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https://issues.apache.org/jira/browse/IGNITE-777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Evdokimov updated IGNITE-777:
------------------------------------
Assignee: Yakov Zhdanov (was: Sergey Evdokimov)
> 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: Yakov Zhdanov
> 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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