[ BUILD # : 201606280002 ]
[ JDK VERSION : 1.8.0_45 ]

STEPS:
   * in pom.xml(<packaging>jar</packaging>) add plugin
org.codehaus.mojo/exec-maven-plugin
   * run goal process-classes org.codehaus.mojo:exec-maven-plugin:1.2.1:

ACTUAL:
   --- exec-maven-plugin:1.3.2:exec (exec-npm-install-webapp) @ demo ---
The command line is too long.

EXPECTED:
   BUILD successful

my nbaction.xml
<?xml version="1.0" encoding="UTF-8"?>
<actions>
</actions>
<action>
<actionName>CUSTOM-m1k0-exec</actionName>
<displayName>m1k0-exec</displayName>
<packagings>
<packaging>jar</packaging>
</packagings>
<goals>
<goal>process-classes</goal>
<goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
</goals>
<properties>
<exec.args>-classpath %classpath com.example.DemoApplication</exec.args>
<exec.executable>java</exec.executable>
</properties>
</action>