Andrey Kuznetsov created IGNITE-9731: ----------------------------------------
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 -- This message was sent by Atlassian JIRA (v7.6.3#76005)