我运行HBase集群并在每10秒查看日志文件中此异常:
2015-12-30 20:18:10,160 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher: Caught exception java.util.NoSuchElementException
at java.util.concurrent.ConcurrentHashMap$ValueIterator.next(ConcurrentHashMap.java:3436)
at java.util.Collections.min(Collections.java:596)
at org.apache.hadoop.hbase.regionserver.HRegion.getEarliestFlushTimeForAllStores(HRegion.java:1572)
at org.apache.hadoop.hbase.regionserver.HRegion.shouldFlush(HRegion.java:1904)
at org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher.chore(HRegionServer.java:1509)
at org.apache.hadoop.hbase.Chore.run(Chore.java:87)
at java.lang.Thread.run(Thread.java:745)
也许有人知道它是什么意思?看起来像HBase bug .
你能指点我修复bug吗?
HBase版本为1.0.0-cdh5.4.8
谢谢 .
1 回答
PeriodicMemstoreFlusher将遇到以下异常 . 如果表中没有族或者lastStoreFlushTimeMap中没有条目,则会为族填充lastStoreFlushTimeMap .
希望这可以帮助!!