Going back to maven-compiler-plugin 2.0.2 in bootstrap,
cause maven-compiler-plugin 3.1 is already defined in group-6
diff --git a/core-it-suite/src/test/resources/bootstrap/pom.xml b/core-it-suite/src/test/resources/bootstrap/pom.xml
index ffb8524..ed2d96e 100644
--- a/core-it-suite/src/test/resources/bootstrap/pom.xml
+++ b/core-it-suite/src/test/resources/bootstrap/pom.xml
@@ -55,7 +55,7 @@
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
- <version>3.1</version>
+ <version>2.0.2</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>