:244) [engine-bll.jar:]
        at sun.reflect.GeneratedMethodAccessor194.invoke(Unknown Source) [:1.6.0_22]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [:1.6.0_22]
        at java.lang.reflect.Method.invoke(Method.java:616) [:1.6.0_22]
        at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:]
        at org.ovirt.engine.core.utils.ThreadLocalSessionCleanerInterceptor.injectWebContextToThreadLocal(ThreadLocalSessionCleanerInterceptor.java:11) [utils-3.0.0-0001.jar:]
        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source) [:1.6.0_22]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [:1.6.0_22]
        at java.lang.reflect.Method.invoke(Method.java:616) [:1.6.0_22]
        at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123) [jboss-as-ee-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) [jboss-as-ejb3-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInNoTx(CMTTxInterceptor.java:221) [jboss-as-ejb3-7.1.0.Beta1b.jar:]
        at org.jboss.as.ejb3.tx.CMTTxInterceptor.supports(CMTTxInterceptor.java:367) [jboss-as-ejb3-7.1.0.Beta1b.jar:]
        at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:205) [jboss-as-ejb3-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
        at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:44) [jboss-as-ee-7.1.0.Beta1b.jar:]
        at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:]
: