https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116944#M30587 <P>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.</P> Thu, 02 Jun 2016 22:48:12 GMT rajkumar_singh 2016-06-02T22:48:12Z https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116943#M30586 <PRE>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</PRE> Thu, 02 Jun 2016 22:45:05 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116943#M30586 sanjeev_verma82 2016-06-02T22:45:05Z https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116944#M30587 <P>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.</P> Thu, 02 Jun 2016 22:48:12 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116944#M30587 rajkumar_singh 2016-06-02T22:48:12Z https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116945#M30588 <P>my zk nodes were down, restarting zk nodes and nimbus help me.</P> Thu, 02 Jun 2016 23:05:50 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/After-submitting-a-topology-I-am-getting-following-exception/m-p/116945#M30588 sanjeev_verma82 2016-06-02T23:05:50Z