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 <[email protected]> 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 [email protected] > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > [email protected] > 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 [email protected]. > 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 [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
