goiri commented on code in PR #4375:
URL: https://github.com/apache/hadoop/pull/4375#discussion_r885918464
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/resolver/order/TestLocalResolver.java:
##########
@@ -78,12 +77,8 @@ public void testLocalResolver() throws IOException {
StringBuilder sb = new StringBuilder("clientX");
LocalResolver localResolver = new LocalResolver(conf, router);
LocalResolver spyLocalResolver = spy(localResolver);
- doAnswer(new Answer<String>() {
- @Override
- public String answer(InvocationOnMock invocation) throws Throwable {
- return sb.toString();
- }
- }).when(spyLocalResolver).getClientAddr();
+ doAnswer((Answer<String>) invocation ->
Review Comment:
The line split is a little weird. Maybe better as:
```
doAnswer((Answer<String>) invocation -> sb.toString()
).when(spyLocalResolver).getClientAddr();
```
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