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https://issues.apache.org/jira/browse/IGNITE-10238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16685111#comment-16685111
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Alexey Goncharuk commented on IGNITE-10238:
-------------------------------------------
Example of such a hang:
https://ci.ignite.apache.org/viewLog.html?buildId=2296734&tab=buildResultsDiv&buildTypeId=IgniteTests24Java8_ClientNodes
> Intermittent Client Nodes suite hang
> ------------------------------------
>
> Key: IGNITE-10238
> URL: https://issues.apache.org/jira/browse/IGNITE-10238
> Project: Ignite
> Issue Type: Test
> Reporter: Alexey Goncharuk
> Priority: Critical
> Labels: MakeTeamcityGreenAgain
> Fix For: 2.8
>
>
> There are occasional hangs of Client Nodes suite in master. A quick peek at
> the thread dumps reveals an interesting deadlock (only relevant parts of the
> thread dump are left):
> {code}
> "disco-notifier-worker-#634%internal.IgniteClientReconnectApiExceptionTest0%"
> #791 prio=5 os_prio=0 tid=0x00007f990c12d800 nid=0x11b9 waiting on condition
> [0x00007f991a0eb000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:178)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:141)
> at
> org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl.metadata(CacheObjectBinaryProcessorImpl.java:656)
> at
> org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl$1.metadata(CacheObjectBinaryProcessorImpl.java:206)
> at
> org.apache.ignite.internal.binary.BinaryContext.metadata(BinaryContext.java:1293)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.getOrCreateSchema(BinaryReaderExImpl.java:2007)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.<init>(BinaryReaderExImpl.java:286)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.<init>(BinaryReaderExImpl.java:185)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.readField(BinaryReaderExImpl.java:1984)
> at
> org.apache.ignite.internal.binary.BinaryFieldAccessor$DefaultFinalClassAccessor.read0(BinaryFieldAccessor.java:703)
> at
> org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:188)
> at
> org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:874)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1764)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1716)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.readField(BinaryReaderExImpl.java:1984)
> at
> org.apache.ignite.internal.binary.BinaryFieldAccessor$DefaultFinalClassAccessor.read0(BinaryFieldAccessor.java:703)
> at
> org.apache.ignite.internal.binary.BinaryFieldAccessor.read(BinaryFieldAccessor.java:188)
> at
> org.apache.ignite.internal.binary.BinaryClassDescriptor.read(BinaryClassDescriptor.java:874)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize0(BinaryReaderExImpl.java:1764)
> at
> org.apache.ignite.internal.binary.BinaryReaderExImpl.deserialize(BinaryReaderExImpl.java:1716)
> at
> org.apache.ignite.internal.binary.GridBinaryMarshaller.deserialize(GridBinaryMarshaller.java:313)
> at
> org.apache.ignite.internal.binary.BinaryMarshaller.unmarshal0(BinaryMarshaller.java:101)
> at
> org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.unmarshal(AbstractNodeNameAwareMarshaller.java:81)
> at
> org.apache.ignite.internal.util.IgniteUtils.unmarshal(IgniteUtils.java:10131)
> at
> org.apache.ignite.internal.util.IgniteUtils.unmarshal(IgniteUtils.java:10160)
> at
> org.apache.ignite.internal.GridEventConsumeHandler.p2pUnmarshal(GridEventConsumeHandler.java:390)
> at
> org.apache.ignite.internal.processors.continuous.GridContinuousProcessor.processStartRequest(GridContinuousProcessor.java:1362)
> at
> org.apache.ignite.internal.processors.continuous.GridContinuousProcessor.access$400(GridContinuousProcessor.java:111)
> at
> org.apache.ignite.internal.processors.continuous.GridContinuousProcessor$2.onCustomEvent(GridContinuousProcessor.java:203)
> at
> org.apache.ignite.internal.processors.continuous.GridContinuousProcessor$2.onCustomEvent(GridContinuousProcessor.java:194)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery0(GridDiscoveryManager.java:725)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.lambda$onDiscovery$0(GridDiscoveryManager.java:602)
> - locked <0x00000007b62859b8> (a java.lang.Object)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4$$Lambda$17/432384581.run(Unknown
> Source)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body0(GridDiscoveryManager.java:2665)
> at
> org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body(GridDiscoveryManager.java:2703)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> at java.lang.Thread.run(Thread.java:748)
> "async-callable-runner-1" #876 prio=5 os_prio=0 tid=0x00007f990c26a000
> nid=0x120b waiting on condition [0x00007f991a2ed000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:178)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:141)
> at
> org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl.addMeta(CacheObjectBinaryProcessorImpl.java:495)
> at
> org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl$1.addMeta(CacheObjectBinaryProcessorImpl.java:194)
> at
> org.apache.ignite.internal.binary.BinaryContext.updateMetadata(BinaryContext.java:1332)
> at
> org.apache.ignite.internal.binary.BinaryClassDescriptor.write(BinaryClassDescriptor.java:777)
> at
> org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal0(BinaryWriterExImpl.java:223)
> at
> org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal(BinaryWriterExImpl.java:164)
> at
> org.apache.ignite.internal.binary.BinaryWriterExImpl.marshal(BinaryWriterExImpl.java:151)
> at
> org.apache.ignite.internal.binary.GridBinaryMarshaller.marshal(GridBinaryMarshaller.java:254)
> at
> org.apache.ignite.internal.binary.BinaryMarshaller.marshal0(BinaryMarshaller.java:84)
> at
> org.apache.ignite.marshaller.AbstractNodeNameAwareMarshaller.marshal(AbstractNodeNameAwareMarshaller.java:57)
> at
> org.apache.ignite.internal.util.IgniteUtils.marshal(IgniteUtils.java:10213)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.sendRequest(GridTaskWorker.java:1387)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.processMappedJobs(GridTaskWorker.java:666)
> at
> org.apache.ignite.internal.processors.task.GridTaskWorker.body(GridTaskWorker.java:538)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> at
> org.apache.ignite.internal.processors.task.GridTaskProcessor.startTask(GridTaskProcessor.java:809)
> at
> org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:476)
> at
> org.apache.ignite.internal.processors.closure.GridClosureProcessor.callAsync(GridClosureProcessor.java:449)
> at
> org.apache.ignite.internal.processors.closure.GridClosureProcessor.callAsync(GridClosureProcessor.java:420)
> at
> org.apache.ignite.internal.IgniteComputeImpl.broadcastAsync0(IgniteComputeImpl.java:635)
> at
> org.apache.ignite.internal.IgniteComputeImpl.broadcast(IgniteComputeImpl.java:611)
> at
> org.apache.ignite.internal.IgniteClientReconnectApiExceptionTest$26.apply(IgniteClientReconnectApiExceptionTest.java:578)
> at
> org.apache.ignite.internal.IgniteClientReconnectApiExceptionTest$26.apply(IgniteClientReconnectApiExceptionTest.java:574)
> at
> org.apache.ignite.internal.IgniteClientReconnectApiExceptionTest$36.call(IgniteClientReconnectApiExceptionTest.java:853)
> at
> org.apache.ignite.internal.IgniteClientReconnectApiExceptionTest$36.call(IgniteClientReconnectApiExceptionTest.java:851)
> at
> org.apache.ignite.testframework.GridTestUtils.lambda$runAsync$2(GridTestUtils.java:1003)
> at
> org.apache.ignite.testframework.GridTestUtils$$Lambda$133/962953099.run(Unknown
> Source)
> at
> org.apache.ignite.testframework.GridTestUtils$7.call(GridTestUtils.java:1299)
> at
> org.apache.ignite.testframework.GridTestThread.run(GridTestThread.java:84)
> "tcp-disco-msg-worker-#88%internal.IgniteClientReconnectApiExceptionTest0%"
> #792 prio=10 os_prio=0 tid=0x00007f990c130800 nid=0x11ba waiting on condition
> [0x00007f997fdfc000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get0(GridFutureAdapter.java:178)
> at
> org.apache.ignite.internal.util.future.GridFutureAdapter.get(GridFutureAdapter.java:141)
> at
> org.apache.ignite.internal.util.future.IgniteFutureImpl.get(IgniteFutureImpl.java:134)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.notifyDiscoveryListener(ServerImpl.java:5648)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processCustomMessage(ServerImpl.java:5455)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2836)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2610)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorker.body(ServerImpl.java:7186)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.body(ServerImpl.java:2699)
> at
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> at
> org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorkerThread.body(ServerImpl.java:7117)
> at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:61)
> {code}
> Need to investigate what it is that we are trying to deserialize in the
> discovery thread. From the binary metadata workflow we should be able to
> deserialize the value right away.
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