specify build dist as the default xenial doesnot support jdk8 anymore

stevehu · stevehu · commit b0c8b8691ea0 · 2019-09-30T20:16:21.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,5 @@
+Build dist: trusty
+
 language: java
 
 cache:
