Set build JDK to java 8

Author: glibas

.travis.yml

@@ -10,12 +10,15 @@ jobs:
   - stage: test
     scala: 2.11
     script: mvn test -pl scala/scala_2.11 -B
+    jdk: openjdk8
   - stage: test
     scala: 2.12
     script: mvn test -pl scala/scala_2.12,examples -B
+    jdk: openjdk8
   - stage: test
     scala: 2.13
     script: mvn test -pl scala/scala_2.13,examples -B
+    jdk: openjdk8
   - stage: deploy
     jdk: openjdk8
     script:

pom.xml

@@ -199,11 +199,6 @@
                     <groupId>net.alchim31.maven</groupId>
                     <artifactId>scala-maven-plugin</artifactId>
                     <version>${scala-maven-plugin.version}</version>
-                    <configuration>
-                        <args>
-                            <arg>-nobootcp</arg>
-                        </args>
-                    </configuration>
                 </plugin>
 
             </plugins>