After submitting a topology I am getting following exception, could somebody please help me

[#1]

2016-06-02 12:25:32.475 b.s.d.supervisor [INFO] Downloading code for storm id no-num-cur-6-1443030316 from /var/hadoop/storm/nimbus/stormdist/no-num-cur-6-1443030316
2016-06-02 12:25:32.483 b.s.u.StormBoundedExponentialBackoffRetry [INFO] The baseSleepTimeMs [2000] the maxSleepTimeMs [60000] the maxRetries [5] 
2016-06-02 12:25:32.590 o.a.s.z.Login [INFO] successfully logged in. 
2016-06-02 12:25:32.578 b.s.event [ERROR] Error when processing event 
java.lang.RuntimeException: Found nimbuses [] none of which is elected as leader, please try again after some time. 
at backtype.storm.utils.NimbusClient.getConfiguredClientAs(NimbusClient.java:86) ~[storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at backtype.storm.utils.NimbusClient.getConfiguredClient(NimbusClient.java:42) ~[storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at backtype.storm.utils.Utils.downloadFromMaster(Utils.java:359) ~[storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at backtype.storm.daemon.supervisor$fn__8161.invoke(supervisor.clj:584) ~[storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at clojure.lang.MultiFn.invoke(MultiFn.java:249) ~[clojure-1.6.0.jar:?] 
at backtype.storm.daemon.supervisor$mk_synchronize_supervisor$this__8079.invoke(supervisor.clj:470) ~[storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at backtype.storm.event$event_manager$fn__1818.invoke(event.clj:40) [storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at clojure.lang.AFn.run(AFn.java:22) [clojure-1.6.0.jar:?] 
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] 
2016-06-02 12:25:32.693 b.s.util [ERROR] Halting process: ("Error when processing an event") 
java.lang.RuntimeException: ("Error when processing an event") 
at backtype.storm.util$exit_process_BANG_.doInvoke(util.clj:332) [storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at clojure.lang.RestFn.invoke(RestFn.java:423) [clojure-1.6.0.jar:?] 
at backtype.storm.event$event_manager$fn__1818.invoke(event.clj:48) [storm-core-0.10.0.2.3.2.0-2922.jar:0.10.0.2.3.2.0-2922] 
at clojure.lang.AFn.run(AFn.java:22) [clojure-1.6.0.jar:?] 
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79] 
2016-06-02 12:25:32.695 b.s.d.supervisor [INFO] Shutting down supervisor 7z2b3d8a-89gh-26e8-b374-4b560e881e3k

[#2 · Accepted solution]

with the provided logs it seems that there is some problem with nimbus or zookeeper,please check nimbus and zookeeper logs to identify the problem.

[#3]

my zk nodes were down, restarting zk nodes and nimbus help me.