Stuck on Step 9 - Run the client . able to run mvn validate, install and clean without any error but when I try mvn exec:exec, I am getting the following error
pi@raspberrypi:~/Desktop/alexa-avs-raspberry-pi-master/samples/javaclient $ mvn exec:exec [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Alexa Voice Service Sample Java Client 20160207.0 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- exec-maven-plugin:1.2.1:exec (default-cli) @ sample-java-client --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 7.065 s [INFO] Finished at: 2016-07-11T23:37:57+00:00 [INFO] Final Memory: 7M/18M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project sample-java-client: Command execution failed. Process exited with an error: 139 (Exit value: 139) -> [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/MojoExecutionException
Any help to resolve this issue is highly appreciated.