Hernan Gelaf-Romer created HBASE-29447:
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Summary: WAL Archives Cause Incremental Backup Failures
Key: HBASE-29447
URL: https://issues.apache.org/jira/browse/HBASE-29447
Project: HBase
Issue Type: Bug
Components: backup&restore
Reporter: Hernan Gelaf-Romer
If a WAL file is rolled + archived during an incremental backup, we get a FNFE
and the backup process will fail. When we try to run the WalPlayer to convert
WAL files to HFiles, we run into the following error
{code:java}
2025-07-06 11:39:22.573 [pool-115-thread-1] ERROR
o.a.h.h.b.impl.TableBackupClient - Unexpected exception in incremental-backup:
incremental copy backup_1751801939412File
hdfs://venus-hb2-a-prod:8020/hbase/WALs/na1-real-weary-skink.iad02.hubinternal.net,60020,1751589560526/na1-real-weary-skink.iad02.hubinternal.net%2C60020%2C1751589560526.1751800206074
does not exist. java.io.FileNotFoundException: File
hdfs://venus-hb2-a-prod:8020/hbase/WALs/na1-real-weary-skink.iad02.hubinternal.net,60020,1751589560526/na1-real-weary-skink.iad02.hubinternal.net%2C60020%2C1751589560526.1751800206074
does not exist.{code}
In order to make this more resilient, we could make sure to check the archive
directory for the missing WAL file if we run into this issue. We do something
similar when handling bulkloads
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