OutOfMemory error when running on 32bit OS

TCK fails with OutOfMemory exception when trying to run query engine.

The full stack trace
java.lang.OutOfMemoryError
at sun.misc.Unsafe.allocateMemory(Native Method)
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:127)
at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306)
at org.mapdb.Volume$MemoryVol.makeNewBuffer(Volume.java:552)
at org.mapdb.Volume$ByteBufferVol.tryAvailable(Volume.java:282)
at org.mapdb.Volume.ensureAvailable(Volume.java:54)
at org.mapdb.StoreDirect.createStructure(StoreDirect.java:272)
at org.mapdb.StoreDirect.<init>(StoreDirect.java:205)
at org.mapdb.StoreWAL.<init>(StoreWAL.java:57)
at org.mapdb.DBMaker.extendStoreWAL(DBMaker.java:907)
at org.mapdb.DBMaker.makeEngine(DBMaker.java:703)
at org.mapdb.DBMaker.make(DBMaker.java:654)
at org.modeshape.jcr.query.BufferManager$1.get(BufferManager.java:338)
at org.modeshape.jcr.query.BufferManager$1.get(BufferManager.java:335)
at org.modeshape.jcr.query.BufferManager$DbHolder.get(BufferManager.java:317)
at org.modeshape.jcr.query.BufferManager.db(BufferManager.java:529)
at org.modeshape.jcr.query.BufferManager$MakeSortingWithDuplicatesBuffer.make(BufferManager.java:1033)
at org.modeshape.jcr.query.engine.process.BufferingSequence.<init>(BufferingSequence.java:77)
at org.modeshape.jcr.query.engine.process.SortingSequence.<init>(SortingSequence.java:49)
at org.modeshape.jcr.query.engine.ScanningQueryEngine.createNodeSequence(ScanningQueryEngine.java:832)
at org.modeshape.jcr.query.engine.ScanningQueryEngine.executeOptimizedQuery(ScanningQueryEngine.java:460)
at org.modeshape.jcr.query.engine.ScanningQueryEngine.execute(ScanningQueryEngine.java:324)
at org.modeshape.jcr.RepositoryQueryManager$1.execute(RepositoryQueryManager.java:155)
at org.modeshape.jcr.query.JcrQuery.execute(JcrQuery.java:118)
at org.modeshape.jcr.query.JcrQuery.execute(JcrQuery.java:43)