Hi Neil,

        I did the following


~/Downloads/storm-book-examples-ch02-getting_started-8e42636 ⮀

» mvn clean package

» mvn exec:java -Dexec.mainClass="TopologyMain"
-Dexec.args="src/main/resources/words.txt"

-- Word Counter [word-counter-2] --

really: 1

but: 1

application: 1

is: 2

great: 2

are: 1

test: 1

simple: 1

an: 1

powerfull: 1

storm: 3

very: 1

I was able to run the TopologyMain.

This is with

mvn --version

Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9;
2014-02-14T09:37:52-08:00)

Maven home: /usr/local/Cellar/maven/3.2.1/libexec

Java version: 1.6.0_65, vendor: Apple Inc.

Java home:
/System/Library/Java/JavaVirtualMachines/[1]1.6.0.jdk/Contents/Home

Default locale: en_US, platform encoding: MacRoman

OS name: "mac os x", version: "10.9.2", arch: "x86_64", family: "mac"





Can you run the following

mvn -X exec:java -Dexec.mainClass="TopologyMain"
-Dexec.args="src/main/resources/words.txt"



If you see java.lang.ClassNotFoundException: TopologyMain

build the package by mvn clean package.

-Harsha





On Fri, May 30, 2014, at 05:20 AM, Neil Shah wrote:


Hi,

I am following book " Getting started with Storm"
[2]http://my.safaribooksonline.com/9781449324025?iid=2013-12-blog-storm
-book-9781449324025-SBOBlog

They have specified Spouts and Bolts at following link
[3]https://github.com/storm-book/examples-ch02-getting_started/zipball/
master

When i try to run the topology using maven command
mvn exec:java -Dexec.mainClass="TopologyMain" -Dexec.args="src/main/resources/wo
rds.txt"

where TopologyMain is the main class name
It is throwing me following error

[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.3:java (def
ault-cli) on project stormArtifact: The parameters 'mainClass' for goal org.code
haus.mojo:exec-maven-plugin:1.3:java are missing or invalid -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit
ch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] [4]http://cwiki.apache.org/confluence/display/MAVEN/PluginParam
ete
rException


My pom.xml is as below

<project xmlns="[5]http://maven.apache.org/POM/4.0.0";
xmlns:xsi="[6]http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="[7]http://maven.apache.org/POM/4.0.0[8]http://maven.apache.o
rg/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>stormGroup</groupId>
<artifactId>stormArtifact</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<plugins>
<plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-compiler-plugin</artifactId>
 <version>2.3.2</version>
 <configuration>
     <source>1.7</source>
     <target>1.7</target>
     <compilerVersion>1.7</compilerVersion>
 </configuration>
</plugin>
</plugins>
</build>
<repositories>
<!-- Repository where we can found the storm dependencies -->
<repository>
<id>[9]clojars.org</id>
<url>[10]http://clojars.org/repo</url>
</repository>
</repositories>
<dependencies>
<!-- Storm Dependency -->
<dependency>
<groupId>storm</groupId>
<artifactId>storm</artifactId>
<version>0.9.0</version>
</dependency>
</dependencies>
</project>


Can anybody help me with the issue? Let me know if you need any more
details

--
Thanks & Regards
Neil Shah

References

1. http://1.6.0.jdk/Contents/Home
2. 
http://my.safaribooksonline.com/9781449324025?iid=2013-12-blog-storm-book-9781449324025-SBOBlog
3. https://github.com/storm-book/examples-ch02-getting_started/zipball/master
4. http://cwiki.apache.org/confluence/display/MAVEN/PluginParamete
5. http://maven.apache.org/POM/4.0.0
6. http://www.w3.org/2001/XMLSchema-instance
7. http://maven.apache.org/POM/4.0.0
8. http://maven.apache.org/xsd/maven-4.0.0.xsd
9. http://clojars.org/
  10. http://clojars.org/repo

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