goiri commented on a change in pull request #2267:
URL: https://github.com/apache/hadoop/pull/2267#discussion_r481808142
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File path:
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java
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@@ -582,9 +583,9 @@ private Object invoke(String nsId, int retryCount, final
Method method,
* @return If the exception comes from an unavailable subcluster.
*/
public static boolean isUnavailableException(IOException ioe) {
- if (ioe instanceof ConnectException ||
Review comment:
I had issues triggering these exceptions in tests in the past. Any idea
how we can test this?
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