yes, it works for single instance, and for mongos, if I query use fetch-one it works, just do not work for fetch
On Saturday, April 20, 2013 2:54:43 AM UTC+8, Sean Corfield wrote: > > Does the exact same code work connecting directly to a single instance > or a to a replica set (instead of mongos shard server)? > > On Fri, Apr 19, 2013 at 7:17 AM, Zhi Yang <zhi....@yottaa.com<javascript:>> > wrote: > > I use > > (defn get-conn [] > > (let [conn (make-connection (:database db-config) > > :host (:host db-config) > > :port (:port db-config) > > (mongo-options :auto-connect-retry true))] > > (auth conn) > > conn)) > > try to connect to mongos, but > > > > (with-mongo conn > > (apply fetch (concat '(:collection) args)))) > > > > always has exception, any one know why? > > > > java.lang.NullPointerException > > > > at com.mongodb.DBCursor._check(DBCursor.java:365) > > at com.mongodb.DBCursor._hasNext(DBCursor.java:459) > > at com.mongodb.DBCursor.hasNext(DBCursor.java:484) > > at clojure.lang.IteratorSeq.create(IteratorSeq.java:27) > > at clojure.lang.RT.seqFrom(RT.java:495) > > at clojure.lang.RT.seq(RT.java:486) > > at clojure.core$seq.invoke(core.clj:133) > > at clojure.core$map$fn__4215.invoke(core.clj:2479) > > at clojure.lang.LazySeq.sval(LazySeq.java:42) > > at clojure.lang.LazySeq.seq(LazySeq.java:60) > > > > -- > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clo...@googlegroups.com<javascript:> > > Note that posts from new members are moderated - please be patient with > your > > first post. > > To unsubscribe from this group, send email to > > clojure+u...@googlegroups.com <javascript:> > > For more options, visit this group at > > http://groups.google.com/group/clojure?hl=en > > --- > > You received this message because you are subscribed to the Google > Groups > > "Clojure" group. > > To unsubscribe from this group and stop receiving emails from it, send > an > > email to clojure+u...@googlegroups.com <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > > > > > -- > Sean A Corfield -- (904) 302-SEAN > An Architect's View -- http://corfield.org/ > World Singles, LLC. -- http://worldsingles.com/ > > "Perfection is the enemy of the good." > -- Gustave Flaubert, French realist novelist (1821-1880) > -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
