As indicated in the tutorial I put this in the storm.yaml file of the nimbus node: storm.scheduler: "storm.CameraScheduler"
So my problem is that when I want to start the Nimbus, it gives me this ClassNotFoundException. I am not even submitting the topology yet... On Thu, May 28, 2015 at 12:35 PM, Franca van Kaam <[email protected]> wrote: > But don't you have to start up nimbus before submitting your topology? > > On Thu, May 28, 2015 at 12:24 PM, Ken Danniswara <[email protected]> wrote: > >> Hi, >> >> In my case I'm putting the custom scheduler in the same jar with the >> submitted topology. I don't know if this is actually the best practice or >> not, but it works for me. >> >> On Thu, May 28, 2015 at 12:10 PM, Franca van Kaam < >> [email protected]> wrote: >> >>> Hello, >>> >>> I am trying to implement a custom scheduler as explained in >>> http://xumingming.sinaapp.com/885/twitter-storm-how-to-develop-a-pluggable-scheduler/ >>> . >>> >>> However I seem to do something wrong in the last step of the tutorial, >>> because when I try to launch nimbus I get a ClassNotFoundException. >>> >>> 2015-05-28T11:39:24.499+0200 b.s.d.nimbus [INFO] Using custom scheduler: >>> storm.CameraScheduler >>> 2015-05-28T11:39:24.514+0200 b.s.d.nimbus [ERROR] Error on >>> initialization of server service-handler >>> java.lang.ClassNotFoundException: storm.CameraScheduler >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:372) ~[na:1.8.0_31] >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:361) ~[na:1.8.0_31] >>> at java.security.AccessController.doPrivileged(Native Method) >>> ~[na:1.8.0_31] >>> at java.net.URLClassLoader.findClass(URLClassLoader.java:360) >>> ~[na:1.8.0_31] >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_31] >>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) >>> ~[na:1.8.0_31] >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_31] >>> at java.lang.Class.forName0(Native Method) ~[na:1.8.0_31] >>> at java.lang.Class.forName(Class.java:260) ~[na:1.8.0_31] >>> at backtype.storm.util$new_instance.invoke(util.clj:946) >>> ~[storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$mk_scheduler.invoke(nimbus.clj:53) >>> ~[storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$nimbus_data.invoke(nimbus.clj:78) >>> ~[storm-core-0.9.3.jar:0.9.3] >>> at >>> backtype.storm.daemon.nimbus$fn__5043$exec_fn__1108__auto____5044.invoke(nimbus.clj:898) >>> ~[storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.AFn.applyToHelper(AFn.java:163) [clojure-1.5.1.jar:na] >>> at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.5.1.jar:na] >>> at clojure.core$apply.invoke(core.clj:617) ~[clojure-1.5.1.jar:na] >>> at >>> backtype.storm.daemon.nimbus$fn__5043$service_handler__5133.doInvoke(nimbus.clj:895) >>> [storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.RestFn.invoke(RestFn.java:421) [clojure-1.5.1.jar:na] >>> at >>> backtype.storm.daemon.nimbus$launch_server_BANG_.invoke(nimbus.clj:1152) >>> [storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$_launch.invoke(nimbus.clj:1184) >>> [storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$_main.invoke(nimbus.clj:1206) >>> [storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.AFn.applyToHelper(AFn.java:159) [clojure-1.5.1.jar:na] >>> at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.5.1.jar:na] >>> at backtype.storm.daemon.nimbus.main(Unknown Source) >>> [storm-core-0.9.3.jar:0.9.3] >>> 2015-05-28T11:39:24.518+0200 b.s.util [ERROR] Halting process: ("Error >>> on initialization") >>> java.lang.RuntimeException: ("Error on initialization") >>> at backtype.storm.util$exit_process_BANG_.doInvoke(util.clj:325) >>> [storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.RestFn.invoke(RestFn.java:423) [clojure-1.5.1.jar:na] >>> at >>> backtype.storm.daemon.nimbus$fn__5043$service_handler__5133.doInvoke(nimbus.clj:895) >>> [storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.RestFn.invoke(RestFn.java:421) [clojure-1.5.1.jar:na] >>> at >>> backtype.storm.daemon.nimbus$launch_server_BANG_.invoke(nimbus.clj:1152) >>> [storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$_launch.invoke(nimbus.clj:1184) >>> [storm-core-0.9.3.jar:0.9.3] >>> at backtype.storm.daemon.nimbus$_main.invoke(nimbus.clj:1206) >>> [storm-core-0.9.3.jar:0.9.3] >>> at clojure.lang.AFn.applyToHelper(AFn.java:159) [clojure-1.5.1.jar:na] >>> at clojure.lang.AFn.applyTo(AFn.java:151) [clojure-1.5.1.jar:na] >>> at backtype.storm.daemon.nimbus.main(Unknown Source) >>> [storm-core-0.9.3.jar:0.9.3] >>> >>> >>> How should I package my scheduler and where exactly should I put it? >>> At the moment what I have done is package my CameraScheduler.class in >>> CameraScheduler.jar and add it to my $STORM_HOME/lib. But apparently >>> this is wrong... Any help? >>> >> >> >
