Since 8 July the nightly builds on Hudson have failed with the following error:
[clover] Processing files at 1.3 source level.
[clover] Updating database at '/zonestorage/hudson/home/hudson/hudson/jobs/Hadoop-trunk/workspace/trunk/build/test/clover/db/hadoop_coverage.db'
[clover] /var/tmp/clover35762.tmp/src35763.tmp/org/apache/hadoop/fs/FileUtil.java.tmp:508:10:unexpected token: OSType
[clover] line 508: unexpected token: OSType
[clover] ** Error(s) occurred and the instrumentation process can't continue.