[GitHub] storm pull request #2336: STORM-2750：fix HBaseSecurityUtil double_checked ...

[xiaoyong03]

GitHub user xiaoyong03 opened a pull request:

    https://github.com/apache/storm/pull/2336

    STORM-2750：fix HBaseSecurityUtil double_checked locking

    update HBaseSecurityUtil singleton to fix double_checked locking
    See url link for details: 
http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/xiaoyong03/storm master

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/storm/pull/2336.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2336
    
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commit 225f99af97e1baceba5563e9dc2e19b373c6cd5c
Author: xiaoyong03 <fuhuaiyong...@126.com>
Date:   2017-09-20T08:44:24Z

     fix HBaseSecurityUtil    double_checked,  
    
    update HBaseSecurityUtil singleton to fix double_checked,  
http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html

commit 66cccdb4e825e347d60d04f89b0cef26ac0384c6
Author: xiaoyong03 <fuhuaiyong...@126.com>
Date:   2017-09-21T06:24:03Z

    Update HBaseSecurityUtil.java

commit 1a1d42f2b11c17cd78ae9d350642b7fca66be260
Author: xiaoyong03 <fuhuaiyong...@126.com>
Date:   2017-09-21T06:36:31Z

    STORM-2750：fix double_checked locking
    
    update HBaseSecurityUtil singleton to fix double_checked locking
    See url link for details: 
http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html

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