Error while executing action Revert to Snapshot: Internal Engine Error

Solution In Progress - Updated -

Environment

  • Red Hat Enterprise Virtualization 3.3

Issue

A VM preview was created. This process caused high load on the RHEV-M. Ovirt-engine was restarted, after which the process was showing as completed.
Now, on the VM itself it is impossible to commit or undo the snapshot preview. The following error is displayed:

Error while executing action Revert to Snapshot: Internal Engine Error

Resolution

Some customers have resolved this situation by upgrading to RHEV 3.3.1, this will redeploy all JAR files.

If you are unable to take this course of action, please contact your support representative to further investigate the case.

Root Cause

  • Still under investigation.

Diagnostic Steps

2014-02-17 11:04:14,325 ERROR [org.ovirt.engine.core.utils.ejb.EJBUtilsStrategy] (QuartzScheduler_Worker-77) Failed to lookup resource type: LOCK_MANAGER. JNDI name: java:global/engine/engine-bll/LockManager: java.lang.IllegalStateException
at org.jboss.msc.value.InjectedValue.getValue(InjectedValue.java:47)
at org.jboss.as.naming.service.DefaultNamespaceContextSelectorService$1.getContext(DefaultNamespaceContextSelectorService.java:54)
at org.jboss.as.naming.InitialContext$DefaultInitialContext.findContext(InitialContext.java:193)
at org.jboss.as.naming.InitialContext$DefaultInitialContext.lookup(InitialContext.java:239)
at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:183)
at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:179)
at javax.naming.InitialContext.lookup(InitialContext.java:411) [rt.jar:1.7.0_51]
at javax.naming.InitialContext.lookup(InitialContext.java:411) [rt.jar:1.7.0_51]
at org.ovirt.engine.core.utils.ejb.EJBUtilsStrategy.findBean(EJBUtilsStrategy.java:104) [engine-utils.jar:]
at org.ovirt.engine.core.utils.ejb.EjbUtils.findBean(EjbUtils.java:23) [engine-utils.jar:]
at org.ovirt.engine.core.utils.lock.LockManagerFactory.getLockManager(LockManagerFactory.java:10) [engine-utils.jar:]
at org.ovirt.engine.core.vdsbroker.VdsManager.OnTimer(VdsManager.java:209) [engine-vdsbroker.jar:]
at sun.reflect.GeneratedMethodAccessor154.invoke(Unknown Source) [:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_51]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_51]
at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:60) [engine-scheduler.jar:]
at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz-2.1.2.jar:]
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:557) [quartz-2.1.2.jar:]

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