My env: HDP 2.6.3, multinode, not kerberized
I have realize in /home/log/ambari-metrics-collector/hbase-root-master-analitik01.log
I see the following warning repeatedly
WARN [pool-40-thread-1] io.FSDataInputStreamWrapper: Failed to invoke 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream . So there may be a TCP socket connection left open in CLOSE_WAIT state.
java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.hbase.io.FSDataInputStreamWrapper.unbuffer(FSDataInputStreamWrapper.java:263)
at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderImpl.unbufferStream(HFileBlock.java:1788)
at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.unbufferStream(HFileReaderV2.java:1403)
at org.apache.hadoop.hbase.io.hfile.AbstractHFileReader$Scanner.close(AbstractHFileReader.java:343)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.close(StoreFileScanner.java:252)
at org.apache.hadoop.hbase.regionserver.StoreFileScanner.reseek(StoreFileScanner.java:196)
at org.apache.hadoop.hbase.regionserver.NonLazyKeyValueScanner.doRealSeek(NonLazyKeyValueScanner.java:55)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.generalizedSeek(KeyValueHeap.java:312)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.requestSeek(KeyValueHeap.java:268)
at org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:815)
at org.apache.hadoop.hbase.regionserver.StoreScanner.seekToNextRow(StoreScanner.java:792)
at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:621)
at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:147)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.populateResult(HRegion.java:5876)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:6027)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:5814)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5791)
at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:5778)
at org.apache.phoenix.coprocessor.MetaDataRegionObserver$BuildIndexScheduleTask.run(MetaDataRegionObserver.java:289)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.UnsupportedOperationException: this stream does not support unbuffering.
at org.apache.hadoop.fs.FSDataInputStream.unbuffer(FSDataInputStream.java:233)
... 29 more
How to stop it?
