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Appy commented on HBASE-13783: ------------------------------ Following is the stack trace that was seen in this case. The root cause was 'invalid block magic header' and it has been fixed in https://issues.apache.org/jira/browse/HBASE-11625. Closing this one out. {noformat} java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader reader=...........] at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:155) at org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:171) at org.apache.hadoop.hbase.regionserver.Compactor.compact(Compactor.java:172) at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:1156) at org.apache.hadoop.hbase.regionserver.HRegion.compact(HRegion.java:1370) at org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest.run(CompactionRequest.java:303) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: Invalid HFile block magic: \x5Ck\x9E\xD823\xC5h at org.apache.hadoop.hbase.io.hfile.BlockType.parse(BlockType.java:153) at org.apache.hadoop.hbase.io.hfile.BlockType.read(BlockType.java:164) at org.apache.hadoop.hbase.io.hfile.HFileBlock.<init>(HFileBlock.java:256) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1925) at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1703) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:343) at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$ScannerV2.seekTo(HFileReaderV2.java:755) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:226) at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:143) {noformat} > Improve error message "Could not seek StoreFileScanner" to indicate that > issue could be a bad disk > -------------------------------------------------------------------------------------------------- > > Key: HBASE-13783 > URL: https://issues.apache.org/jira/browse/HBASE-13783 > Project: HBase > Issue Type: Improvement > Reporter: Appy > Priority: Minor > Attachments: HBASE-13783.patch > > > Feedback from customers. > Following error could mean that a disk has gone bad. We have seen many users > confused by this error. > java.io.IOException: Could not seek StoreFileScanner[HFileScanner for reader > reader=hdfs://XXXX/843914879034b56117dfa6b7f3c8383d/content/b6f5e9961d2d4578aea3917c0637bb7c -- This message was sent by Atlassian JIRA (v6.3.4#6332)