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Posted to issues@zookeeper.apache.org by "Zili Chen (Jira)" <ji...@apache.org> on 2020/03/05 02:17:00 UTC
[jira] [Updated] (ZOOKEEPER-3497) Make
org.apache.zookeeper.jmx.MBeanRegistry a standard singleton
[ https://issues.apache.org/jira/browse/ZOOKEEPER-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zili Chen updated ZOOKEEPER-3497:
---------------------------------
Summary: Make org.apache.zookeeper.jmx.MBeanRegistry a standard singleton (was: org.apache.zookeeper.jmx.MBeanRegistry 单例 构造函数没有私有化)
> Make org.apache.zookeeper.jmx.MBeanRegistry a standard singleton
> ----------------------------------------------------------------
>
> Key: ZOOKEEPER-3497
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3497
> Project: ZooKeeper
> Issue Type: Improvement
> Components: jmx
> Affects Versions: 3.6.0
> Reporter: jwhao
> Priority: Minor
>
> org.apache.zookeeper.jmx.MBeanRegistry
> 此类使用单例模式实现，项目中其他模块也没有手动new此类，但是此类的构造函数没有私有化
> public MBeanRegistry () {
> try {
> mBeanServer = ManagementFactory.getPlatformMBeanServer();
> } catch (Error e) {
> // Account for running within IKVM and create a new MBeanServer
> // if the PlatformMBeanServer does not exist.
> mBeanServer = MBeanServerFactory.createMBeanServer();
> }
> }
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