NPE when executing JAR packaged with Wildfly Swarm Alpha 3

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright 2015 Red Hat, Inc. and/or its affiliates.
  ~
  ~ Licensed under the Apache License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
  -->
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.coovol</groupId>
  <version>0.0.1</version>

  <artifactId>api</artifactId>

  <name>Coovol API</name>
  <description>Coovol API</description>

  <packaging>jar</packaging>

  <properties>
    <version.wildfly-swarm>1.0.0.Alpha3</version.wildfly-swarm>

    <maven.min.version>3.2.1</maven.min.version>

    <maven.compiler.target>1.8</maven.compiler.target>
    <maven.compiler.source>1.8</maven.compiler.source>

    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <build>
    <plugins>
      <plugin>
        <groupId>org.wildfly.swarm</groupId>
        <artifactId>wildfly-swarm-plugin</artifactId>
        <version>${version.wildfly-swarm}</version>
        <configuration>
          <mainClass>org.wildfly.swarm.Swarm</mainClass>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>package</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

  <dependencies>
    <dependency>
      <groupId>org.wildfly.swarm</groupId>
      <artifactId>wildfly-swarm-weld-jaxrs</artifactId>
      <version>${version.wildfly-swarm}</version>
    </dependency>
    <dependency>
      <groupId>io.reactivex</groupId>
      <artifactId>rxjava</artifactId>
      <version>1.0.12</version>
    </dependency>
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.16.4</version>
    </dependency>
    <dependency>
      <groupId>com.thinkaurelius.titan</groupId>
      <artifactId>titan-core</artifactId>
      <version>0.9.0-M2</version>
    </dependency>
    <dependency>
      <groupId>com.thinkaurelius.titan</groupId>
      <artifactId>titan-cassandra</artifactId>
      <version>0.9.0-M2</version>
    </dependency>
    <dependency>
      <groupId>org.apache.tinkerpop</groupId>
      <artifactId>gremlin-core</artifactId>
      <version>3.0.0.M9-incubating</version>
    </dependency>
    <dependency>
      <groupId>com.diffplug.durian</groupId>
      <artifactId>durian</artifactId>
      <version>2.0</version>
    </dependency>
    <dependency>
      <groupId>com.nimbusds</groupId>
      <artifactId>nimbus-jose-jwt</artifactId>
      <version>3.10</version>
    </dependency>

  </dependencies>

</project>