THRIFT-1529. java: TupleProtocol can unintentionally include an extra byte in bit vectors when number of optional fields is an integral of 8 This patch harmonizes the math between writeBitSet and readBitSet to eliminate the mismatch in number of bytes calculation, allowing structs to be serialized correctly.
thrift/trunk/lib/java/src/org/apache/thrift/protocol/TTupleProtocol.java