title: Cannot import json file into Mongo
body: <p>I have a JSON file (from Mongo University) with some JSON in it</p>
  
  <p>However, when I run the import:</p>
  
  
  
  <pre class="lang-none prettyprint-override"><code>PS C:\Program Files\MongoDB\Server\3.0\bin&gt; .\mongoimport.exe -d blog -c posts --drop posts.json
  </code></pre>
  
  <p>I get an error and nothing is imported:</p>
  
  <pre class="lang-none prettyprint-override"><code>2016-04-15T22:21:27.771+0100    connected to: localhost
  2016-04-15T22:21:27.772+0100    dropping: blog.posts
  2016-04-15T22:21:28.635+0100    error inserting documents: lost connection to server
  2016-04-15T22:21:28.635+0100    Failed: lost connection to server
  2016-04-15T22:21:28.640+0100    imported 0 documents
  </code></pre>
  
  <p>From the server:</p>
  
  <pre class="lang-none prettyprint-override"><code>2016-04-15T22:21:22.070+0100 I CONTROL  [initandlisten] MongoDB starting : pid=8860 port=27017 dbpath=F:\Mongo\ 64-bit host=Plod
  2016-04-15T22:21:22.071+0100 I CONTROL  [initandlisten] targetMinOS: Windows Server 2003 SP2
  2016-04-15T22:21:22.072+0100 I CONTROL  [initandlisten] db version v3.0.11
  2016-04-15T22:21:22.072+0100 I CONTROL  [initandlisten] git version: 48f8b49dc30cc2485c6c1f3db31b723258fcbf39
  2016-04-15T22:21:22.072+0100 I CONTROL  [initandlisten] build info: windows sys.getwindowsversion(major=6, minor=1, build=7601, pl
  atform=2, service_pack='Service Pack 1') BOOST_LIB_VERSION=1_49
  2016-04-15T22:21:22.072+0100 I CONTROL  [initandlisten] allocator: tcmalloc
  2016-04-15T22:21:22.073+0100 I CONTROL  [initandlisten] options: { storage: { dbPath: "F:\Mongo\" } }
  2016-04-15T22:21:22.079+0100 I JOURNAL  [initandlisten] journal dir=F:\Mongo\journal
  2016-04-15T22:21:22.079+0100 I JOURNAL  [initandlisten] recover : no journal files present, no recovery needed
  2016-04-15T22:21:22.117+0100 I JOURNAL  [durability] Durability thread started
  2016-04-15T22:21:22.118+0100 I JOURNAL  [journal writer] Journal writer thread started
  2016-04-15T22:21:22.234+0100 I NETWORK  [initandlisten] waiting for connections on port 27017
  2016-04-15T22:21:27.770+0100 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:5047 #1 (1 connection now open)
  2016-04-15T22:21:27.772+0100 I COMMAND  [conn1] CMD: drop blog.posts
  2016-04-15T22:21:28.084+0100 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:5048 #2 (2 connections now open)
  2016-04-15T22:21:28.231+0100 I -        [conn2] Assertion: 10334:BSONObj size: 33609065 (0x200D569) is invalid. Size must be betwe
  en 0 and 16793600(16MB) First element: insert: "posts"
  2016-04-15T22:21:28.610+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\util\stacktrace_win.cpp(175)                       mon
  go::printStackTrace+0x43
  2016-04-15T22:21:28.611+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\util\log.cpp(134)                                  mon
  go::logContext+0x8f
  2016-04-15T22:21:28.611+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\util\assert_util.cpp(219)                          mon
  go::msgasserted+0xce
  2016-04-15T22:21:28.611+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\util\assert_util.cpp(211)                          mon
  go::msgasserted+0x13
  2016-04-15T22:21:28.612+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\bson\bsonobj.cpp(73)                               mon
  go::BSONObj::_assertInvalid+0x40c
  2016-04-15T22:21:28.612+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\db\dbmessage.cpp(131)                              mon
  go::DbMessage::nextJsObj+0x1a0
  2016-04-15T22:21:28.612+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\db\dbmessage.h(302)                                mon
  go::QueryMessage::QueryMessage+0x6a
  2016-04-15T22:21:28.613+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\db\instance.cpp(194)                               mon
  go::receivedQuery+0xbf
  2016-04-15T22:21:28.613+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\db\instance.cpp(377)                               mon
  go::assembleResponse+0x2fd
  2016-04-15T22:21:28.614+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\db\db.cpp(205)                                     mon
  go::MyMessageHandler::process+0xb8
  2016-04-15T22:21:28.614+0100 I CONTROL  [conn2] mongod.exe    ...\src\mongo\util\net\message_server_port.cpp(232)              mon
  go::PortMessageServer::handleIncomingMsg+0x553
  2016-04-15T22:21:28.614+0100 I CONTROL  [conn2] mongod.exe    ...\src\third_party\boost\libs\thread\src\win32\thread.cpp(185)  boo
  st::`anonymous namespace'::thread_start_function+0x21
  2016-04-15T22:21:28.615+0100 I CONTROL  [conn2] mongod.exe    f:\dd\vctools\crt\crtw32\startup\threadex.c(376)                 _ca
  llthreadstartex+0x17
  2016-04-15T22:21:28.622+0100 I CONTROL  [conn2] mongod.exe    f:\dd\vctools\crt\crtw32\startup\threadex.c(354)                 _th
  readstartex+0x102
  2016-04-15T22:21:28.622+0100 I CONTROL  [conn2] KERNEL32.DLL                                                                   Bas
  eThreadInitThunk+0x22
  2016-04-15T22:21:28.629+0100 I CONTROL  [conn2]
  2016-04-15T22:21:28.630+0100 I NETWORK  [conn2] AssertionException handling request, closing client connection: 10334 BSONObj size
  : 33609065 (0x200D569) is invalid. Size must be between 0 and 16793600(16MB) First element: insert: "posts"
  2016-04-15T22:21:28.642+0100 I NETWORK  [conn1] end connection 127.0.0.1:5047 (0 connections now open)
  </code></pre>
  
  <p>What's going on?</p>
  
  <p>I've tried it with 3.0 and 3.2.</p>