java.lang.IndexOutOfBoundsException
at java.nio.Buffer.checkIndex(Buffer.java:514)
at java.nio.DirectByteBuffer.get(DirectByteBuffer.java:209)
at com.mongodb.RawDBObject._readCStr(RawDBObject.java:112)
at com.mongodb.RawDBObject$Element.<init>(RawDBObject.java:181)
at com.mongodb.RawDBObject$ElementIter.next(RawDBObject.java:312)
at com.mongodb.RawDBObject.findElement(RawDBObject.java:156)
at com.mongodb.RawDBObject.get(RawDBObject.java:49)
at com.mongodb.DBTCPConnector._getError(DBTCPConnector.java:216)
at com.mongodb.DBTCPConnector._call(DBTCPConnector.java:170)
at com.mongodb.DBTCPConnector.call(DBTCPConnector.java:156)
at com.mongodb.DBApiLayer.doQuery(DBApiLayer.java:67)
at com.mongodb.DBApiLayer$MyCollection.find(DBApiLayer.java:311)
at com.mongodb.DBCollection.findOne(DBCollection.java:310)
at com.mongodb.DBCollection.findOne(DBCollection.java:300)

Mongo DB : starting : pid = 0 port = 27017 dbpath = T:\mongodb master = 0 slave = 0 64-bit
db version v1.2.2, pdfile version 4.5
git version: 8a4fb8b1c7cb78648c55368d806ba35054f6be54
sys info: windows (6, 0, 6002, 2, 'Service Pack 2') BOOST_LIB_VERSION=1_39

java driver 1.2 (same error with v1.0)