Vyacheslav Daradur created IGNITE-10899: -------------------------------------------
Summary: Service Grid: disconnecting during node stop may lead to deadlock Key: IGNITE-10899 URL: https://issues.apache.org/jira/browse/IGNITE-10899 Project: Ignite Issue Type: Task Components: managed services Affects Versions: 2.7 Reporter: Vyacheslav Daradur Assignee: Vyacheslav Daradur Fix For: 2.8 In a rare case, when {{onDisconneced}} may be called during node stopping deadlock may occur because of {{ServiceDeploymentManage#stopProcessong}} blocks busyLock and not release it intended. The issue found on TeamCity Zookeeper suite with the following stack trace: {CODE} disco-notifier-worker-#569118%client4%" #609288 prio=5 os_prio=0 tid=0x00007f905b440800 nid=0x3f6fbd sleeping[0x00007f9383efd000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.ignite.internal.util.GridSpinReadWriteLock.writeLock(GridSpinReadWriteLock.java:204) at org.apache.ignite.internal.util.GridSpinBusyLock.block(GridSpinBusyLock.java:76) at org.apache.ignite.internal.processors.service.ServiceDeploymentManager.stopProcessing(ServiceDeploymentManager.java:137) at org.apache.ignite.internal.processors.service.IgniteServiceProcessor.stopProcessor(IgniteServiceProcessor.java:261) at org.apache.ignite.internal.processors.service.IgniteServiceProcessor.onDisconnected(IgniteServiceProcessor.java:429) at org.apache.ignite.internal.IgniteKernal.onDisconnected(IgniteKernal.java:4010) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery0(GridDiscoveryManager.java:819) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.lambda$onDiscovery$0(GridDiscoveryManager.java:602) - locked <0x00000000f7ecdfa0> (a java.lang.Object) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4$$Lambda$25/2087171109.run(Unknown Source) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body0(GridDiscoveryManager.java:2696) at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$DiscoveryMessageNotifierWorker.body(GridDiscoveryManager.java:2734) at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120) at java.lang.Thread.run(Thread.java:748) {CODE} -- This message was sent by Atlassian JIRA (v7.6.3#76005)