Duo Zhang created HBASE-22502:
---------------------------------

             Summary: Purge the logs when we reach the EOF for the last wal 
file when replication
                 Key: HBASE-22502
                 URL: https://issues.apache.org/jira/browse/HBASE-22502
             Project: HBase
          Issue Type: Bug
            Reporter: Duo Zhang


Now there will be strange a warn log

{noformat}
2019-05-30 14:59:38,426 WARN  
[RS:1;zhangduo-ubuntu:39885.replicationSource.wal-reader.zhangduo-ubuntu%2C39885%2C1559199556433,2]
 wal.ProtobufLogReader(422): Encountered a malformed edit, seeking back to last 
good position in file, from 2459 to 2459
java.io.EOFException: First byte is negative at offset 2459
        at 
org.apache.hadoop.hbase.regionserver.wal.ProtobufLogReader.readNext(ProtobufLogReader.java:347)
        at 
org.apache.hadoop.hbase.regionserver.wal.ReaderBase.next(ReaderBase.java:98)
        at 
org.apache.hadoop.hbase.regionserver.wal.ReaderBase.next(ReaderBase.java:86)
        at 
org.apache.hadoop.hbase.replication.regionserver.WALEntryStream.readNextEntryAndRecordReaderPosition(WALEntryStream.java:263)
        at 
org.apache.hadoop.hbase.replication.regionserver.WALEntryStream.tryAdvanceEntry(WALEntryStream.java:176)
        at 
org.apache.hadoop.hbase.replication.regionserver.WALEntryStream.hasNext(WALEntryStream.java:101)
        at 
org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.readWALEntries(ReplicationSourceWALReader.java:195)
        at 
org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.run(ReplicationSourceWALReader.java:138)
{noformat}

And in TestReplicationStatus* UTs, we set the retry interval to 100ms, so the 
logs are flooded with these useless warns...



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