shahrs87 commented on code in PR #6916:
URL: https://github.com/apache/hadoop/pull/6916#discussion_r1663310288
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java:
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@@ -2516,13 +2509,15 @@ public int readAndProcess() throws IOException,
InterruptedException {
}
if (!RpcConstants.HEADER.equals(dataLengthBuffer)) {
+ final String hostName = addr == null ? this.hostAddress :
addr.getHostName();
Review Comment:
In what case addr would be null? We were not handling `addr == null` edge
case before. Wondering what has changed.
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