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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2017/07/10 07:10:00 UTC
[jira] [Updated] (IGNITE-2671) Node cannot join topology when cache
lock is held.
[ https://issues.apache.org/jira/browse/IGNITE-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vladimir Ozerov updated IGNITE-2671:
------------------------------------
Fix Version/s: (was: 2.1)
2.2
> Node cannot join topology when cache lock is held.
> --------------------------------------------------
>
> Key: IGNITE-2671
> URL: https://issues.apache.org/jira/browse/IGNITE-2671
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 1.5.0.final
> Reporter: Vladimir Ozerov
> Labels: community
> Fix For: 2.2
>
>
> The problem is originally reported by Mario: http://apache-ignite-users.70518.x6.nabble.com/Semaphore-blocking-on-tryAcquire-while-holding-a-cache-lock-td3031.html
> *Description*
> When a lock is held on a cache key, another node cannot join topology. It hangs somewhere on partition exchange future.
> *Steps to reproduce*
> Run the following code and observe that ">>> STARTED 2" is never printed because we cannot leave Ignition.start() method.
> {code}
> public static void main(String[] args) {
> // Start the first node.
> Ignite ignite = Ignition.start(new IgniteConfiguration().setGridName("1"));
> System.out.println(">>> STARTED 1");
> // Create cache and obtain a lock on it.
> CacheConfiguration<String, String> ccfg =
> new CacheConfiguration<String, String>().setAtomicityMode(CacheAtomicityMode.TRANSACTIONAL);
> ignite.getOrCreateCache(ccfg).lock("key").lock();
> System.out.println(">>> LOCKED");
> Ignition.start(new IgniteConfiguration().setGridName("2"));
> System.out.println(">>> STARTED 2");
> }
> {code}
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