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From "Andrew Mashenkov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (IGNITE-4142) Assertion in ClientImpl.updateMetrics()
Date Wed, 21 Dec 2016 13:36:58 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-4142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Mashenkov reassigned IGNITE-4142:
----------------------------------------

    Assignee: Andrew Mashenkov

> Assertion in ClientImpl.updateMetrics()
> ---------------------------------------
>
>                 Key: IGNITE-4142
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4142
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 1.7
>            Reporter: Valentin Kulichenko
>            Assignee: Andrew Mashenkov
>            Priority: Critical
>             Fix For: 2.0
>
>
> The problem was reported here: http://apache-ignite-users.70518.x6.nabble.com/AssertionError-td8321.html
> It looks like the reason is that {{TcpDiscoveryHeartbeatMessage.setCacheMetrics()}} method
does not put empty map in the {{cacheMetrics}} collection. As a result, it's possible that
there are cluster metrics for a node, but no cache metrics for this node - this leads to the
assertion in {{ClientImpl.updateMetrics}} (see below). We should remove the {{if}} in {{TcpDiscoveryHeartbeatMessage.setCacheMetrics()}}
or change {{ClientImpl.updateMetrics}} logic so that it does not fail in this case.
> We should also try to reproduce in a unit test to make sure this the only problematic
code here.
> {noformat}
> 10:39:38,355 SEVERE [TcpDiscoverySpi] Runtime error caught during grid runnable execution:
IgniteSpiThread [name=tcp-client-disco-msg-worker-#4%FooGrid%]: java.lang.AssertionError 
>         at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.updateMetrics(ClientImpl.java:2046)

>         at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.processHeartbeatMessage(ClientImpl.java:1926)

>         at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.processDiscoveryMessage(ClientImpl.java:1580)

>         at org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.body(ClientImpl.java:1499)

>         at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62) 
> {noformat}



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