MongoDB & Java Connection Error -


i trying run java program java/mongo driver on separate computer 1 running mongod. modified java/mongo tutorial code include ip address.

package mongotest; import com.mongodb.*;  public class main { static dbcursor cur; static dbcollection coll; public static void main(string[] args) {     mongo m;     try{         m = new mongo("192.168.0.102");  // <---- not connect.  time out         db db = m.getdb("playerdb");         coll = db.getcollection("players");          cur = coll.find();         //while (cur.hasnext())          //  coll.remove(cur.next());          coll.ensureindex(new basicdbobject("playerid", 1).append("unique", true));          boolean unique = true;           cur = coll.find();         printresults(cur, "find records");           boolean cancreate;         cancreate = createaccount("josh", "1", cur, coll);         cancreate = createaccount("jason", "1", cur, coll);         cancreate = createaccount("ryan", "1", cur, coll);         cancreate = createaccount("michael", "1", cur, coll);         cancreate = createaccount("john", "1", cur, coll);         cancreate = createaccount("susan", "1", cur, coll);            cur = coll.find();          printresults(cur, "find records after insert");        }//try     catch(exception e){         system.out.println(e);     }//catch }

(note: time out , quit)

but when run same code on computer running database it's fine.

how can connection between 2 computers on different networks communicate?

first need ensure network route:

can ping computer b computer a?

can telnet mongo port second computer first?

if not, have networking problem not programming one. in case might behoove ask question on serverfault or superuser


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