$ mongorestore --oplogReplay
2015-05-29T12:10:43.515+0100	using default 'dump' directory
2015-05-29T12:10:43.528+0100	building a list of dbs and collections to restore from dump dir
2015-05-29T12:10:43.529+0100	replaying oplog
2015-05-29T12:10:45.111+0100	Failed: restore error: error applying oplog: applyOps: EOF

2015-05-29T12:10:45.102+0100 I -        [conn3] Assertion: 10334:BSONObj size: 18085059 (0x113F4C3) is invalid. Size must be between 0 and 16793600(16MB) First elem
ent: 0: { ts: Timestamp 1431553500000|1, unsigned char: 8874020502223060881, void: 2, op: "u", ns: "arrow.client2", unsigned __int128: { $set: { lastConnectionDate:
 new Date(1431553500003) } }, o2: { _id: "2G24KEXKyCdaFrSH" } }
...
 mongod(mongo::printStackTrace(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)+0x39) [0x10634c849]
 mongod(mongo::logContext(char const*)+0x100) [0x1062fed10]
 mongod(mongo::msgasserted(int, char const*)+0x13A) [0x1062ece8a]
 mongod(mongo::msgasserted(int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)+0x1A) [0x1062ecd4a]
 mongod(mongo::BSONObj::_assertInvalid() const+0x4CE) [0x105bfda7e]
 mongod(mongo::BSONElement::embeddedObject() const+0x6A) [0x105bf646a]
 mongod(mongo::BSONElement::toString(mongo::StringBuilderImpl<mongo::TrivialAllocator>&, bool, bool, int) const+0x387) [0x105bf9927]
 mongod(mongo::BSONElement::toString(bool, bool) const+0x58) [0x105bf6888]
 mongod(mongo::BSONObj::_assertInvalid() const+0x414) [0x105bfd9c4]
 mongod(mongo::DbMessage::nextJsObj()+0xA0) [0x105dd8c80]
 mongod(mongo::QueryMessage::QueryMessage(mongo::DbMessage&)+0x5D) [0x105c3e1ad]
 mongod(mongo::assembleResponse(mongo::OperationContext*, mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&)+0x3F4) [0x105e9e414]
 mongod(mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*, mongo::LastError*)+0xDE) [0x105be1e6e]
 mongod(mongo::PortMessageServer::handleIncomingMsg(void*)+0x33C) [0x10630e8ac]
 mongod(boost::(anonymous namespace)::thread_proxy(void*)+0xB1) [0x106380271]
 libsystem_pthread.dylib(_pthread_body+0x83) [0x7fff926e5268]
 libsystem_pthread.dylib(_pthread_body+0x0) [0x7fff926e51e5]
 libsystem_pthread.dylib(thread_start+0xD) [0x7fff926e341d]
-----  END BACKTRACE  -----
2015-05-29T12:10:45.108+0100 I -        [conn3] Assertion: 10334:BSONObj size: 18085074 (0x113F4D2) is invalid. Size must be between 0 and 16793600(16MB) First element:
...
 mongod(mongo::printStackTrace(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)+0x39) [0x10634c849]
 mongod(mongo::logContext(char const*)+0x100) [0x1062fed10]
 mongod(mongo::msgasserted(int, char const*)+0x13A) [0x1062ece8a]
 mongod(mongo::msgasserted(int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)+0x1A) [0x1062ecd4a]
 mongod(mongo::BSONObj::_assertInvalid() const+0x4CE) [0x105bfda7e]
 mongod(mongo::DbMessage::nextJsObj()+0xA0) [0x105dd8c80]
 mongod(mongo::QueryMessage::QueryMessage(mongo::DbMessage&)+0x5D) [0x105c3e1ad]
 mongod(mongo::assembleResponse(mongo::OperationContext*, mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&)+0x3F4) [0x105e9e414]
 mongod(mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*, mongo::LastError*)+0xDE) [0x105be1e6e]
 mongod(mongo::PortMessageServer::handleIncomingMsg(void*)+0x33C) [0x10630e8ac]
 mongod(boost::(anonymous namespace)::thread_proxy(void*)+0xB1) [0x106380271]
 libsystem_pthread.dylib(_pthread_body+0x83) [0x7fff926e5268]
 libsystem_pthread.dylib(_pthread_body+0x0) [0x7fff926e51e5]
 libsystem_pthread.dylib(thread_start+0xD) [0x7fff926e341d]
-----  END BACKTRACE  -----
2015-05-29T12:10:45.111+0100 I NETWORK  [conn3] AssertionException handling request, closing client connection: 10334 BSONObj size: 18085074 (0x113F4D2) is invalid. Size must be between 0 and 16793600(16MB) First element: