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https://issues.apache.org/jira/browse/ROCKETMQ-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16038058#comment-16038058
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ASF GitHub Bot commented on ROCKETMQ-39:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-rocketmq/pull/34
> Duplicated codes in both filtersrv and namesrv modules
> ------------------------------------------------------
>
> Key: ROCKETMQ-39
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-39
> Project: Apache RocketMQ
> Issue Type: Improvement
> Components: rocketmq-namesrv
> Reporter: Wu Sheng
> Assignee: Xiaorui Wang
> Priority: Minor
> Fix For: 4.1.0-incubating
>
>
> In FiltersrvStartup.class and NamesrvStartup.class, exist the exact same code
> about add jvm shutdown hook, and execute somthing on shutting down.
> Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
> private volatile boolean hasShutdown = false;
> private AtomicInteger shutdownTimes = new AtomicInteger(0);
> @Override
> public void run() {
> synchronized (this) {
> log.info("shutdown hook was invoked, " +
> this.shutdownTimes.incrementAndGet());
> if (!this.hasShutdown) {
> this.hasShutdown = true;
> long begineTime = System.currentTimeMillis();
> controller.shutdown();
> long consumingTimeTotal =
> System.currentTimeMillis() - begineTime;
> log.info("shutdown hook over, consuming time
> total(ms): " + consumingTimeTotal);
> }
> }
> }
> }, "ShutdownHook"));
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