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Posted to common-dev@hadoop.apache.org by "stack (JIRA)" <ji...@apache.org> on 2008/10/31 23:13:44 UTC
[jira] Resolved: (HADOOP-4562) Logs filled with "IOException:
Checksum ok was sent and should not be sent again"
[ https://issues.apache.org/jira/browse/HADOOP-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HADOOP-4562.
---------------------------
Resolution: Duplicate
Thanks. I confirmed that the debug message no longer shows (My bad, HBase was using DFSClient out of RC0 when I made above stacktraces). Resolving as fixed by HADOOP-4499.
> Logs filled with "IOException: Checksum ok was sent and should not be sent again"
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-4562
> URL: https://issues.apache.org/jira/browse/HADOOP-4562
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.19.0
> Reporter: stack
> Priority: Blocker
>
> Updating hbase to use 0.19.0RC0 or latest from branch-0.19, I see reams of this in logs:
> {code}
> 2008-10-31 18:33:41,296 INFO org.apache.hadoop.fs.FSInputChecker: java.io.IOException: Checksum ok was sent and should not be sent again
> at org.apache.hadoop.hdfs.DFSClient$BlockReader.read(DFSClient.java:1064)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.readBuffer(DFSClient.java:1613)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1663)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1590)
> at java.io.DataInputStream.readByte(DataInputStream.java:248)
> at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:325)
> at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:346)
> at org.apache.hadoop.io.Text.readString(Text.java:400)
> at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1471)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1428)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1417)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1412)
> at org.apache.hadoop.io.MapFile$Reader.open(MapFile.java:293)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$HbaseMapFile$HbaseReader.<init>(HStoreFile.java:632)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$BloomFilterMapFile$Reader.<init>(HStoreFile.java:714)
> at org.apache.hadoop.hbase.regionserver.HStoreFile.getReader(HStoreFile.java:413)
> at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:262)
> at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:1729)
> at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:469)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.instantiateRegion(HRegionServer.java:1004)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:976)
> at org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:901)
> at java.lang.Thread.run(Thread.java:619)
> 2008-10-31 18:33:41,272 DEBUG org.apache.hadoop.hbase.regionserver.HStore: loaded /hbasetrunk/-ROOT-/70236052/info/info/1689673398714621203, isReference=false, sequence id=1
> 2008-10-31 18:33:41,274 DEBUG org.apache.hadoop.hbase.regionserver.HStore: Loaded 1 file(s) in hstore 70236052/info, max sequence id 1
> 2008-10-31 18:33:41,296 INFO org.apache.hadoop.fs.FSInputChecker: java.io.IOException: Checksum ok was sent and should not be sent again
> at org.apache.hadoop.hdfs.DFSClient$BlockReader.read(DFSClient.java:1064)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.readBuffer(DFSClient.java:1613)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1663)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1590)
> at java.io.DataInputStream.readByte(DataInputStream.java:248)
> at org.apache.hadoop.io.WritableUtils.readVLong(WritableUtils.java:325)
> at org.apache.hadoop.io.WritableUtils.readVInt(WritableUtils.java:346)
> at org.apache.hadoop.io.Text.readString(Text.java:400)
> at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1471)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1428)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1417)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1412)
> at org.apache.hadoop.io.MapFile$Reader.open(MapFile.java:293)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$HbaseMapFile$HbaseReader.<init>(HStoreFile.java:632)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$BloomFilterMapFile$Reader.<init>(HStoreFile.java:714)
> at org.apache.hadoop.hbase.regionserver.HStoreFile.getReader(HStoreFile.java:413)
> at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:262)
> at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:1729)
> at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:469)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.instantiateRegion(HRegionServer.java:1004)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:976)
> at org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:901)
> at java.lang.Thread.run(Thread.java:619)
> 2008-10-31 18:33:41,298 INFO org.apache.hadoop.fs.FSInputChecker: java.io.IOException: Checksum ok was sent and should not be sent again
> at org.apache.hadoop.hdfs.DFSClient$BlockReader.read(DFSClient.java:1064)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.readBuffer(DFSClient.java:1613)
> at org.apache.hadoop.hdfs.DFSClient$DFSInputStream.read(DFSClient.java:1663)
> at java.io.DataInputStream.readFully(DataInputStream.java:178)
> at org.apache.hadoop.io.Text.readString(Text.java:402)
> at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1471)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1428)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1417)
> at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1412)
> at org.apache.hadoop.io.MapFile$Reader.open(MapFile.java:293)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$HbaseMapFile$HbaseReader.<init>(HStoreFile.java:632)
> at org.apache.hadoop.hbase.regionserver.HStoreFile$BloomFilterMapFile$Reader.<init>(HStoreFile.java:714)
> at org.apache.hadoop.hbase.regionserver.HStoreFile.getReader(HStoreFile.java:413)
> at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:262)
> at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:1729)
> at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:469)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.instantiateRegion(HRegionServer.java:1004)
> at org.apache.hadoop.hbase.regionserver.HRegionServer.openRegion(HRegionServer.java:976)
> at org.apache.hadoop.hbase.regionserver.HRegionServer$Worker.run(HRegionServer.java:901)
> at java.lang.Thread.run(Thread.java:619)
> {code}
> HBase is just opening a mapfile.
> Here is from svn blame and history:
> {code}
> 706798 hairong if (sentChecksumOk) {
> 706798 hairong // this should not happen; log the error for the debugging purpose
> 706798 hairong LOG.info(StringUtils.stringifyException(new IOException(
> 708724 rangadi "Checksum ok was sent and should not be sent again")));
> r708724 | rangadi | 2008-10-28 16:33:40 -0700 (Tue, 28 Oct 2008) | 1 line
> HADOOP-4499. DFSClient should invoke checksumOk only once. (Raghu Angadi)
> ------------------------------------------------------------------------
> r706798 | hairong | 2008-10-21 15:19:07 -0700 (Tue, 21 Oct 2008) | 1 line
> Merge -r 706795:706796 from trunk to main to move the change log of HADOOP-3914.
> {code}
> Code comment says this condition should never happen.
> Looking at code, IIUC, we get this exception if we reread inside a block.
> For now, I've marked it a blocker. HBase can't use 0.19.0 if this is the carry-on.
> I'll dig in some more.
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