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https://issues.apache.org/jira/browse/IGNITE-20047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Steshin updated IGNITE-20047:
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Attachment: failureNPE.log
> NPE in defragmentation / checkpoint
> -----------------------------------
>
> Key: IGNITE-20047
> URL: https://issues.apache.org/jira/browse/IGNITE-20047
> Project: Ignite
> Issue Type: Bug
> Reporter: Vladimir Steshin
> Priority: Major
> Attachments: failureNPE.log, npe_failure2.log
>
>
> NPE can occur in
> {code:java}
> /** {@inheritDoc} */
> @Override public void updateEvictedPages(int delta) {
> A.ensure(delta > 0, "param must be positive");
> if (evictedPagesCounter() != null)
> evictedPagesCounter().addAndGet(delta);
> }
> {code}
> because evictedPagesCounter is already null. `clearCounters()` is invoked in
> _markCheckpointEnd()_. But it is possible that the counter is being updated.
> Probably, happens with the _DelayedDirtyPageStoreWrite_ /
> _DelayedDirtyPageStoreWrite_
> Found in the defragmentation process. But it seems to be a common problem.
> Logs attached.
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