[GitHub] [ozone] timmylicheng commented on a change in pull request #1652: HDDS-4542. Need throw exception to trigger FailoverProxyProvider of SCM client to work

[GitBox <gi...@apache.org>]

timmylicheng commented on a change in pull request #1652:
URL: https://github.com/apache/ozone/pull/1652#discussion_r535134176



##########
File path: hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/protocol/StorageContainerLocationProtocolServerSideTranslatorPB.java
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@@ -133,9 +133,7 @@ private boolean isLeader() throws ServiceException {
   public ScmContainerLocationResponse submitRequest(RpcController controller,
       ScmContainerLocationRequest request) throws ServiceException {
     if (!isLeader()) {
-      return ScmContainerLocationResponse.newBuilder()
-              .setCmdType(request.getCmdType()).setTraceID(request.getTraceID())
-              .setSuccess(false).setStatus(Status.SCM_NOT_LEADER).build();
+      throw new ServiceException(new IOException("SCM IS NOT LEADER"));

Review comment:
       Shall we expose scm names or ipadress for the current SCM?




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