>From the error message it looks like you are running the example from the >command-line in the incubator-storm folder, instead of the >incubator-storm/examples/storm-starter folder.
________________________________ From: uday bhaskar <[email protected]> Sent: Friday, July 18, 2014 8:08 PM To: [email protected] Subject: trouble running storm starter Hi, I am new to Java and Storm. I am following the instructions on https://github.com/apache/incubator-storm/tree/master/examples/storm-starter for setting up my storm project. I was able to generate the storm libraries with maven. But seem to run into trouble when try to execute the storm-starter examples. Please advise. mvn compile exec:java -Dstorm.topology=storm.starter.WordCountTopology I get the error, [INFO] BUILD FAILURE --------------------------------------------- [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.3:java (default-cli) on project storm: The parameters 'mainClass' for goal org.codehaus.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 switch. [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 read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginParameterException<http://cwiki.apache.org/confluence/display/MAVEN/PluginParameterException>
