diff --git a/ortools/java/com/google/ortools/Loader.java b/ortools/java/com/google/ortools/Loader.java
index 457ab82d53..9bdb8b0751 100644
--- a/ortools/java/com/google/ortools/Loader.java
+++ b/ortools/java/com/google/ortools/Loader.java
@@ -29,6 +29,8 @@ import java.nio.file.attribute.BasicFileAttributes;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
+import java.util.AbstractMap;
 import java.util.Objects;
 
 /** Load native libraries needed for using ortools-java. */
@@ -141,19 +143,30 @@ public class Loader {
       try {
         URI resourceURI = getNativeResourceURI();
         Path tempPath = unpackNativeResources(resourceURI);
-        // libraries order does matter !
-        List<String> dlls = Arrays.asList("zlib1", "abseil_dll", "re2", "utf8_validity",
-            "libprotobuf", "highs", "libscip", "ortools", "jniortools");
-        for (String dll : dlls) {
+        // libraries order does matter <LibraryName, isMandatory> !
+        List<Map.Entry<String,Boolean>> dlls = Arrays.asList(
+        (new AbstractMap.SimpleEntry("zlib1", true)),
+        (new AbstractMap.SimpleEntry("abseil_dll", true)),
+        (new AbstractMap.SimpleEntry("re2", true)),
+        (new AbstractMap.SimpleEntry("libutf8_validity", true)),
+        (new AbstractMap.SimpleEntry("libprotobuf", true)),
+        (new AbstractMap.SimpleEntry("highs", false)),
+        (new AbstractMap.SimpleEntry("libscip", false)),
+        (new AbstractMap.SimpleEntry("ortools", true)),
+        (new AbstractMap.SimpleEntry("jniortools", true)));
+
+        for (Map.Entry<String,Boolean> dll : dlls) {
           try {
-            // System.out.println("System.load(" + dll + ")");
+            //System.out.println("System.load(" + dll.getKey() + ")");
             System.load(tempPath.resolve(RESOURCE_PATH)
-                    .resolve(System.mapLibraryName(dll))
+                    .resolve(System.mapLibraryName(dll.getKey()))
                     .toAbsolutePath()
                     .toString());
           } catch (UnsatisfiedLinkError e) {
-            System.out.println("System.load(" + dll + ") failed!");
-            throw new RuntimeException(e);
+            System.out.println("System.load(" + dll.getKey() + ") failed!");
+            if(dll.getValue()) {
+                throw new RuntimeException(e);
+            }
           }
         }
         loaded = true;