[ https://issues.apache.org/jira/browse/IGNITE-6496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vyacheslav Koptilin updated IGNITE-6496: ---------------------------------------- Fix Version/s: 2.4 > Client node does not reconnect to server node when the latter is restarted. > --------------------------------------------------------------------------- > > Key: IGNITE-6496 > URL: https://issues.apache.org/jira/browse/IGNITE-6496 > Project: Ignite > Issue Type: Bug > Components: data structures > Affects Versions: 1.9 > Reporter: Vyacheslav Koptilin > Assignee: Vyacheslav Koptilin > Fix For: 2.4 > > Attachments: ExampleNodeStartup.java > > > The following scenario may result in deadlock on the client node: > - start server node and one client > - client node invokes IgniteQueue#take() method, that requires acquiring > both GridCacheGateway#readLock and GridCacheQueueAdapter#readSem. > - client node disconnects from the cluster for some reason (for example, > server node was stopped) > in that case, GridCacheQueueAdapter does not release readSem and, > therefore, GridCacheGateway#readLock is also not released. > - 'tcp-client-disco-msg-worker' hangs due to unable acquiring > GridCacheGateway.writeLock > "tcp-client-disco-msg-worker-#10%datastructures.GridCacheQueueClientReconnect1%" > #101 prio=5 os_prio=0 tid=0x0000000021634000 nid=0x49a8 waiting on condition > [0x000000003a61e000] > java.lang.Thread.State: WAITING (parking) > at sun.misc.Unsafe.park(Native Method) > parking to wait for <0x000000076fa988f8> (a > java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199) > at > java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:943) > at > org.apache.ignite.internal.util.StripedCompositeReadWriteLock$WriteLock.lock0(StripedCompositeReadWriteLock.java:154) > at > org.apache.ignite.internal.util.StripedCompositeReadWriteLock$WriteLock.lock(StripedCompositeReadWriteLock.java:123) > at > org.apache.ignite.internal.processors.cache.GridCacheGateway.writeLock(GridCacheGateway.java:278) > at > org.apache.ignite.internal.IgniteKernal.onDisconnected(IgniteKernal.java:3873) > at > org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery0(GridDiscoveryManager.java:768) > at > org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$4.onDiscovery(GridDiscoveryManager.java:573) > locked <0x000000076f9f4048> (a java.lang.Object) > at > org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.notifyDiscovery(ClientImpl.java:2415) > at > org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.notifyDiscovery(ClientImpl.java:2394) > at > org.apache.ignite.spi.discovery.tcp.ClientImpl$MessageWorker.body(ClientImpl.java:1710) > at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62) -- This message was sent by Atlassian JIRA (v6.4.14#64029)