improve error message when forgetting @ in XML CompEvol#28

zhangchicool · Nov 7, 2023 · 1d4298c · 1d4298c
1 parent dc30e40
commit 1d4298c
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/beast/base/core/Input.java b/src/beast/base/core/Input.java
@@ -387,9 +387,10 @@ public void setValue(final Object value, final BEASTInterface beastObject) {
             try {
                 setStringValue((String) value, beastObject);
             } catch (Exception e) {
-                // e.printStackTrace();
-            	Log.warning.println("Failed to set the string value to '" + value + "' for beastobject id=" + beastObject.getID());
-                throw new RuntimeException("Failed to set the string value to '" + value + "' for beastobject id=" + beastObject.getID());
+            	String msg = "Failed to set the string value to '" + value + "' for beastobject id=" + beastObject.getID() +
+            			(BEASTInterface.class.isAssignableFrom(theClass)? "\nPerhaps forgot to add a `@` in the attribute value?" :  "");
+            	Log.warning(msg);
+                throw new RuntimeException(msg);
             }
         } else if (this.value != null && this.value instanceof List<?>) {
             if (theClass.isAssignableFrom(value.getClass())) {