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Date: Fri, 8 May 2015 14:58:59 +0000 (UTC)
From: "Sergey Evdokimov (JIRA)" <jira@apache.org>
To: issues@ignite.incubator.apache.org
Message-ID: <JIRA.12822443.1429562288000.49721.1431097139848@Atlassian.JIRA>
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 <JIRA.12822443.1429562288357@arcas>
Subject: [jira] [Closed] (IGNITE-777) ConcurrentModificationException in
 TcpDiscoverySpi
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     [ https://issues.apache.org/jira/browse/IGNITE-777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Evdokimov closed IGNITE-777.
-----------------------------------

> ConcurrentModificationException in TcpDiscoverySpi
> --------------------------------------------------
>
>                 Key: IGNITE-777
>                 URL: https://issues.apache.org/jira/browse/IGNITE-777
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: sprint-3
>            Reporter: Sergey Evdokimov
>            Assignee: Sergey Evdokimov
>             Fix For: sprint-5
>
>         Attachments: ignite-777.patch
>
>
> ConcurrentModificationException occurs if topology has one server node and one client. TcpDiscoveryHeartbeatMessage processed in the RingMessageWorker two times. On the first processing RingMessageWorker adds metrics of server node to the message and sends message to ClientMessageWorker. On the second processing RingMessageWorker remove metrics, at same time ClientMessageWorker writes message to socket.
> {quote}
> [18:07:23,975]ERROR[tcp-disco-client-message-worker-#1113%cache.GridCacheTcpClientDiscoveryMultiThreadedTest0][TcpDiscoverySpi] Runtime error caught during grid runnable execution: IgniteSpiThread [name=tcp-disco-client-message-worker-#1113%cache.GridCacheTcpClientDiscoveryMultiThreadedTest0]
> java.util.ConcurrentModificationException
> 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:922)
> 	at java.util.HashMap$EntryIterator.next(HashMap.java:962)
> 	at java.util.HashMap$EntryIterator.next(HashMap.java:960)
> 	at java.util.HashMap.writeObject(HashMap.java:1127)
> 	at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
> 	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1495)
> 	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
> 	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
> 	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
> 	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
> 	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
> 	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
> 	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
> 	at org.apache.ignite.marshaller.jdk.JdkMarshaller.marshal(JdkMarshaller.java:73)
> 	at org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpiAdapter.writeToSocket(TcpDiscoverySpiAdapter.java:460)
> 	at org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpiAdapter$MessageWorkerAdapter.writeToSocket(TcpDiscoverySpiAdapter.java:1044)
> 	at org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi$ClientMessageWorker.processMessage(TcpDiscoverySpi.java:5221)
> {quote}


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