a2l007 commented on code in PR #13815:
URL: https://github.com/apache/druid/pull/13815#discussion_r1108774005
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server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java:
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@@ -1572,12 +1566,12 @@ protected DataStoreMetadataUpdateResult
updateDataSourceMetadataWithHandle(
if (!startMetadataMatchesExisting) {
// Not in the desired start state.
- log.error(
- "Not updating metadata, existing state[%s] in metadata store doesn't
match to the new start state[%s].",
+ return new DataStoreMetadataUpdateResult(true, false, StringUtils.format(
+ "Not updating metadata, existing state[%s] in metadata store doesn't
match to the new start state[%s]." +
+ " This usually happens if the input stream is changed within the
same supervisor.",
Review Comment:
The resolution for this is to reset the supervisor right? Should we also
incorporate that information into this error message?
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