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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-10513) Java client stucks when connects to server with slow disk
Date Mon, 03 Dec 2018 16:48:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-10513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707509#comment-16707509
] 

ASF GitHub Bot commented on IGNITE-10513:
-----------------------------------------

GitHub user laz2 opened a pull request:

    https://github.com/apache/ignite/pull/5557

    IGNITE-10513 Fix NullPointerException on reconnect

    

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

    $ git pull https://github.com/laz2/ignite ignite-10513

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

    https://github.com/apache/ignite/pull/5557.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 #5557
    
----
commit 6d59979f40fc5307b229708d740768e39f996b1b
Author: Dmitry Lazurkin <dilaz03@...>
Date:   2018-12-03T16:46:10Z

    IGNITE-10513 Fix NullPointerException on reconnect

----


> Java client stucks when connects to server with slow disk
> ---------------------------------------------------------
>
>                 Key: IGNITE-10513
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10513
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 2.6
>            Reporter: Dmitry Lazurkin
>            Priority: Major
>         Attachments: ignite-client.log
>
>
> For emulating slow disk add _sleep_ to partitions cycle in _GridCacheDatabaseSharedManager#restorePartitionStates_:
> {noformat}
> //...
>             for (int i = 0; i < grp.affinity().partitions(); i++) {
>                  try {
>                      log.error("Wait");
>                      Thread.sleep(10000);
>                  } catch (InterruptedException e) {
>                      e.printStackTrace();
>                  }
> //...
> {noformat}
> My server has 1024 partitions.
> Steps to reproduce:
>  * Start server
>  * Start client
>  * On client wait message "Join cluster while cluster state transition is in progress,
waiting when transition finish."
>  * Kill server
>  * On client wait repeatable java.net.ConnectException: Connection refused (Connection
refused)
>  * Start server (I have 100% chance to reproduce issue on my computer)



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