linyiqun commented on a change in pull request #1358:
URL: https://github.com/apache/hadoop-ozone/pull/1358#discussion_r479650690
##########
File path:
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/protocolPB/OzoneManagerRequestHandler.java
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@@ -290,6 +290,11 @@ public void validateRequest(OMRequest omRequest) throws
OMException {
throw new OMException("ClientId is null",
OMException.ResultCodes.INVALID_REQUEST);
}
+
+ if (omRequest.getLayoutVersion() == null) {
Review comment:
We might add a comment to say why we should pass layout version in write
type request. That will be good understanding. Others maybe not know this is
used for rolling upgrade check.
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