Low Description
This null pointer exception can occur on a re-index if the CRU_LOG_ITEM table contains references to non-existant users:
[java] 2012-06-22 17:59:45,611 ERROR - Error indexing review
[java] java.lang.NullPointerException
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer.indexLogItem(DefaultReviewItemIndexer.java:549)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer.access$600(DefaultReviewItemIndexer.java:86)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer$IndexOperationIterator.doNext(DefaultReviewItemIndexer.java:243)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer$2.perform(DefaultReviewItemIndexer.java:357)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer$2.perform(DefaultReviewItemIndexer.java:353)
[java] at com.cenqua.fisheye.lucene.LuceneConnection.withWriter(LuceneConnection.java:557)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer.indexInBatches(DefaultReviewItemIndexer.java:353)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer.access$800(DefaultReviewItemIndexer.java:86)
[java] at com.atlassian.crucible.activity.lucene.DefaultReviewItemIndexer$3.run(DefaultReviewItemIndexer.java:603)
[java] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[java] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[java] at java.lang.Thread.run(Thread.java:680)
