diff -r a9d4a8d5c57f -r d8442b266ca8 scripts/sql-dk.sh
--- a/scripts/sql-dk.sh	Sat Jul 25 17:25:19 2020 +0200
+++ b/scripts/sql-dk.sh	Sun Sep 13 12:01:35 2020 +0200
@@ -18,6 +18,24 @@
 	"/usr/share/java/mysql.jar"
 );
 
+# Standard libraries
+[ -n "$STANDARD_LIB" ] || STANDARD_LIB=(
+	"/usr/share/java/jaxb-api.jar"
+	"/usr/share/java/jaxb-runtime.jar"
+);
+# JAXB library is needed since Java 9 (up to Java 8 it was part of the JRE).
+# By default, we use JARs from the distribution.
+# Some distributions might contain older versions of the JAXB library (2.3.0)
+# that work but generate following waringns:
+#   WARNING: An illegal reflective access operation has occurred
+#   WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/usr/share/java/jaxb-runtime.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
+#   WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector
+#   WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
+#   WARNING: All illegal access operations will be denied in a future release
+# In order to get rid of them, the user can use newer JARs from Maven that are copied into the java/sql-dk/target/lib/ directory during build.
+# This is done by adding them in the STANDARD_LIB variable in his environment.sh file.
+
+
 # Additional JDBC drivers might be specified in CUSTOM_JDBC array
 # Plugins (formatters etc.) might be specified in PLUGINS array
 
@@ -26,7 +44,7 @@
 
 CLASS_PATH="$JAR";
 
-for e in "${STANDARD_JDBC[@]}" "${CUSTOM_JDBC[@]}" "${PLUGINS[@]}"; do
+for e in "${CUSTOM_JDBC[@]}" "${PLUGINS[@]}" "${STANDARD_JDBC[@]}" "${STANDARD_LIB[@]}"; do
 	CLASS_PATH="$CLASS_PATH:$e";
 done