Getting NPE sometimes with SkipScanAfterManualSplitIT test case.
java.lang.RuntimeException: java.lang.NullPointerException at org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:133) at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:175) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) Caused by: java.lang.NullPointerException at org.apache.phoenix.schema.stat.StatisticsCollector.stop(StatisticsCollector.java:220) at org.apache.hadoop.hbase.coprocessor.CoprocessorHost$Environment.shutdown(CoprocessorHost.java:624) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment.shutdown(RegionCoprocessorHost.java:119) at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.shutdown(CoprocessorHost.java:263) at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postClose(RegionCoprocessorHost.java:344) at org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1144) at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1024) at org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:119)