goiri commented on a change in pull request #2887:
URL: https://github.com/apache/hadoop/pull/2887#discussion_r644478595
##########
File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/NamenodeHeartbeatService.java
##########
@@ -170,7 +172,20 @@ protected void serviceInit(Configuration configuration)
throws Exception {
@Override
public void periodicInvoke() {
- updateState();
+ try {
+ SecurityUtil.doAsCurrentUser(
+ new PrivilegedExceptionAction<Object>() {
+ @Override
+ public Object run() {
+ updateState();
+ return null;
+ }
+ });
+ } catch (IOException e) {
+ // Generic error that we don't know about
+ LOG.error("Unexpected exception while communicating with {}: {}",
Review comment:
#3 sounds reasonable, do you mind giving it a try in this PR?
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