Exception logged during indexing when ancestor is missing

Should be logged at debug level.

2015-09-16 11:10:24,158 ERROR ClusterNode-root-hippocms02.hippoprod.accint.co [SearchManager.onEvent:410] Error indexing node.
javax.jcr.RepositoryException: Error while indexing node: 0e46741d-9498-4eb5-99fb-acaa07a15d71 of type:

{http://www.onehippo.org/jcr/hippo/nt/2.0.4}

mirror
at org.hippoecm.repository.query.lucene.ServicingSearchIndex.skipIndexing(ServicingSearchIndex.java:589)
at org.hippoecm.repository.query.lucene.ServicingSearchIndex.skipIndexing(ServicingSearchIndex.java:545)
at org.hippoecm.repository.query.lucene.ServicingSearchIndex.updateNodes(ServicingSearchIndex.java:405)
at org.apache.jackrabbit.core.SearchManager.onEvent(SearchManager.java:408)
at org.apache.jackrabbit.core.observation.EventConsumer.consumeEvents(EventConsumer.java:249)
at org.apache.jackrabbit.core.observation.ObservationDispatcher.dispatchEvents(ObservationDispatcher.java:225)
at org.apache.jackrabbit.core.observation.EventStateCollection.dispatch(EventStateCollection.java:475)
at org.apache.jackrabbit.core.state.SharedItemStateManager.externalUpdate(SharedItemStateManager.java:1565)
at org.hippoecm.repository.jackrabbit.HippoSharedItemStateManager.externalUpdate(HippoSharedItemStateManager.java:92)
at org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.externalUpdate(RepositoryImpl.java:2285)
at org.apache.jackrabbit.core.cluster.ClusterNode.process(ClusterNode.java:924)
at org.apache.jackrabbit.core.cluster.ChangeLogRecord.process(ChangeLogRecord.java:500)
at org.apache.jackrabbit.core.cluster.ClusterNode.consume(ClusterNode.java:860)
at org.apache.jackrabbit.core.journal.AbstractJournal.doSync(AbstractJournal.java:255)
at org.apache.jackrabbit.core.journal.DatabaseJournal.doSync(DatabaseJournal.java:453)
at org.apache.jackrabbit.core.journal.AbstractJournal.internalSync(AbstractJournal.java:222)
at org.apache.jackrabbit.core.journal.AbstractJournal.sync(AbstractJournal.java:190)
at org.apache.jackrabbit.core.cluster.ClusterNode.internalSync(ClusterNode.java:340)
at org.apache.jackrabbit.core.cluster.ClusterNode.sync(ClusterNode.java:356)
at org.apache.jackrabbit.core.cluster.ClusterNode.run(ClusterNode.java:303)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.jackrabbit.core.state.NoSuchItemStateException: 0a5ac5b5-589d-48e0-b389-38db9bf5d01e
at org.apache.jackrabbit.core.state.SharedItemStateManager.getItemState(SharedItemStateManager.java:287)
at org.hippoecm.repository.query.lucene.ServicingSearchIndex.getNodeState(ServicingSearchIndex.java:786)
at org.hippoecm.repository.query.lucene.ServicingSearchIndex.skipIndexing(ServicingSearchIndex.java:584)
... 20 more