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From "Kazansky, Michael" <>
Subject submit topology using NimbusClient
Date Thu, 18 Feb 2016 19:16:49 GMT
Hi Storm gurus,
I am working on the project which should allow users to submit their topology jars to Storm.
We successfully using command line but now I need to write application which allows user to
submit jar through let say browser.
Here is what I am trying to do

           Config conf = new Config();
            TopologyBuilder topoBuilder = new TopologyBuilder();
            conf.put(Config.NIMBUS_HOST, topologyModel.getHost());
            Map stormConf = Utils.readStormConfig();
            stormConf.put(Config.NIMBUS_HOST, topologyModel.getHost());

            // topology submit
            NimbusClient nimbus = new NimbusClient(stormConf, topologyModel.getHost(), null
!= topologyModel.getNimbusPort() ? topologyModel.getNimbusPort() : 6627);
            String uploadedJarLocation = StormSubmitter.submitJar(stormConf, topologyModel.getArtifactUrl());
            System.setProperty("storm.jar", uploadedJarLocation.concat(" ").concat(topologyModel.getMainClass()));
            String jsonConf = JSONValue.toJSONString(stormConf);
            //StormTopology topology = buildToplogy(topologyModel);
            //SubmitOptions options = new SubmitOptions();
            nimbus.getClient().submitTopology(topologyModel.getTopologyName(), uploadedJarLocation,
jsonConf, topoBuilder.createTopology());
            success = true;

I looked at the storm python script and saw that main class name is concatenated to JVM_OPTS
That's why I added this line

System.setProperty("storm.jar", uploadedJarLocation.concat(" ").concat(topologyModel.getMainClass()));

But when I execute the code in test I only see empty topology without spouts and bolts in
Storm UI with only one worker and one executor.  Main class in the jar has the code to submit
spouts and bolts with parallelism 3 so most definitely main class wasn't picked up.
Is there any way to implement this command python ${storm_home}/bin/storm jar ${dsl_apps_dir}/dist/${jarname}
$mainclass in Java besides calling it (which is already done) directly?

Michael Kazansky

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