Encountered in LOTE Alpha9-SNAPSHOT

[31m15:44:04,058 ERROR [com.thinkaurelius.titan.graphdb.database.StandardTitanGraph] (default task-3) Could not commit transaction [13] due to exception: com.thinkaurelius.titan.diskstorage.locking.PermanentLockingException: Local lock contention
at com.thinkaurelius.titan.diskstorage.locking.AbstractLocker.writeLock(AbstractLocker.java:323)
at com.thinkaurelius.titan.diskstorage.locking.consistentkey.ExpectedValueCheckingStore.acquireLock(ExpectedValueCheckingStore.java:89)
at com.thinkaurelius.titan.diskstorage.keycolumnvalue.KCVSProxy.acquireLock(KCVSProxy.java:40)
at com.thinkaurelius.titan.diskstorage.BackendTransaction.acquireIndexLock(BackendTransaction.java:240)
at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.prepareCommit(StandardTitanGraph.java:506)
at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.commit(StandardTitanGraph.java:635)
at com.thinkaurelius.titan.graphdb.transaction.StandardTitanTx.commit(StandardTitanTx.java:1337)
at com.thinkaurelius.titan.graphdb.blueprints.TitanBlueprintsGraph.commit(TitanBlueprintsGraph.java:60)
at org.hawkular.inventory.impl.tinkerpop.spi.GraphProvider.commit(GraphProvider.java:79)
at org.hawkular.inventory.impl.tinkerpop.InventoryContext.commit(InventoryContext.java:56)
at org.hawkular.inventory.impl.tinkerpop.TinkerpopBackend.commit(TinkerpopBackend.java:901)
at org.hawkular.inventory.base.Mutator.lambda$doCreate$26(Mutator.java:110)
at org.hawkular.inventory.base.Mutator$$Lambda$144/206058420.run(Unknown Source)
at org.hawkular.inventory.base.spi.InventoryBackend$Transaction.execute(InventoryBackend.java:330)
at org.hawkular.inventory.base.Util.commitOrRetry(Util.java:95)
at org.hawkular.inventory.base.Util.runInTransaction(Util.java:77)
at org.hawkular.inventory.base.Traversal.mutating(Traversal.java:78)
at org.hawkular.inventory.base.Mutator.doCreate(Mutator.java:70)
at org.hawkular.inventory.base.BaseMetrics$ReadWrite.create(BaseMetrics.java:118)
at org.hawkular.inventory.base.BaseMetrics$ReadWrite.create(BaseMetrics.java:49)
at org.hawkular.inventory.rest.RestMetrics.createMetric(RestMetrics.java:126)
at org.hawkular.inventory.rest.RestMetrics.createMetric(RestMetrics.java:83)
at org.hawkular.inventory.rest.RestMetrics$Proxy$_$$_WeldClientProxy.createMetric(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86)
at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.keycloak.adapters.undertow.UndertowAuthenticatedActionsHandler.handleRequest(UndertowAuthenticatedActionsHandler.java:66)
at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51)
at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:56)
at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)
at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:72)
at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at org.keycloak.adapters.undertow.ServletPreAuthActionsHandler.handleRequest(ServletPreAuthActionsHandler.java:69)
at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
at io.undertow.server.handlers.MetricsHandler.handleRequest(MetricsHandler.java:62)
at io.undertow.servlet.core.MetricsChainHandler.handleRequest(MetricsChainHandler.java:59)
at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:282)
at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:261)
at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:80)
at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:172)
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199)
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:774)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)