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https://issues.apache.org/jira/browse/HBASE-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13555385#comment-13555385
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Lars Hofhansl commented on HBASE-7578:
--------------------------------------

It turns out that method called here (waitForMetaServerConnectionDefault) is 
only called from tests.
So I simply removed it. In turn we no longer need to keep the defaultTimeout in 
CatalogTracker... Also removed. All callers that call 
waitForMetaServerConnection(long) pass a non-zero value, so per the previous 
comments we'll recheck at least every 50ms.

On top of that, some of the callers set the timeout to Long.MAX_VALUE, which in 
{{ystem.currentTimeMillis() + timeout}} would cause an overflow.

So this was a test only problem:
# the test created a CatalogTracker with default timeout set to 0
# it called waitForMetaServerConnectionDefault, which potentially wait forever 
if the time is 0

Patch upcoming soon. Testing it now.
                
> TestCatalogTracker hangs occasionally
> -------------------------------------
>
>                 Key: HBASE-7578
>                 URL: https://issues.apache.org/jira/browse/HBASE-7578
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>             Fix For: 0.94.5
>
>         Attachments: 7578-bandaid.txt, 7578-jstack.txt
>
>


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