> use test switched to db test > db.dropDatabase() {"ok" : 1} > use test switched to db test > db.original.insert( {"test":"data"} ) > db.eval('for(var c = db.original.find(); c.hasNext();) { db.copied.save(c.next()); }') Thu May 21 04:04:30 in client mode Assertion failure cursor_.get() scripting/sm_db.cpp 44 0x419597 0x41a88c 0x446649 0x4bfd1f 0x4d2d19 0x4c08d6 0x4ea4a6 0x4bfd1f 0x4d2d19 0x4c08d6 0x47dacf 0x47da18 0x47d901 0x44a81f 0x410b0a 0x7f69b67931a6 0x40fde9 mongo [0x419597] mongo [0x41a88c] mongo [0x446649] mongo [0x4bfd1f] mongo [0x4d2d19] mongo [0x4c08d6] mongo [0x4ea4a6] mongo [0x4bfd1f] mongo [0x4d2d19] mongo [0x4c08d6] mongo [0x47dacf] mongo [0x47da18] mongo [0x47d901] mongo [0x44a81f] mongo [0x410b0a] /lib/libc.so.6(__libc_start_main+0xe6) [0x7f69b67931a6] mongo(__gxx_personality_v0+0x221) [0x40fde9] Thu May 21 04:04:30 JS Error: Error: error doing query (anon):970