NPE in HFileReaderV2.close during major compaction when hfile.block.cache.size
is set to 0
-------------------------------------------------------------------------------------------
Key: HBASE-4673
URL: https://issues.apache.org/jira/browse/HBASE-4673
Project: HBase
Issue Type: Bug
Affects Versions: 0.94.0
Reporter: Lars Hofhansl
Priority: Minor
On a test system got this exception when hfile.block.cache.size is set to 0:
java.lang.NullPointerException
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.close(HFileReaderV2.java:321)
at
org.apache.hadoop.hbase.regionserver.StoreFile$Reader.close(StoreFile.java:1065)
at
org.apache.hadoop.hbase.regionserver.StoreFile.closeReader(StoreFile.java:539)
at
org.apache.hadoop.hbase.regionserver.StoreFile.deleteReader(StoreFile.java:549)
at
org.apache.hadoop.hbase.regionserver.Store.completeCompaction(Store.java:1314)
at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:686)
at org.apache.hadoop.hbase.regionserver.HRegion.compact(HRegion.java:1016)
at
org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest.run(CompactionRequest.java:178)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
Minor issue as nobody in their right mind with have hfile.block.cache.size=0
Looks like this is due to HBASE-4422
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