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https://issues.apache.org/jira/browse/IGNITE-12787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061654#comment-17061654
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Ivan Pavlukhin commented on IGNITE-12787:
-----------------------------------------
[~amashenkov], is a resolved **openjdk** ticket a sufficient proof?
https://bugs.openjdk.java.net/browse/JDK-6427854
Here is a jdk8_b01 code
https://github.com/openjdk/jdk/blob/d2ac7a107e4af38df029fc19e37df25a4831514e/jdk/src/share/classes/sun/nio/ch/Util.java#L451
_volatile_ property seems to be the fix we are looking for.
> Remove obsolete Selector.open workaround code from GridNioServer
> ----------------------------------------------------------------
>
> Key: IGNITE-12787
> URL: https://issues.apache.org/jira/browse/IGNITE-12787
> Project: Ignite
> Issue Type: Task
> Components: general
> Reporter: Ivan Pavlukhin
> Assignee: Ivan Pavlukhin
> Priority: Major
> Fix For: 2.9
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There is a code in {{GridNioServer}} aimed to workaround an old bug in JDK
> 1.5 which was fixed in 1.7.
> {code}
> static {
> // This is a workaround for JDK bug (NPE in Selector.open()).
> // http://bugs.sun.com/view_bug.do?bug_id=6427854
> try {
> Selector.open().close();
> }
> catch (IOException ignored) {
> // No-op.
> }
> }
> {code}
> Currently Java 8 is a minimal supported version. So, the workaround code can
> be removed.
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