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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-990) NoSuchElementException in flushSomeRegions
Date Tue, 18 Nov 2008 07:11:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-990:
------------------------

    Attachment: 990.patch

Here is something for you to try Rong-en.  Should 'cure' the exception.  Next though is to
figure why though all regions have flushed, you still do not have enough free memory.

> NoSuchElementException in flushSomeRegions
> ------------------------------------------
>
>                 Key: HBASE-990
>                 URL: https://issues.apache.org/jira/browse/HBASE-990
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.19.0
>
>         Attachments: 990.patch
>
>
> From Billy
> {code}
> 2008-11-10 18:14:53,157 INFO org.apache.hadoop.ipc.Server: IPC Server handler 69 on 60020,
call batchUpdates([B@68e97c, [Lorg.apache.hadoop.hbase.io.BatchUpdate;@1b8e8d2) from 192.168.1.201:37077:
error: java.io.IOException: java.util.NoSuchElementException
> java.io.IOException: java.util.NoSuchElementException
>        at java.util.TreeMap.key(TreeMap.java:1206)
>        at java.util.TreeMap.firstKey(TreeMap.java:267)
>        at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.flushSomeRegions(MemcacheFlusher.java:227)
>        at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.reclaimMemcacheMemory(MemcacheFlusher.java:213)
>        at org.apache.hadoop.hbase.regionserver.HRegionServer.batchUpdates(HRegionServer.java:1227)
>        at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at org.apache.hadoop.hbase.ipc.HbaseRPC$Server.call(HbaseRPC.java:634)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:888) 
> {code}

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