EOFException opening region (HBASE-550 redux)
---------------------------------------------
Key: HBASE-645
URL: https://issues.apache.org/jira/browse/HBASE-645
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
Fix For: 0.1.3, 0.2.0
HBASE-550 dealt w/ EOFExceptions out of write-ahead-logs. On our cluster, I'm
seeing EOFEs out of mapfiles. In at least one case its because index is empty.
{code}
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/3485795994529467150/data
<r 3> 31268 2008-05-27 03:40 rw-r--r-- hadoop supergroup
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/3485795994529467150/index
<r 3> 246 2008-05-27 03:40 rw-r--r-- hadoop supergroup
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/4707873234615510003/data
<r 3> 259979236 2008-05-26 22:23 rw-r--r-- hadoop
supergroup
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/4707873234615510003/index
<r 3> 36689 2008-05-26 22:23 rw-r--r-- hadoop supergroup
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/7019459271582770846/data
<r 3> 31268 2008-05-26 22:54 rw-r--r-- hadoop supergroup
/hbase/aa0-005-2.u.powerset.com/enwiki_080312/342351854/page/mapfiles/7019459271582770846/index
<r 3> 0 2008-05-26 22:54 rw-r--r-- hadoop supergroup
{code}
Here's the exception:
{code}
2008-05-27 18:05:08,289 DEBUG org.apache.hadoop.hbase.HStore: loaded
/hbase/XX.XX.XX.XX/enwiki_080312_meta/2102573201/alternate_title/info/8844820574762678369,
isReference=false
2008-05-27 18:05:08,302 DEBUG org.apache.hadoop.hbase.HStore: Loaded 4 file(s)
in hstore 2102573201/alternate_title, max sequence id 1081299433
2008-05-27 18:05:08,315 ERROR org.apache.hadoop.hbase.HRegionServer: error
opening region enwiki_080312_meta,R-aGPvbJJ3r82Tp0_Eg2a-==,1207951923868
java.io.EOFException
at java.io.DataInputStream.readFully(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1434)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1411)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1400)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1395)
at org.apache.hadoop.io.MapFile$Reader.<init>(MapFile.java:254)
at org.apache.hadoop.io.MapFile$Reader.<init>(MapFile.java:242)
at
org.apache.hadoop.hbase.HStoreFile$HbaseMapFile$HbaseReader.<init>(HStoreFile.java:554)
at
org.apache.hadoop.hbase.HStoreFile$BloomFilterMapFile$Reader.<init>(HStoreFile.java:609)
at org.apache.hadoop.hbase.HStoreFile.getReader(HStoreFile.java:382)
at org.apache.hadoop.hbase.HStore.<init>(HStore.java:849)
at org.apache.hadoop.hbase.HRegion.<init>(HRegion.java:431)
at
org.apache.hadoop.hbase.HRegionServer.openRegion(HRegionServer.java:1258)
at
org.apache.hadoop.hbase.HRegionServer$Worker.run(HRegionServer.java:1204)
at java.lang.Thread.run(Unknown Source)
{code}
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