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. -- This message was sent by Atlassian Jira (v8.3.4#803005)