[
https://issues.apache.org/jira/browse/HBASE-9519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766854#comment-13766854
]
stack commented on HBASE-9519:
------------------------------
bq. Keeping log would be nice.
[~ted_yu] What kind of an 'old lady' statement is that to make ('nice')? Who
are you to tell folks how they should do log retention? Statements like the
above only pisses folks off (me for example, and likely the person this
statement was directed at).
> fix NPE in EncodedScannerV2.getFirstKeyInBlock()
> ------------------------------------------------
>
> Key: HBASE-9519
> URL: https://issues.apache.org/jira/browse/HBASE-9519
> Project: HBase
> Issue Type: Bug
> Components: HFile
> Affects Versions: 0.98.0, 0.96.1
> Reporter: Liang Xie
> Assignee: Liang Xie
> Attachments: HBASE-9519.txt, HBASE-9519-v2.txt
>
>
> we observed a reproducable NPE while scanning special table under special
> condition in our IntegratedTesting scenario, it was fixed by appling the
> attached patch.
> org.apache.hadoop.hbase.client.ScannerCallable@67ee75a5, java.io.IOException:
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1186)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:1175)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2391)
> at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.hbase.ipc.SecureRpcEngine$Server.call(SecureRpcEngine.java:456)
> at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2$EncodedScannerV2.getFirstKeyInBlock(HFileReaderV2.java:1071)
> at
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekBefore(HFileReaderV2.java:547)
> at
> org.apache.hadoop.hbase.io.HalfStoreFileReader$1.seekBefore(HalfStoreFileReader.java:159)
> at
> org.apache.hadoop.hbase.io.HalfStoreFileReader$1.seekBefore(HalfStoreFileReader.java:142)
> at
> org.apache.hadoop.hbase.io.HalfStoreFileReader.getLastKey(HalfStoreFileReader.java:267)
> at
> org.apache.hadoop.hbase.regionserver.StoreFile$Reader.passesKeyRangeFilter(StoreFile.java:1543)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.shouldUseScanner(StoreFileScanner.java:375)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.selectScannersFrom(StoreScanner.java:298)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.getScannersNoCompaction(StoreScanner.java:262)
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:149)
> at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:2122)
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:3460)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1645)
> at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1635)
> at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1610)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2377)
> ... 5 more
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
