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Posted to issues@hbase.apache.org by "Hudson (Jira)" <ji...@apache.org> on 2019/12/14 11:15:00 UTC
[jira] [Commented] (HBASE-22441) BucketCache NullPointerException
in cacheBlock
[ https://issues.apache.org/jira/browse/HBASE-22441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16996320#comment-16996320 ]
Hudson commented on HBASE-22441:
--------------------------------
Results for branch branch-1
[build #1168 on builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1168/]: (x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1168//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk7 checks{color}
-- For more information [see jdk7 report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1168//JDK7_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) report|https://builds.apache.org/job/HBase%20Nightly/job/branch-1/1168//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> 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: Lijin Bin
> Assignee: Lijin Bin
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0, 2.1.5, 1.6.0, 1.4.13
>
> 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}
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