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https://issues.apache.org/jira/browse/HBASE-4054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061756#comment-13061756
 ] 

Ted Yu commented on HBASE-4054:
-------------------------------

There were tests broken by this JIRA.
For TestRemoteTable:
{noformat}
Jul 7, 2011 11:06:01 PM com.sun.jersey.spi.container.ContainerResponse 
mapMappableContainerException
SEVERE: The RuntimeException could not be mapped to a response, re-throwing to 
the HTTP container

java.lang.ClassCastException: 
org.apache.hadoop.hbase.client.HTablePool$PooledHTable cannot be cast to 
org.apache.hadoop.hbase.client.HTable
        at org.apache.hadoop.hbase.rest.RowResource.update(RowResource.java:162)
        at org.apache.hadoop.hbase.rest.RowResource.put(RowResource.java:289)
{noformat}

And TestTableResource.testTableInfoText():
{noformat}
    2011-07-07 17:58:45,139 ERROR [318977678@qtp-1052953772-1] 
log.Slf4jLog(87): /TestTableResource/regions
    java.lang.ClassCastException: 
org.apache.hadoop.hbase.client.HTablePool$PooledHTable cannot be cast to 
org.apache.hadoop.hbase.client.HTable
        at 
org.apache.hadoop.hbase.rest.RegionsResource.getTableRegions(RegionsResource.java:75)
        at 
org.apache.hadoop.hbase.rest.RegionsResource.get(RegionsResource.java:91)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
{noformat}

The attached addendum fixes the above two tests.

> Usability improvement to HTablePool
> -----------------------------------
>
>                 Key: HBASE-4054
>                 URL: https://issues.apache.org/jira/browse/HBASE-4054
>             Project: HBase
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 0.90.3
>            Reporter: Daniel Iancu
>            Priority: Minor
>         Attachments: 
> HBASE-4054_Usability_improvement_to_HTablePool-trunk.patch, 
> HBASE-4054_Usability_improvement_to_HTablePool.patch
>
>
> To improve the usability of the HTablePool the implementation should not rely 
> on the user returning the connection to the pool but rather do that 
> transparently when user closes the HTableImplementation it got.
>  
> To do that a HTableImplementation proxy implementation should be returned 
> that wraps a HTable object and holds a reference to the pool. When the client 
> close the proxy it will actually automatically return the wrapped HTable back 
> in pool to be reused. In this case the method HTablePool.putTable don't need 
> to be public

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