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HBASE-27251 Rolling back from 2.5.0-SNAPSHOT to 2.4.13 fails due to '… #4665

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Merged
huaxiangsun merged 1 commit into from
Aug 1, 2022
Merged

HBASE-27251 Rolling back from 2.5.0-SNAPSHOT to 2.4.13 fails due to '… #4665

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6 changes: 6 additions & 0 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/master/region/MasterRegion.java
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,12 @@ private static HRegion open(Configuration conf, TableDescriptor td, FileSystem f
FileSystem walFs, Path walRootDir, WALFactory walFactory, MasterRegionWALRoller walRoller,
String serverName) throws IOException {
Path tableDir = CommonFSUtils.getTableDir(rootDir, td.getTableName());
FileStatus[] nonRegionDirs = fs.listStatus(tableDir, p -> p.getName().startsWith("."));
if (nonRegionDirs.length > 0) {
LOG.warn("There are non-region directories under " + tableDir + ", such as "
+ nonRegionDirs[0].getPath() + ", ignored");
}

// on branch-2, the RegionInfo.isEncodedRegionName will returns true for .initializing and
// .initialized, see HBASE-25368. Since RegionInfo is IA.Public, changing the implementation may
// raise compatibility concerns, so here we just skip them by our own.
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