goiri commented on code in PR #5696:
URL: https://github.com/apache/hadoop/pull/5696#discussion_r1221853205
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/metrics/RBFMetrics.java:
##########
@@ -715,8 +716,12 @@ public String getTopTokenRealOwners() {
RouterSecurityManager mgr =
this.router.getRpcServer().getRouterSecurityManager();
if (mgr != null && mgr.getSecretManager() != null) {
- return JSON.toString(mgr.getSecretManager()
- .getTopTokenRealOwners(this.topTokenRealOwners));
+ try {
+ return JsonUtil.toJsonString((mgr.getSecretManager()
Review Comment:
This would read nicer if extracted.
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/security/TestRouterSecurityManager.java:
##########
@@ -81,6 +87,17 @@ public static void createMockSecretManager() throws
IOException {
@Rule
public ExpectedException exceptionRule = ExpectedException.none();
+ private Router initializeAndStartRouter(Configuration configuration) {
+ Router router = new Router();
+ try {
+ router.init(configuration);
+ router.start();
+ } catch (MetricsException e) {
+ //do nothing
Review Comment:
We should at least log this.
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