MLE-21542 Yet one more small null check

Author: rjrudin

ml-javaclient-util/src/main/java/com/marklogic/client/ext/schemasloader/impl/TdeDocumentFileProcessor.java

@@ -108,9 +108,12 @@ private void validateTdeTemplate(DocumentFile documentFile) {
 				if (call != null) {
 					ObjectNode node = (ObjectNode) call.evalAs(JsonNode.class);
 					if (node != null && node.has("valid") && node.get("valid") != null && node.get("valid").asBoolean()) {
-						logger.info("TDE template passed validation: " + file);
+						logger.info("TDE template passed validation: {}", file);
 					} else {
-						throw new RuntimeException(format("TDE template failed validation; file: %s; cause: %s", file, node.get("message").asText()));
+						String message = node != null && node.has("message") ?
+							node.get("message").asText() :
+							"Unknown error validating TDE template";
+						throw new RuntimeException(format("TDE template failed validation; file: %s; cause: %s", file, message));
 					}
 				}
 			}