Fix test failure, the wrapping really found a bug. It's the same like in SlowCompositeReaderWrapper: ant test -Dtestcase=TestReaderClosed -Dtestmethod=test -Dtests.seed=-7c9f33395d707a4a:9a8a104377eade3:-6839e18852fad654 -Dtests.multiplier=3 -Dtests.nightly=true -Dargs="-Dfile.encoding=ISO8859-1" Was found by Jenkins!
lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/ParallelAtomicReader.java