diff --git a/jjb/defaults.yaml b/jjb/defaults.yaml
index 3e9562a..cc1ed78 100644
--- a/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@ -68,3 +68,14 @@
     # This portion of the path should be included: `$GOPATH/src/<dest-gopath>/<project>"
     # If blank, golang related variables won't be set
     dest-gopath: ''
+
+    # JDK distribution to use
+    # Give the version of the JDK to use when building
+    # Parameter is used with `update-java-alternatives --set <jdk-distribution>`
+    jdk-distribution: 'java-11-amazon-corretto'
+
+    # Optionally allow JUnit results to be empty when test framework is set up,
+    # but no tests exist. Default behavior is to fail when test results are
+    # empty. Also will not vote if no test output exists - good for repos where
+    # tests or test output generation may not yet exist.
+    junit-allow-empty-results: false