<div dir="ltr"><div>Hello, Everyone!</div><div><br></div><div> I'm create Volume on web ,failed error msg is '<span style="color:rgb(0,0,0);font-family:'Arial Unicode MS',Arial,sans-serif">Error while executing action: General command validation failure.</span>'. like this:</div>
<div><img src="cid:ii_140bdab2bb22a28e" alt="ÄÚǶͼƬ 1"><br></div><div>The engine.log detail :</div><div><br></div><br><div><div>2013-08-27 10:44:32,987 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-45) START, GlusterServicesListVDSCommand(HostName = Agent-103, HostId = 2ffe6e0c-b3aa-4d68-bdb8-ab1979b4651f), log id: 279d3c1f</div>
<div>2013-08-27 10:44:32,987 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-47) START, GlusterServicesListVDSCommand(HostName = Agent-102, HostId = e8838320-4532-497f-b092-6d624dadae88), log id: 56dc9baa</div>
<div>2013-08-27 10:44:32,987 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-50) START, GlusterServicesListVDSCommand(HostName = Agent-104, HostId = de558ba5-4326-4e5b-b5a5-b334fc044ffd), log id: 70c48fa8</div>
<div>2013-08-27 10:44:32,987 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-48) START, GlusterServicesListVDSCommand(HostName = Agent-105, HostId = ba096935-6328-4733-bbf4-72d69490c382), log id: 21c493d1</div>
<div>2013-08-27 10:44:33,053 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-47) FINISH, GlusterServicesListVDSCommand, return: [org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@3e4d5db1, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@24e75494, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@6ab470ad, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@514f8762, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@9672270, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@d480e72f, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@9f9aabee], log id: 56dc9baa</div>
<div>2013-08-27 10:44:33,053 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-45) FINISH, GlusterServicesListVDSCommand, return: [org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@9d386d64, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@83d26447, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@c99f8060, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@b03a9715, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@68523223, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@336bf6e2, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@fe85bba1], log id: 279d3c1f</div>
<div>2013-08-27 10:44:33,145 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-50) FINISH, GlusterServicesListVDSCommand, return: [org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@3d1f17ef, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@23b90ed2, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@69862aeb, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@502141a0, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@838dcae, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@d352a16d, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@9e6c662c], log id: 70c48fa8</div>
<div>2013-08-27 10:44:33,204 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServicesListVDSCommand] (pool-6-thread-48) FINISH, GlusterServicesListVDSCommand, return: [org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@d0ecad74, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@b786a457, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@fd53c070, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@e3eed725, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@9c067233, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@672036f2, org.ovirt.engine.core.common.businessentities.gluster.GlusterServerService@3239fbb1], log id: 21c493d1</div>
<div>2013-08-27 10:44:33,647 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServersListVDSCommand] (DefaultQuartzScheduler_Worker-14) START, GlusterServersListVDSCommand(HostName = Agent-105, HostId = ba096935-6328-4733-bbf4-72d69490c382), log id: 4a0587a2</div>
<div>2013-08-27 10:44:33,683 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterServersListVDSCommand] (DefaultQuartzScheduler_Worker-14) FINISH, GlusterServersListVDSCommand, return: [169.254.95.120:CONNECTED, 172.28.26.102:CONNECTED, 172.28.26.103:CONNECTED, 172.28.26.104:CONNECTED], log id: 4a0587a2</div>
<div>2013-08-27 10:44:33,686 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterVolumesListVDSCommand] (DefaultQuartzScheduler_Worker-14) START, GlusterVolumesListVDSCommand(HostName = Agent-105, HostId = ba096935-6328-4733-bbf4-72d69490c382), log id: 619bfdbf</div>
<div>2013-08-27 10:44:33,706 INFO [org.ovirt.engine.core.vdsbroker.gluster.GlusterVolumesListVDSCommand] (DefaultQuartzScheduler_Worker-14) FINISH, GlusterVolumesListVDSCommand, return: {}, log id: 619bfdbf</div><div>2013-08-27 10:44:34,337 ERROR [org.ovirt.engine.core.bll.gluster.CreateGlusterVolumeCommand] (ajp--127.0.0.1-8702-3) Error during CanDoActionFailure.: java.lang.NullPointerException</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.gluster.CreateGlusterVolumeCommand.getValidationGroups(CreateGlusterVolumeCommand.java:76) [bll.jar:]</div><div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.CommandBase.validateInputs(CommandBase.java:809) [bll.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.CommandBase.internalCanDoAction(CommandBase.java:742) [bll.jar:]</div><div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.CommandBase.executeAction(CommandBase.java:359) [bll.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.Backend.runAction(Backend.java:404) [bll.jar:]</div><div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.Backend.runActionImpl(Backend.java:387) [bll.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.Backend.RunAction(Backend.java:345) [bll.jar:]</div><div><span class="" style="white-space:pre"> </span>at sun.reflect.GeneratedMethodAccessor71.invoke(Unknown Source) [:1.7.0_09-icedtea]</div>
<div><span class="" style="white-space:pre"> </span>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_09-icedtea]</div><div><span class="" style="white-space:pre"> </span>at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_09-icedtea]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.bll.interceptors.ThreadLocalSessionCleanerInterceptor.injectWebContextToThreadLocal(ThreadLocalSessionCleanerInterceptor.java:13) [bll.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) [:1.7.0_09-icedtea]</div><div><span class="" style="white-space:pre"> </span>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_09-icedtea]</div>
<div><span class="" style="white-space:pre"> </span>at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_09-icedtea]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:123) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>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]</div><div>
<span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInNoTx(CMTTxInterceptor.java:211) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.tx.CMTTxInterceptor.supports(CMTTxInterceptor.java:363) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:194) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:173) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation-1.1.1.Final.jar:1.1.1.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee-7.1.1.Final.jar:7.1.1.Final]</div><div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.common.interfaces.BackendLocal$$$view10.RunAction(Unknown Source) [common.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.ui.frontend.server.gwt.GenericApiGWTServiceImpl.RunAction(GenericApiGWTServiceImpl.java:131)</div><div><span class="" style="white-space:pre"> </span>at sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source) [:1.7.0_09-icedtea]</div>
<div><span class="" style="white-space:pre"> </span>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_09-icedtea]</div><div><span class="" style="white-space:pre"> </span>at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_09-icedtea]</div>
<div><span class="" style="white-space:pre"> </span>at com.google.gwt.rpc.server.RPC.invokeAndStreamResponse(RPC.java:196)</div><div><span class="" style="white-space:pre"> </span>at com.google.gwt.rpc.server.RpcServlet.processCall(RpcServlet.java:172)</div>
<div><span class="" style="white-space:pre"> </span>at com.google.gwt.rpc.server.RpcServlet.processPost(RpcServlet.java:233)</div><div><span class="" style="white-space:pre"> </span>at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)</div>
<div><span class="" style="white-space:pre"> </span>at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]</div><div><span class="" style="white-space:pre"> </span>at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)</div>
<div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.ui.frontend.server.gwt.GwtCachingFilter.doFilter(GwtCachingFilter.java:132)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)</div><div><span class="" style="white-space:pre"> </span>at org.ovirt.engine.core.utils.servlet.LocaleFilter.doFilter(LocaleFilter.java:59) [utils.jar:]</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489)</div><div><span class="" style="white-space:pre"> </span>at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</div>
<div><span class="" style="white-space:pre"> </span>at org.jboss.web.rewrite.RewriteValve.invoke(RewriteValve.java:466)</div><div><span class="" style="white-space:pre"> </span>at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)</div><div><span class="" style="white-space:pre"> </span>at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:505)</div>
<div><span class="" style="white-space:pre"> </span>at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:445)</div><div><span class="" style="white-space:pre"> </span>at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)</div>
<div><span class="" style="white-space:pre"> </span>at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_09-icedtea]</div></div><div><br></div><div><br></div><div>Thanks all !</div></div>