[onnxruntime] Add debug message for OnnxRuntime (#3217)

engines/onnxruntime/onnxruntime-engine/src/main/java/ai/djl/onnxruntime/engine/OrtEngine.java

@@ -23,6 +23,9 @@
 import ai.onnxruntime.OrtLoggingLevel;
 import ai.onnxruntime.OrtSession;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * The {@code OrtEngine} is an implementation of the {@link Engine} based on the <a
  * href="https://microsoft.github.io/onnxruntime/">ONNX Runtime Deep Learning Library</a>.
@@ -32,6 +35,8 @@
  */
 public final class OrtEngine extends Engine {
 
+    private static final Logger logger = LoggerFactory.getLogger(OrtEngine.class);
+
     public static final String ENGINE_NAME = "OnnxRuntime";
     static final int RANK = 10;
 
@@ -110,6 +115,7 @@ public boolean hasCapability(String capability) {
                 sessionOptions.addCUDA();
                 return true;
             } catch (OrtException e) {
+                logger.warn("CUDA is not supported OnnxRuntime engine: " + e.getMessage());
                 return false;
             }
         }