http://git-wip-us.apache.org/repos/asf/storm-site/blob/6e122a12/content/releases/1.2.1/Contributing-to-Storm.html ---------------------------------------------------------------------- diff --git a/content/releases/1.2.1/Contributing-to-Storm.html b/content/releases/1.2.1/Contributing-to-Storm.html deleted file mode 100644 index c04702a..0000000 --- a/content/releases/1.2.1/Contributing-to-Storm.html +++ /dev/null @@ -1,250 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <meta charset="utf-8"> - <meta http-equiv="X-UA-Compatible" content="IE=edge"> - <meta name="viewport" content="width=device-width, initial-scale=1"> - - <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon"> - <link rel="icon" href="/favicon.ico" type="image/x-icon"> - - <title>Contributing</title> - - <!-- Bootstrap core CSS --> - <link href="/assets/css/bootstrap.min.css" rel="stylesheet"> - <!-- Bootstrap theme --> - <link href="/assets/css/bootstrap-theme.min.css" rel="stylesheet"> - - <!-- Custom styles for this template --> - <link rel="stylesheet" href="http://fortawesome.github.io/Font-Awesome/assets/font-awesome/css/font-awesome.css";> - <link href="/css/style.css" rel="stylesheet"> - <link href="/assets/css/owl.theme.css" rel="stylesheet"> - <link href="/assets/css/owl.carousel.css" rel="stylesheet"> - <script type="text/javascript" src="/assets/js/jquery.min.js"></script> - <script type="text/javascript" src="/assets/js/bootstrap.min.js"></script> - <script type="text/javascript" src="/assets/js/owl.carousel.min.js"></script> - <script type="text/javascript" src="/assets/js/storm.js"></script> - <!-- Just for debugging purposes. 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If you're interested in contributing to Storm but don't know where to begin, these are good issues to start with. These issues are a great way to get your feet wet with learning the codebase because they require learning about only an isolated portion of the codebase and are a relatively small amount of work.</p> - -<h3 id="learning-the-codebase">Learning the codebase</h3> - -<p>The <a href="Implementation-docs.html">Implementation docs</a> section of the wiki gives detailed walkthroughs of the codebase. Reading through these docs is highly recommended to understand the codebase.</p> - -<h3 id="contribution-process">Contribution process</h3> - -<p>Contributions to the Storm codebase should be sent as <a href="https://github.com/apache/storm";>GitHub</a> pull requests. If there's any problems to the pull request we can iterate on it using GitHub's commenting features.</p> - -<p>For small patches, feel free to submit pull requests directly for them. For larger contributions, please use the following process. The idea behind this process is to prevent any wasted work and catch design issues early on:</p> - -<ol> -<li>Open an issue on the <a href="https://issues.apache.org/jira/browse/STORM";>issue tracker</a> if one doesn't exist already</li> -<li>Comment on the issue with your plan for implementing the issue. Explain what pieces of the codebase you're going to touch and how everything is going to fit together.</li> -<li>Storm committers will iterate with you on the design to make sure you're on the right track</li> -<li>Implement your issue, submit a pull request, and iterate from there.</li> -</ol> - -<h3 id="modules-built-on-top-of-storm">Modules built on top of Storm</h3> - -<p>Modules built on top of Storm (like spouts, bolts, etc) that aren't appropriate for Storm core can be done as your own project or as part of <a href="https://github.com/stormprocessor";>@stormprocessor</a>. To be part of @stormprocessor put your project on your own Github and then send an email to the mailing list proposing to make it part of @stormprocessor. Then the community can discuss whether it's useful enough to be part of @stormprocessor. Then you'll be added to the @stormprocessor organization and can maintain your project there. The advantage of hosting your module in @stormprocessor is that it will be easier for potential users to find your project.</p> - -<h3 id="contributing-documentation">Contributing documentation</h3> - -<p>Documentation contributions are very welcome! The best way to send contributions is as emails through the mailing list.</p> -</div> - - - </div> - </div> - </div> -<footer> - <div class="container-fluid"> - <div class="row"> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Meetups</h5> - <ul class="latest-news"> - - <li><a href="http://www.meetup.com/Apache-Storm-Apache-Kafka/";>Apache Storm & Apache Kafka</a> <span class="small">(Sunnyvale, CA)</span></li> - - <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Apache Storm & Kafka Users</a> <span class="small">(Seattle, WA)</span></li> - - <li><a href="http://www.meetup.com/New-York-City-Storm-User-Group/";>NYC Storm User Group</a> <span class="small">(New York, NY)</span></li> - - <li><a href="http://www.meetup.com/Bay-Area-Stream-Processing";>Bay Area Stream Processing</a> <span class="small">(Emeryville, CA)</span></li> - - <li><a href="http://www.meetup.com/Boston-Storm-Users/";>Boston Realtime Data</a> <span class="small">(Boston, MA)</span></li> - - <li><a href="http://www.meetup.com/storm-london";>London Storm User Group</a> <span class="small">(London, UK)</span></li> - - <!-- <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Seatle, WA</a> <span class="small">(27 Jun 2015)</span></li> --> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>About Storm</h5> - <p>Storm integrates with any queueing system and any database system. Storm's spout abstraction makes it easy to integrate a new queuing system. Likewise, integrating Storm with database systems is easy.</p> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>First Look</h5> - <ul class="footer-list"> - <li><a href="/releases/current/Rationale.html">Rationale</a></li> - <li><a href="/releases/current/Tutorial.html">Tutorial</a></li> - <li><a href="/releases/current/Setting-up-development-environment.html">Setting up development environment</a></li> - <li><a href="/releases/current/Creating-a-new-Storm-project.html">Creating a new Storm project</a></li> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Documentation</h5> - <ul class="footer-list"> - <li><a href="/releases/current/index.html">Index</a></li> - <li><a href="/releases/current/javadocs/index.html">Javadoc</a></li> - <li><a href="/releases/current/FAQ.html">FAQ</a></li> - </ul> - </div> - </div> - </div> - <hr/> - <div class="row"> - <div class="col-md-12"> - <p align="center">Copyright © 2015 <a href="http://www.apache.org";>Apache Software Foundation</a>. All Rights Reserved. - <br>Apache Storm, Apache, the Apache feather logo, and the Apache Storm project logos are trademarks of The Apache Software Foundation. - <br>All other marks mentioned may be trademarks or registered trademarks of their respective owners.</p> - </div> - </div> - </div> -</footer> -<!--Footer End--> -<!-- Scroll to top --> -<span class="totop"><a href="#"><i class="fa fa-angle-up"></i></a></span> - -</body> - -</html> -
http://git-wip-us.apache.org/repos/asf/storm-site/blob/6e122a12/content/releases/1.2.1/Creating-a-new-Storm-project.html ---------------------------------------------------------------------- diff --git a/content/releases/1.2.1/Creating-a-new-Storm-project.html b/content/releases/1.2.1/Creating-a-new-Storm-project.html deleted file mode 100644 index 28cc57f..0000000 --- a/content/releases/1.2.1/Creating-a-new-Storm-project.html +++ /dev/null @@ -1,244 +0,0 @@ -<!DOCTYPE html> -<html> - <head> - <meta charset="utf-8"> - <meta http-equiv="X-UA-Compatible" content="IE=edge"> - <meta name="viewport" content="width=device-width, initial-scale=1"> - - <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon"> - <link rel="icon" href="/favicon.ico" type="image/x-icon"> - - <title>Creating a New Storm Project</title> - - <!-- Bootstrap core CSS --> - <link href="/assets/css/bootstrap.min.css" rel="stylesheet"> - <!-- Bootstrap theme --> - <link href="/assets/css/bootstrap-theme.min.css" rel="stylesheet"> - - <!-- Custom styles for this template --> - <link rel="stylesheet" href="http://fortawesome.github.io/Font-Awesome/assets/font-awesome/css/font-awesome.css";> - <link href="/css/style.css" rel="stylesheet"> - <link href="/assets/css/owl.theme.css" rel="stylesheet"> - <link href="/assets/css/owl.carousel.css" rel="stylesheet"> - <script type="text/javascript" src="/assets/js/jquery.min.js"></script> - <script type="text/javascript" src="/assets/js/bootstrap.min.js"></script> - <script type="text/javascript" src="/assets/js/owl.carousel.min.js"></script> - <script type="text/javascript" src="/assets/js/storm.js"></script> - <!-- Just for debugging purposes. Don't actually copy these 2 lines! --> - <!--[if lt IE 9]><script src="../../assets/js/ie8-responsive-file-warning.js"></script><![endif]--> - - <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --> - <!--[if lt IE 9]> - <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js";></script> - <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js";></script> - <![endif]--> - </head> - - - <body> - <header> - <div class="container-fluid"> - <div class="row"> - <div class="col-md-5"> - <a href="/index.html"><img src="/images/logo.png" class="logo" /></a> - </div> - <div class="col-md-5"> - - <h1>Version: 1.2.1</h1> - - </div> - <div class="col-md-2"> - <a href="/downloads.html" class="btn-std btn-block btn-download">Download</a> - </div> - </div> - </div> -</header> -<!--Header End--> -<!--Navigation Begin--> -<div class="navbar" role="banner"> - <div class="container-fluid"> - <div class="navbar-header"> - <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".bs-navbar-collapse"> - <span class="icon-bar"></span> - <span class="icon-bar"></span> - <span class="icon-bar"></span> - </button> - </div> - <nav class="collapse navbar-collapse bs-navbar-collapse" role="navigation"> - <ul class="nav navbar-nav"> - <li><a href="/index.html" id="home">Home</a></li> - <li><a href="/getting-help.html" id="getting-help">Getting Help</a></li> - <li><a href="/about/integrates.html" id="project-info">Project Information</a></li> - <li class="dropdown"> - <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="documentation">Documentation <b class="caret"></b></a> - <ul class="dropdown-menu"> - - - <li><a href="/releases/2.0.0-SNAPSHOT/index.html">2.0.0-SNAPSHOT</a></li> - - - - <li><a href="/releases/1.2.1/index.html">1.2.1</a></li> - - - - <li><a href="/releases/1.1.2/index.html">1.1.2</a></li> - - - - - - <li><a href="/releases/1.0.6/index.html">1.0.6</a></li> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - </ul> - </li> - <li><a href="/talksAndVideos.html">Talks and Slideshows</a></li> - <li class="dropdown"> - <a href="#" class="dropdown-toggle" data-toggle="dropdown" id="contribute">Community <b class="caret"></b></a> - <ul class="dropdown-menu"> - <li><a href="/contribute/Contributing-to-Storm.html">Contributing</a></li> - <li><a href="/contribute/People.html">People</a></li> - <li><a href="/contribute/BYLAWS.html">ByLaws</a></li> - </ul> - </li> - <li><a href="/2018/06/04/storm122-released.html" id="news">News</a></li> - </ul> - </nav> - </div> -</div> - - - - <div class="container-fluid"> - <h1 class="page-title">Creating a New Storm Project</h1> - <div class="row"> - <div class="col-md-12"> - <!-- Documentation --> - -<p class="post-meta"></p> - -<div class="documentation-content"><p>This page outlines how to set up a Storm project for development. The steps are:</p> - -<ol> -<li>Add Storm jars to classpath</li> -<li>If using multilang, add multilang dir to classpath</li> -</ol> - -<p>Follow along to see how to set up the <a href="http://github.com/apache/storm/blob/v1.2.1/examples/storm-starter";>storm-starter</a> project in Eclipse.</p> - -<h3 id="add-storm-jars-to-classpath">Add Storm jars to classpath</h3> - -<p>You'll need the Storm jars on your classpath to develop Storm topologies. Using <a href="Maven.html">Maven</a> is highly recommended. <a href="http://github.com/apache/storm/blob/v1.2.1/examples/storm-starter/pom.xml";>Here's an example</a> of how to setup your pom.xml for a Storm project. If you don't want to use Maven, you can include the jars from the Storm release on your classpath.</p> - -<p>To set up the classpath in Eclipse, create a new Java project, include <code>src/jvm/</code> as a source path, and make sure all the jars in <code>lib/</code> and <code>lib/dev/</code> are in the <code>Referenced Libraries</code> section of the project.</p> - -<h3 id="if-using-multilang-add-multilang-dir-to-classpath">If using multilang, add multilang dir to classpath</h3> - -<p>If you implement spouts or bolts in languages other than Java, then those implementations should be under the <code>multilang/resources/</code> directory of the project. For Storm to find these files in local mode, the <code>resources/</code> dir needs to be on the classpath. You can do this in Eclipse by adding <code>multilang/</code> as a source folder. You may also need to add multilang/resources as a source directory.</p> - -<p>For more information on writing topologies in other languages, see <a href="Using-non-JVM-languages-with-Storm.html">Using non-JVM languages with Storm</a>.</p> - -<p>To test that everything is working in Eclipse, you should now be able to <code>Run</code> the <code>WordCountTopology.java</code> file. You will see messages being emitted at the console for 10 seconds.</p> -</div> - - - </div> - </div> - </div> -<footer> - <div class="container-fluid"> - <div class="row"> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Meetups</h5> - <ul class="latest-news"> - - <li><a href="http://www.meetup.com/Apache-Storm-Apache-Kafka/";>Apache Storm & Apache Kafka</a> <span class="small">(Sunnyvale, CA)</span></li> - - <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Apache Storm & Kafka Users</a> <span class="small">(Seattle, WA)</span></li> - - <li><a href="http://www.meetup.com/New-York-City-Storm-User-Group/";>NYC Storm User Group</a> <span class="small">(New York, NY)</span></li> - - <li><a href="http://www.meetup.com/Bay-Area-Stream-Processing";>Bay Area Stream Processing</a> <span class="small">(Emeryville, CA)</span></li> - - <li><a href="http://www.meetup.com/Boston-Storm-Users/";>Boston Realtime Data</a> <span class="small">(Boston, MA)</span></li> - - <li><a href="http://www.meetup.com/storm-london";>London Storm User Group</a> <span class="small">(London, UK)</span></li> - - <!-- <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Seatle, WA</a> <span class="small">(27 Jun 2015)</span></li> --> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>About Storm</h5> - <p>Storm integrates with any queueing system and any database system. Storm's spout abstraction makes it easy to integrate a new queuing system. Likewise, integrating Storm with database systems is easy.</p> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>First Look</h5> - <ul class="footer-list"> - <li><a href="/releases/current/Rationale.html">Rationale</a></li> - <li><a href="/releases/current/Tutorial.html">Tutorial</a></li> - <li><a href="/releases/current/Setting-up-development-environment.html">Setting up development environment</a></li> - <li><a href="/releases/current/Creating-a-new-Storm-project.html">Creating a new Storm project</a></li> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Documentation</h5> - <ul class="footer-list"> - <li><a href="/releases/current/index.html">Index</a></li> - <li><a href="/releases/current/javadocs/index.html">Javadoc</a></li> - <li><a href="/releases/current/FAQ.html">FAQ</a></li> - </ul> - </div> - </div> - </div> - <hr/> - <div class="row"> - <div class="col-md-12"> - <p align="center">Copyright © 2015 <a href="http://www.apache.org";>Apache Software Foundation</a>. 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Storm's spout abstraction makes it easy to integrate a new queuing system. Likewise, integrating Storm with database systems is easy.</p> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>First Look</h5> - <ul class="footer-list"> - <li><a href="/releases/current/Rationale.html">Rationale</a></li> - <li><a href="/releases/current/Tutorial.html">Tutorial</a></li> - <li><a href="/releases/current/Setting-up-development-environment.html">Setting up development environment</a></li> - <li><a href="/releases/current/Creating-a-new-Storm-project.html">Creating a new Storm project</a></li> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Documentation</h5> - <ul class="footer-list"> - <li><a href="/releases/current/index.html">Index</a></li> - <li><a href="/releases/current/javadocs/index.html">Javadoc</a></li> - <li><a href="/releases/current/FAQ.html">FAQ</a></li> - </ul> - </div> - </div> - </div> - <hr/> - <div class="row"> - <div class="col-md-12"> - <p align="center">Copyright © 2015 <a href="http://www.apache.org";>Apache Software Foundation</a>. 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Nimbus that schedules workers, supervisors that launch and kill workers, the log viewer that gives access to logs, and the UI that shows the status of a cluster.</p> - -<h2 id="what-happens-when-a-worker-dies">What happens when a worker dies?</h2> - -<p>When a worker dies, the supervisor will restart it. If it continuously fails on startup and is unable to heartbeat to Nimbus, Nimbus will reschedule the worker.</p> - -<h2 id="what-happens-when-a-node-dies">What happens when a node dies?</h2> - -<p>The tasks assigned to that machine will time-out and Nimbus will reassign those tasks to other machines.</p> - -<h2 id="what-happens-when-nimbus-or-supervisor-daemons-die">What happens when Nimbus or Supervisor daemons die?</h2> - -<p>The Nimbus and Supervisor daemons are designed to be fail-fast (process self-destructs whenever any unexpected situation is encountered) and stateless (all state is kept in Zookeeper or on disk). As described in <a href="Setting-up-a-Storm-cluster.html">Setting up a Storm cluster</a>, the Nimbus and Supervisor daemons must be run under supervision using a tool like daemontools or monit. So if the Nimbus or Supervisor daemons die, they restart like nothing happened.</p> - -<p>Most notably, no worker processes are affected by the death of Nimbus or the Supervisors. This is in contrast to Hadoop, where if the JobTracker dies, all the running jobs are lost. </p> - -<h2 id="is-nimbus-a-single-point-of-failure">Is Nimbus a single point of failure?</h2> - -<p>If you lose the Nimbus node, the workers will still continue to function. Additionally, supervisors will continue to restart workers if they die. However, without Nimbus, workers won't be reassigned to other machines when necessary (like if you lose a worker machine). </p> - -<p>Storm Nimbus is highly available since 1.0.0. More information please refer to <a href="nimbus-ha-design.html">Nimbus HA Design</a> document.</p> - -<h2 id="how-does-storm-guarantee-data-processing">How does Storm guarantee data processing?</h2> - -<p>Storm provides mechanisms to guarantee data processing even if nodes die or messages are lost. See <a href="Guaranteeing-message-processing.html">Guaranteeing message processing</a> for the details.</p> -</div> - - - </div> - </div> - </div> -<footer> - <div class="container-fluid"> - <div class="row"> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Meetups</h5> - <ul class="latest-news"> - - <li><a href="http://www.meetup.com/Apache-Storm-Apache-Kafka/";>Apache Storm & Apache Kafka</a> <span class="small">(Sunnyvale, CA)</span></li> - - <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Apache Storm & Kafka Users</a> <span class="small">(Seattle, WA)</span></li> - - <li><a href="http://www.meetup.com/New-York-City-Storm-User-Group/";>NYC Storm User Group</a> <span class="small">(New York, NY)</span></li> - - <li><a href="http://www.meetup.com/Bay-Area-Stream-Processing";>Bay Area Stream Processing</a> <span class="small">(Emeryville, CA)</span></li> - - <li><a href="http://www.meetup.com/Boston-Storm-Users/";>Boston Realtime Data</a> <span class="small">(Boston, MA)</span></li> - - <li><a href="http://www.meetup.com/storm-london";>London Storm User Group</a> <span class="small">(London, UK)</span></li> - - <!-- <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Seatle, WA</a> <span class="small">(27 Jun 2015)</span></li> --> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>About Storm</h5> - <p>Storm integrates with any queueing system and any database system. Storm's spout abstraction makes it easy to integrate a new queuing system. Likewise, integrating Storm with database systems is easy.</p> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>First Look</h5> - <ul class="footer-list"> - <li><a href="/releases/current/Rationale.html">Rationale</a></li> - <li><a href="/releases/current/Tutorial.html">Tutorial</a></li> - <li><a href="/releases/current/Setting-up-development-environment.html">Setting up development environment</a></li> - <li><a href="/releases/current/Creating-a-new-Storm-project.html">Creating a new Storm project</a></li> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Documentation</h5> - <ul class="footer-list"> - <li><a href="/releases/current/index.html">Index</a></li> - <li><a href="/releases/current/javadocs/index.html">Javadoc</a></li> - <li><a href="/releases/current/FAQ.html">FAQ</a></li> - </ul> - </div> - </div> - </div> - <hr/> - <div class="row"> - <div class="col-md-12"> - <p align="center">Copyright © 2015 <a href="http://www.apache.org";>Apache Software Foundation</a>. 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Since Storm topologies are just Thrift structures, and Nimbus is a Thrift daemon, you can create and submit topologies in any language.</p> - -<p>When you create the Thrift structs for spouts and bolts, the code for the spout or bolt is specified in the ComponentObject struct:</p> -<div class="highlight"><pre><code class="language-" data-lang="">union ComponentObject { - 1: binary serialized_java; - 2: ShellComponent shell; - 3: JavaObject java_object; -} -</code></pre></div> -<p>For a Python DSL, you would want to make use of "2" and "3". ShellComponent lets you specify a script to run that component (e.g., your python code). And JavaObject lets you specify native java spouts and bolts for the component (and Storm will use reflection to create that spout or bolt).</p> - -<p>There's a "storm shell" command that will help with submitting a topology. Its usage is like this:</p> -<div class="highlight"><pre><code class="language-" data-lang="">storm shell resources/ python topology.py arg1 arg2 -</code></pre></div> -<p>storm shell will then package resources/ into a jar, upload the jar to Nimbus, and call your topology.py script like this:</p> -<div class="highlight"><pre><code class="language-" data-lang="">python topology.py arg1 arg2 {nimbus-host} {nimbus-port} {uploaded-jar-location} -</code></pre></div> -<p>Then you can connect to Nimbus using the Thrift API and submit the topology, passing {uploaded-jar-location} into the submitTopology method. For reference, here's the submitTopology definition:</p> -<div class="highlight"><pre><code class="language-java" data-lang="java"><span class="kt">void</span> <span class="nf">submitTopology</span><span class="o">(</span><span class="mi">1</span><span class="o">:</span> <span class="n">string</span> <span class="n">name</span><span class="o">,</span> <span class="mi">2</span><span class="o">:</span> <span class="n">string</span> <span class="n">uploadedJarLocation</span><span class="o">,</span> <span class="mi">3</span><span class="o">:</span> <span class="n">string</span> <span class="n">jsonConf</span><span class="o">,</span> <span class="mi">4</span><span class="o">:</span> <span class="n">StormTopology</span> <span class="n">topology</span><span class="o">)</span> <span class="kd">throws</span> <span class="o">(</span><span class="mi">1</span><span class="o">:</span> <span class="n">AlreadyAliveException</span> <span class="n">e</span><span class="o">,</span> <span class="mi">2</span><span class="o">:</span> <span class="n">InvalidTop ologyException</span> <span class="n">ite</span><span class="o">);</span> -</code></pre></div> -<p>Finally, one of the key things to do in a non-JVM DSL is make it easy to define the entire topology in one file (the bolts, spouts, and the definition of the topology).</p> -</div> - - - </div> - </div> - </div> -<footer> - <div class="container-fluid"> - <div class="row"> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>Meetups</h5> - <ul class="latest-news"> - - <li><a href="http://www.meetup.com/Apache-Storm-Apache-Kafka/";>Apache Storm & Apache Kafka</a> <span class="small">(Sunnyvale, CA)</span></li> - - <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Apache Storm & Kafka Users</a> <span class="small">(Seattle, WA)</span></li> - - <li><a href="http://www.meetup.com/New-York-City-Storm-User-Group/";>NYC Storm User Group</a> <span class="small">(New York, NY)</span></li> - - <li><a href="http://www.meetup.com/Bay-Area-Stream-Processing";>Bay Area Stream Processing</a> <span class="small">(Emeryville, CA)</span></li> - - <li><a href="http://www.meetup.com/Boston-Storm-Users/";>Boston Realtime Data</a> <span class="small">(Boston, MA)</span></li> - - <li><a href="http://www.meetup.com/storm-london";>London Storm User Group</a> <span class="small">(London, UK)</span></li> - - <!-- <li><a href="http://www.meetup.com/Apache-Storm-Kafka-Users/";>Seatle, WA</a> <span class="small">(27 Jun 2015)</span></li> --> - </ul> - </div> - </div> - <div class="col-md-3"> - <div class="footer-widget"> - <h5>About Storm</h5> - <p>Storm integrates with any queueing system and any database system. 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