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https://issues.apache.org/jira/browse/HBASE-12471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14214746#comment-14214746
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Nick Dimiduk commented on HBASE-12471:
--------------------------------------

Changes are looking good [~stack], +1 on this goodness. TestHCM does indeed 
timeout for me locally. jstack shows

{noformat}
"main" prio=5 tid=0x00007fd424001000 nid=0x1903 in Object.wait() 
[0x00000001023eb000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000007db7f5d50> (a 
java.util.concurrent.atomic.AtomicBoolean)
        at 
org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:168)
        - locked <0x00000007db7f5d50> (a 
java.util.concurrent.atomic.AtomicBoolean)
        at 
org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3641)
        at 
org.apache.hadoop.hbase.client.HBaseAdmin.createTableAsync(HBaseAdmin.java:621)
        at 
org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:503)
        at 
org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:435)
        at 
org.apache.hadoop.hbase.HBaseTestingUtility.createTable(HBaseTestingUtility.java:1203)
        at 
org.apache.hadoop.hbase.HBaseTestingUtility.createTable(HBaseTestingUtility.java:1235)
        at 
org.apache.hadoop.hbase.HBaseTestingUtility.createTable(HBaseTestingUtility.java:1154)
        at 
org.apache.hadoop.hbase.HBaseTestingUtility.createTable(HBaseTestingUtility.java:1128)
        at 
org.apache.hadoop.hbase.client.TestHCM.testConnectionManagement(TestHCM.java:783)
{noformat}

> Task 4. replace internal ConnectionManager#{delete,get}Connection use with 
> #close, #createConnection (0.98, 0.99)
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-12471
>                 URL: https://issues.apache.org/jira/browse/HBASE-12471
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: stack
>            Assignee: stack
>             Fix For: 2.0.0, 0.99.2
>
>         Attachments: 
> 0001-HBASE-12471-Task-4.-replace-internal-ConnectionManag.patch, 
> 124471v4.txt, 12471v2.txt, 12471v3.txt, 12471v6.txt, 12471v7.txt, 12471v9.txt
>
>
> Let me do this. A bunch of this was done in HBASE-12404 Let me see if can 
> find more.



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