diff --git a/src/main/java/com/googlecode/jsonrpc4j/JsonRpcBasicServer.java b/src/main/java/com/googlecode/jsonrpc4j/JsonRpcBasicServer.java
index aa1db67..be21710 100644
--- a/src/main/java/com/googlecode/jsonrpc4j/JsonRpcBasicServer.java
+++ b/src/main/java/com/googlecode/jsonrpc4j/JsonRpcBasicServer.java
@@ -138,7 +138,7 @@ private static void loadAnnotationSupportEngine() {
 			WEB_PARAM_ANNOTATION_CLASS = classLoader.loadClass(WEB_PARAM_ANNOTATION_CLASS_LOADER).asSubclass(Annotation.class);
 			WEB_PARAM_NAME_METHOD = WEB_PARAM_ANNOTATION_CLASS.getMethod(NAME);
 		} catch (ClassNotFoundException | NoSuchMethodException e) {
-			logger.error("Could not find {}.{}", WEB_PARAM_ANNOTATION_CLASS_LOADER, NAME, e);
+			logger.debug("Could not find {}.{}", WEB_PARAM_ANNOTATION_CLASS_LOADER, NAME);
 		}
 	}