diff --git a/.travis.yml b/.travis.yml
index d06d146..0383c06 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
language: java
-jdk: oraclejdk8
+jdk: openjdk8
install: mvn install -DskipTests=true
script: mvn test -pl index-data-converter
diff --git a/solr-config/core/conf/schema.xml b/solr-config/core/conf/schema.xml
index 0b00bb2..fca70c6 100644
--- a/solr-config/core/conf/schema.xml
+++ b/solr-config/core/conf/schema.xml
@@ -290,6 +290,10 @@
+
@@ -374,6 +378,7 @@
+
@@ -654,6 +659,7 @@
+