[IGNITE-11293] NPE in TcpCommunicationSpi

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8
• Labels: MakeTeamcityGreenAgain
• Assignee: Ivan Bessonov
• Reporter: Ivan Bessonov
• Created: 11/Feb/19 15:03
• Updated: 12/Feb/19 13:02
• Resolved: 12/Feb/19 12:59

Description

Sometimes this exception is happening during "stopAllGrids" method execution in tests:

java.lang.NullPointerException
at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage0(TcpCommunicationSpi.java:2787)
at org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi.sendMessage(TcpCommunicationSpi.java:2717)
at org.apache.ignite.internal.managers.communication.GridIoManager.send(GridIoManager.java:1648)
at org.apache.ignite.internal.managers.communication.GridIoManager.sendOrderedMessage(GridIoManager.java:1757)
at org.apache.ignite.internal.processors.cache.GridCacheIoManager.sendOrderedMessage(GridCacheIoManager.java:1303)
at org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionDemander.lambda$null$1(GridDhtPartitionDemander.java:505)
at org.apache.ignite.internal.util.IgniteUtils.wrapThreadLoader(IgniteUtils.java:6892)
at org.apache.ignite.internal.processors.closure.GridClosureProcessor$1.body(GridClosureProcessor.java:827)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

Reason is the interruption thrown from TcpCommunicationSpi#reserveClient, SPI is already in invalid state at this point so "log" and some other fields are nulls.

Issue Links

• links to: GitHub Pull Request #6081
• links to: TC All