changed maven-assembly-plugin version to release version, travis error mentions version 2.2-beta-5
MODIFY
pom.xml
pom.xml
<version.source.plugin>2.4</version.source.plugin>
<version.resources.plugin>2.7</version.resources.plugin>
<version.war.plugin>2.5</version.war.plugin>
+ <version.assembly.plugin>3.1.1</version.assembly.plugin>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<artifactId>maven-gpg-plugin</artifactId>
<version>${version.maven-gpg-plugin.plugin}</version>
</plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-assembly-plugin</artifactId>
+ <version>${version.assembly.plugin}</version>
+ </plugin>
<!-- <plugin> -->
<!-- <groupId>org.apache.maven.plugins</groupId> -->
<!-- <artifactId>maven-enforcer-plugin</artifactId> -->

changed maven-assembly-plugin version to release version, travis error mentions version 2.2-beta-5