Michael Stack created HBASE-23684:
-------------------------------------
Summary: NPE HFilesOutputSink
Key: HBASE-23684
URL: https://issues.apache.org/jira/browse/HBASE-23684
Project: HBase
Issue Type: Bug
Components: wal
Affects Versions: 2.3.0
Reporter: Michael Stack
Ran into this after enabling hfile splitter:
{code}
2020-01-13 17:37:08,204 INFO org.apache.hadoop.hbase.wal.OutputSink: 3 split
writer threads finished
2020-01-13 17:37:08,233 INFO org.apache.hadoop.hbase.wal.WALSplitter:
Processed 1007 edits across 0 regions cost 284 ms; edits skipped=76;
WAL=hdfs://nameservice1/hbase/genie/WALs/hbasedn101.example.org,16020,1578934806382-splitting/hbasedn101.example.org%2C16020%2C1578934806382.1578937008832,
size=128.5 M, length=134708720, corrupted=false, progress failed=true
2020-01-13 17:37:08,234 WARN
org.apache.hadoop.hbase.regionserver.SplitLogWorker: log splitting of
WALs/hbasedn101.example.org,16020,1578934806382-splitting/hbasedn101.example.org%2C16020%2C1578934806382.1578937008832
failed, returning error
java.io.IOException: java.lang.NullPointerException
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.writeRemainingEntryBuffers(BoundedRecoveredHFilesOutputSink.java:173)
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.close(BoundedRecoveredHFilesOutputSink.java:140)
at
org.apache.hadoop.hbase.wal.WALSplitter.splitLogFile(WALSplitter.java:339)
at
org.apache.hadoop.hbase.wal.WALSplitter.splitLogFile(WALSplitter.java:181)
at
org.apache.hadoop.hbase.regionserver.SplitLogWorker.splitLog(SplitLogWorker.java:105)
at
org.apache.hadoop.hbase.regionserver.SplitLogWorker.lambda$new$0(SplitLogWorker.java:84)
at
org.apache.hadoop.hbase.regionserver.handler.WALSplitterHandler.process(WALSplitterHandler.java:70)
at
org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.configContextForNonMetaWriter(BoundedRecoveredHFilesOutputSink.java:225)
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.createRecoveredHFileWriter(BoundedRecoveredHFilesOutputSink.java:213)
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.append(BoundedRecoveredHFilesOutputSink.java:117)
at
org.apache.hadoop.hbase.wal.BoundedRecoveredHFilesOutputSink.lambda$writeRemainingEntryBuffers$3(BoundedRecoveredHFilesOutputSink.java:155)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
{code}
It is a bit odd because log says there were zero regions. Not sure what that
was about.
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