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Posted to issues@ignite.apache.org by "Anton Kalashnikov (JIRA)" <ji...@apache.org> on 2018/09/28 08:37:00 UTC

[jira] [Assigned] (IGNITE-9731) NPE is possible during WAL flushing

     [ https://issues.apache.org/jira/browse/IGNITE-9731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Kalashnikov reassigned IGNITE-9731:
-----------------------------------------

    Assignee: Anton Kalashnikov

> NPE is possible during WAL flushing
> -----------------------------------
>
>                 Key: IGNITE-9731
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9731
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Andrey Kuznetsov
>            Assignee: Anton Kalashnikov
>            Priority: Critical
>             Fix For: 2.7
>
>         Attachments: WalRolloverRecordLoggingTest.java
>
>
> {{FileWriteAheadLogManager.flush()}} seems to be not thread-safe anymore in master branch. The test attached produces the following NPE:
> {noformat}
> java.lang.NullPointerException
> 	at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileHandle.getSegmentId(FileWriteAheadLogManager.java:2371)
> 	at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileWriteHandle.needFsync(FileWriteAheadLogManager.java:2642)
> 	at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileWriteHandle.fsync(FileWriteAheadLogManager.java:2668)
> 	at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager$FileWriteHandle.access$1900(FileWriteAheadLogManager.java:2445)
> 	at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.flush(FileWriteAheadLogManager.java:866)
> 	at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.markCheckpointBegin(GridCacheDatabaseSharedManager.java:3633)
> 	at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.doCheckpoint(GridCacheDatabaseSharedManager.java:3126)
> 	at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager$Checkpointer.body(GridCacheDatabaseSharedManager.java:3025)
> 	at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
> 	at java.lang.Thread.run(Thread.java:748)
> {noformat}
> This could be possibly brought by commit [1].
> [1] https://github.com/apache/ignite/commit/2f72fe758d4256c4eb4610e5922ad3d174b43dc5



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