[travis] Another attempt to fix java.

diff --git a/.travis.yml b/.travis.yml
index 5757511..a62c76a 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,8 @@ language: cpp
 compiler:
    - gcc
 #  - clang 
+jdk:
+   - openjdk11
 addons:
   apt:
     update: true
@@ -17,7 +19,6 @@ addons:
     packages:
     - cmake
     - valgrind
-#    - default-jdk
     - gfortran
     - libboost-dev
     - libboost-all-dev