Secondary Name Node crash, NPE in edit log replay

An NPE in SNN, the core of the message looks like yay so:

2010-02-25 11:54:05,834 ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: java.lang.NullPointerException
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1152)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:1164)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.addNode(FSDirectory.java:1067)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddFile(FSDirectory.java:213)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadEditRecords(FSEditLog.java:511)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:401)
at org.apache.hadoop.hdfs.server.namenode.FSEditLog.loadFSEdits(FSEditLog.java:368)
at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSEdits(FSImage.java:1172)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.doMerge(SecondaryNameNode.java:594)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode$CheckpointStorage.access$000(SecondaryNameNode.java:476)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doMerge(SecondaryNameNode.java:353)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:317)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.run(SecondaryNameNode.java:219)
at java.lang.Thread.run(Thread.java:619)

This happens even if I restart SNN over and over again.