[fix][test] ensure EchoTranslator.processInput does not return null (deepjavalibrary#2664)

siddvenk · web-flow · commit 904fd26e2b64 · 2025-01-15T16:28:00.000-08:00
diff --git a/serving/src/test/java/ai/djl/serving/translator/EchoTranslator.java b/serving/src/test/java/ai/djl/serving/translator/EchoTranslator.java
@@ -37,7 +37,7 @@ public Batchifier getBatchifier() {
     @Override
     public NDList processInput(TranslatorContext ctx, Input input) {
         ctx.setAttachment("input", input);
-        return null;
+        return new NDList();
     }
 
     @Override

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ public Batchifier getBatchifier() {`
`37`	`37`	`@Override`
`38`	`38`	`public NDList processInput(TranslatorContext ctx, Input input) {`
`39`	`39`	`ctx.setAttachment("input", input);`
`40`		`- return null;`
	`40`	`+ return new NDList();`
`41`	`41`	`}`
`42`	`42`
`43`	`43`	`@Override`