Check if java is present.

Author: tecarter94

deploy/tasks/buildah-oci-ta.yaml

@@ -398,6 +398,8 @@ spec:
         BUILDAH_ARGS=()
         use_domain_proxy=false
 
+        java -version
+
         if [ "${HERMETIC}" == "true" ]; then
           BUILDAH_ARGS+=("--pull=never")
           UNSHARE_ARGS="--net"