[jira] [Updated] (HBASE-22441) BucketCache NullPointerException in cacheBlock

["Guanghao Zhang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-22441?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guanghao Zhang updated HBASE-22441:
-----------------------------------
    Fix Version/s:     (was: 2.2.1)
                   2.2.0

> BucketCache NullPointerException in cacheBlock
> ----------------------------------------------
>
>                 Key: HBASE-22441
>                 URL: https://issues.apache.org/jira/browse/HBASE-22441
>             Project: HBase
>          Issue Type: Bug
>          Components: BucketCache
>    Affects Versions: 2.2.0, 2.0.5, 2.1.4
>            Reporter: binlijin
>            Assignee: binlijin
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0, 2.3.0, 2.1.5
>
>         Attachments: HBASE-22441-master-v1.patch
>
>
> There is no synchronized in the check in cacheBlock, and wen see NullPointerException in production cluster.
> {code}
> 2019-05-17 18:17:21,299 ERROR [RpcServer.default.FPBQ.Fifo.handler=20,queue=7,port=16020] ipc.RpcServer: Unexpected throwable object
> java.lang.NullPointerException
>         at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.returnBlock(BucketCache.java:1665)
>         at org.apache.hadoop.hbase.io.hfile.BlockCacheUtil.shouldReplaceExistingCacheBlock(BlockCacheUtil.java:250)
>         at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.cacheBlockWithWait(BucketCache.java:426)
>         at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.cacheBlock(BucketCache.java:412)
>         at org.apache.hadoop.hbase.io.hfile.CombinedBlockCache.cacheBlock(CombinedBlockCache.java:67)
>         at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.lambda$readBlock$2(HFileReaderImpl.java:1501)
>         at java.util.Optional.ifPresent(Optional.java:159)
>         at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl.readBlock(HFileReaderImpl.java:1499)
>         at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$CellBasedKeyBlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:340)
>         at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.seekToDataBlock(HFileBlockIndex.java:577)
>         at org.apache.hadoop.hbase.io.hfile.HFileReaderImpl$HFileScannerImpl.seekBefore(HFileReaderImpl.java:869)
>         at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekToPreviousRow(StoreFileScanner.java:515)
>         at org.apache.hadoop.hbase.regionserver.ReversedKeyValueHeap.next(ReversedKeyValueHeap.java:135)
>         at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:644)
>         at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153)
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:6612)
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:6776)
>         at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:6549)
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3183)
>         at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3428)
>         at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:42002)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:132)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:324)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:304)
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)