[jira] [Resolved] (IGNITE-3412) Client instance hangs on close

["Alexei Scherbakov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-3412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexei Scherbakov resolved IGNITE-3412.
---------------------------------------
    Resolution: Not A Bug

The issue is related to a bug in logback-classic-1.1.3

In short, logback consumes InerruptedException without re-enabling interrupted state.

See for details http://jira.qos.ch/browse/LOGBACK-910

> Client instance hangs on close
> ------------------------------
>
>                 Key: IGNITE-3412
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3412
>             Project: Ignite
>          Issue Type: Bug
>    Affects Versions: 1.6
>            Reporter: Alexei Scherbakov
>            Assignee: Alexei Scherbakov
>             Fix For: 1.8
>
>         Attachments: SocketsTest.zip, threadDump.txt
>
>
> In some cases calling close on Ignite client instance will lead to deadlock.
> The deadlock happens because of the following.
> Socket writer is waiting for new messages.
> {code}
> "tcp-client-disco-sock-writer-#2%null%" #100 prio=6 os_prio=0 tid=0x000000005fad2800 nid=0x13bc in Object.wait() [0x0000000067d0e000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Object.wait(Object.java:502)
> 	at org.apache.ignite.spi.discovery.tcp.ClientImpl$SocketWriter.body(ClientImpl.java:1051)
> 	- locked <0x00000000863da2f8> (a java.lang.Object)
> 	at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
> {code}
> The closing process is hanging because TcpDiscoverySPI waits while this writer is terminated
> {code}
> "Thread-6" #29 prio=6 os_prio=0 tid=0x000000005a740000 nid=0x17e8 in Object.wait() [0x000000006077e000]
>    java.lang.Thread.State: WAITING (on object monitor)
> 	at java.lang.Object.wait(Native Method)
> 	at java.lang.Thread.join(Thread.java:1245)
> 	- locked <0x00000000863da010> (a org.apache.ignite.spi.discovery.tcp.ClientImpl$SocketWriter)
> 	at java.lang.Thread.join(Thread.java:1319)
> 	at org.apache.ignite.internal.util.IgniteUtils.join(IgniteUtils.java:4476)
> 	at org.apache.ignite.spi.discovery.tcp.ClientImpl.spiStop(ClientImpl.java:295)
> 	at org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi.spiStop(TcpDiscoverySpi.java:1905)
> 	at org.apache.ignite.internal.managers.GridManagerAdapter.stopSpi(GridManagerAdapter.java:325)
> 	at org.apache.ignite.internal.managers.discovery.GridDiscoveryManager.stop(GridDiscoveryManager.java:1336)
> 	at org.apache.ignite.internal.IgniteKernal.stop0(IgniteKernal.java:1940)
> 	at org.apache.ignite.internal.IgniteKernal.stop(IgniteKernal.java:1812)
> 	at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop0(IgnitionEx.java:2248)
> 	- locked <0x00000000858e77a8> (a org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance)
> 	at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop(IgnitionEx.java:2211)
> 	at org.apache.ignite.internal.IgnitionEx.stop(IgnitionEx.java:322)
> 	at org.apache.ignite.Ignition.stop(Ignition.java:224)
> 	at org.apache.ignite.internal.IgniteKernal.close(IgniteKernal.java:2921)
> 	at ru.sbrf.ggcod.loader.job.MainLoader.run(MainLoader.java:123)
> 	at java.lang.Thread.run(Thread.java:745)
> {code}
> There is some raise that led to the situation when the writer is hanging on {{Object.wait}} method ignoring interrupted flag that was set at some point of time.
> The full thread dump is attached.



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