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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/03/12 01:39:49 UTC

[GitHub] [iotdb] jt2594838 commented on a change in pull request #2811: Fix compaction with cluster snapshot deletion

jt2594838 commented on a change in pull request #2811:
URL: https://github.com/apache/iotdb/pull/2811#discussion_r592851115



##########
File path: server/src/main/java/org/apache/iotdb/db/engine/compaction/utils/CompactionUtils.java
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@@ -271,6 +271,9 @@ public static void merge(
       for (TsFileResource tsFileResource : tsFileResources) {
         TsFileSequenceReader reader =
             buildReaderFromTsFileResource(tsFileResource, tsFileSequenceReaderMap, storageGroup);
+        if (reader == null) {
+          throw new IOException();

Review comment:
       Add some message in this exception.




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