STORM-2750：fix HBaseSecurityUtil double_checked locking #2333
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update HBaseSecurityUtil singleton to fix double_checked, http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html
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Nice find. Before we can merge you should create an issue for this at https://issues.apache.org/jira and then rename the PR and commit message to contain the issue number. |
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Sep 21, 2017
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STORM-2750：fix HBaseSecurityUtil double_checked locking
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update HBaseSecurityUtil singleton to fix double_checked, http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html