Aleksandr Chesnokov created IGNITE-27874:
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Summary: ConcurrentModificationException in
TcpDiscoveryMetricsUpdateMessage serialization during
PerformanceStatisticsSelfTest
Key: IGNITE-27874
URL: https://issues.apache.org/jira/browse/IGNITE-27874
Project: Ignite
Issue Type: Bug
Reporter: Aleksandr Chesnokov
During repeated execution of
PerformanceStatisticsSelfTest#testCacheOperation[clientType=server]
an error appears approximately once every ~50 runs.
The test still passes, but the following ERROR is logged from the discovery
worker thread:
{noformat}
[ERROR][tcp-disco-client-message-worker-performancestatistics.PerformanceStatisticsSelfTest1][TestTcpDiscoverySpi]
Runtime error caught during grid runnable execution: GridWorker
[name=tcp-disco-client-message-worker-[de1fdd43 127.0.0.1:50480],
igniteInstanceName=performancestatistics.PerformanceStatisticsSelfTest1,
finished=false, isCancelled=false, heartbeatTs=1771311197189,
hashCode=2115418067, interrupted=true,
runner=tcp-disco-client-message-worker-[de1fdd43
127.0.0.1:50480]-#48%performancestatistics.PerformanceStatisticsSelfTest1%-#1205%performancestatistics.PerformanceStatisticsSelfTest1%]
java.util.ConcurrentModificationException at
java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1511) at
java.base/java.util.HashMap$EntryIterator.next(HashMap.java:1544) at
java.base/java.util.HashMap$EntryIterator.next(HashMap.java:1542) at
org.apache.ignite.internal.direct.stream.DirectByteBufferStream.writeMap(DirectByteBufferStream.java:1031)
at
org.apache.ignite.internal.direct.DirectMessageWriter.writeMap(DirectMessageWriter.java:359)
at
org.apache.ignite.internal.codegen.TcpDiscoveryMetricsUpdateMessageSerializer.writeTo(TcpDiscoveryMetricsUpdateMessageSerializer.java:82)
at
org.apache.ignite.spi.discovery.tcp.TcpDiscoveryIoSession.serializeMessage(TcpDiscoveryIoSession.java:284)
at
org.apache.ignite.spi.discovery.tcp.TcpDiscoveryIoSession.serializeMessage(TcpDiscoveryIoSession.java:254)
at
org.apache.ignite.spi.discovery.tcp.ServerImpl$ClientMessageWorker.processMessage(ServerImpl.java:7676)
at
org.apache.ignite.spi.discovery.tcp.ServerImpl$ClientMessageWorker.processMessage(ServerImpl.java:7591)
at
org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorker.body(ServerImpl.java:7973)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:125)
at
org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorkerThread.body(ServerImpl.java:7904)
at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:58)
{noformat}
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