Andrey Kuznetsov created IGNITE-9731:
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Summary: NPE is possible during WAL flushing
Key: IGNITE-9731
URL:
https://issues.apache.org/jira/browse/IGNITE-9731 Project: Ignite
Issue Type: Task
Reporter: Andrey Kuznetsov
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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