NPE under high load when using async metadata writes for the Lucene Directory ----------------------------------------------------------------------------- Key: ISPN-4807 URL: https://issues.jboss.org/browse/ISPN-4807 Project: Infinispan Issue Type: Bug Components: Lucene Directory Reporter: Sanne Grinovero Assignee: Sanne Grinovero Priority: Minor Fix For: 7.0.0.CR2 Method org.infinispan.lucene.readlocks.DistributedSegmentReadLocker.deleteOrReleaseReadLock(String) might hit a NPE under high load as the fileMetadata retrieved from the Cache might be null when it's written asynchronously.