charlesconnell commented on code in PR #8542:
URL: https://github.com/apache/hbase/pull/8542#discussion_r3741020522


##########
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupInfo.java:
##########
@@ -516,8 +528,13 @@ public static BackupInfo fromProto(BackupProtos.BackupInfo 
proto) {
       
context.setState(BackupInfo.BackupState.valueOf(proto.getBackupState().name()));
     }
 
-    context
-      .setHLogTargetDir(BackupUtils.getLogBackupDir(proto.getBackupRootDir(), 
proto.getBackupId()));
+    // Only incremental backups have a WAL target directory. Setting this 
unconditionally would
+    // hand FULL backups a non-null path that never existed, which 
cleanupHLogDir() would then
+    // try to delete.
+    if (BackupType.valueOf(proto.getBackupType().name()) == 
BackupType.INCREMENTAL) {
+      context.setHLogTargetDir(

Review Comment:
   While I don't believe this is true, in the interest of keeping this PR as 
easy to understand as possible, I'm going to revert this line



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