Thanks Aldrin. It worked. :)
However I am still not able to update the environment. I am getting following exception now.
Here is the command I run
mvn -Pdeploy -Dbeanstalk.cnamePrefix=test
[WARNING] You should encrypt your passwords. See
http://beanstalker.ingenieux.com.br/security.html for more information
[INFO] Configuring Proxy. Proxy Host:
proxy name Proxy Port: 8080
[INFO] ... with cname set to '
se-cloud-services.elasticbeanstalk.com'
[INFO] ... with status *NOT* set to 'Terminated'
[WARNING] FAILURE
java.lang.RuntimeException: org.apache.maven.plugin.MojoExecutionException: No environments found
at br.com.ingenieux.mojo.beanstalk.AbstractNeedsEnvironmentMojo.configure(AbstractNeedsEnvironmentMojo.java:61)
at br.com.ingenieux.mojo.aws.AbstractAWSMojo.execute(AbstractAWSMojo.java:350)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)