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https://issues.apache.org/jira/browse/HBASE-1634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12730712#action_12730712
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Haijun Cao commented on HBASE-1634:
-----------------------------------
Stack,
I run the 1638 script to purge historian from info, and info from historian
(yes, there is info in historian as well). This fix the NPE problem in this
ticket(1634).
But I still can't count pass region 0001192603, so I try to run hbase>
deleteall '.META.', "TestTable,0001192603" command, but it seem to cause a lot
of errors in the regionserver logs. I try to restart the hbase cluster, but
can't with following error:
Trying to contact region server 10.10.30.148:60020 for region .META.,,1, row
'', but failed after 3 attempts.
Exceptions:
java.io.IOException: java.io.IOException: java.lang.IllegalArgumentException:
No 44 in <$�����TestTable,0001192603info��"w?V?�"w?V?>, length=10, offset=20
at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:829)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:819)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1853)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:643)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:913)
Caused by: java.lang.IllegalArgumentException: No 44 in
<$�����TestTable,0001192603info��"w?V?�"w?V?>, length=10, offset=20
at
org.apache.hadoop.hbase.KeyValue.getRequiredDelimiterInReverse(KeyValue.java:1226)
at
org.apache.hadoop.hbase.KeyValue$MetaKeyComparator.compareRows(KeyValue.java:1665)
at
org.apache.hadoop.hbase.KeyValue$KeyComparator.compare(KeyValue.java:1702)
at
org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1325)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:133)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:124)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:114)
at java.util.PriorityQueue.siftUpUsingComparator(PriorityQueue.java:594)
at java.util.PriorityQueue.siftUp(PriorityQueue.java:572)
at java.util.PriorityQueue.offer(PriorityQueue.java:274)
at java.util.PriorityQueue.add(PriorityQueue.java:251)
at
org.apache.hadoop.hbase.regionserver.KeyValueHeap.<init>(KeyValueHeap.java:59)
at
org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:67)
at
org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:1390)
at
org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.<init>(HRegion.java:1687)
at
org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1077)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1849)
> UI and shell list throw NPE
> ---------------------------
>
> Key: HBASE-1634
> URL: https://issues.apache.org/jira/browse/HBASE-1634
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.20.0
>
>
> I have a .META. from bryan duxbury that has a row with only historian data.
> List does whole row, not just info, so if only historian entries, a row is
> returned. We then try and get a regioninfo from this row and NPE.
> As to why this happens, jd suggests that since we moved to async historian
> updates, row may have been deleted already. Confirm.
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